Mass General Imaging News & Events

Read the latest imaging news including issues of our clinical newsletters and find information about upcoming educational events for physicians.


Currently Browsing:2019

Currently Browsing:2018

  • Breast Cancer Awareness 2018: Mass General Events

    Monday, October 1, 2018  Mass General

    In honor of Breast Cancer Awareness Month in October, Mass General Imaging is hosting educational events to support women’s breast health. Learn more about this year's events at Mass General locations in Boston, Waltham, Danvers, Revere and Chelsea.

  • Improving the Safety of Vena Caval Thrombectomy in Kidney Cancer with Tumor Thrombus Team Approach

    Wednesday, July 25, 2018  Mass General

    Complete removal of a tumor thrombus resulting from venous tumor invasion is essential for eliminating the cancer in patients with advanced renal cell carcinoma (RCC). A multispecialty tumor thrombus team within an integrated practice can improve the safety of this intricate and extensive procedure.

  • 2018 Russell Museum Lecture Series

    Friday, April 6, 2018  Mass General

    The Massachusetts General Hospital Paul S. Russell, MD Museum of Medical History and Innovation invites you to attend our lecture series

  • Q&A: Safety and Gadolinium

    Friday, February 9, 2018  Mass General

    In a recent article in the journal Radiology, a team of researchers in the Department of Radiology at Massachusetts General Hospital reported on their development of a potential alternative to gadolinium-based contrast agents (GBCAs) for magnetic resonance imaging (MRI).

Currently Browsing:2017

Currently Browsing:2016

  • CT results impact clinical decision making in primary care

    Tuesday, December 20, 2016  Mass General

    A recent study in Radiology found that CT results impact clinical decision making and substantially increase diagnostic confidence among primary care physicians (PCPs).

  • Mass General Department of Radiology recognized at RSNA

    Wednesday, December 14, 2016  Research

    Mass General radiologists and researchers received numerous awards and honors presented at the 102nd annual meeting of the Radiological Society of North America (RSNA).

  • STOP-CA: Testing the effect of statins on cardiac injury after chemotherapy

    Friday, December 9, 2016  Research

    Dr. Neilan is the PI on a multi-center randomized, placebo-controlled clinical trial testing whether statins prevent the cardiotoxicity after anthracyclines among patients with non-Hodgkin’s Lymphoma (NHL).

  • Department of Radiology to present at RSNA 2016

    Tuesday, November 22, 2016  Research

    Radiologists and researchers from the Mass General Department of Radiology will present more than 150 papers, posters and courses at RSNA in Chicago next week.

  • Vice chair comments on vertebroplasty debate

    Thursday, October 27, 2016  Mass General

    In advance of the annual meeting of the North American Spine Society this week in Boston, neurointerventional radiologist and department vice chair Joshua A. Hirsch, MD talks about the landmark VAPOUR trial on vertebroplasty.

  • MRI results impact thoracic surgery

    Thursday, August 18, 2016  Research

    A recent study in Radiology found that the results of nonvascular thoracic MRI substantially affect the clinical decision making of thoracic surgeons.

  • Once again, named among America's best hospitals

    Tuesday, August 2, 2016  Mass General

    Massachusetts General Hospital is once again named among the top hospitals in America by U.S. News & World Report and is the only hospital to be highly rated across all 16 specialties.

  • Making MRI safe and comfortable for kids

    Monday, June 13, 2016  Mass General

    In a recent paper in Pediatric Radiology on minimizing sedation in pediatric MRI, Chief of Pediatric Imaging Michael S. Gee, MD, PhD and chief radiology resident Camilo Jaimes, MD examine strategies to help make MRI safe and comfortable for kids.

  • Study shows carotid-artery stenting can prevent stroke in patients with no symptoms

    Friday, March 11, 2016  Clinical

    A recent Mass General study showed that a procedure called carotid-artery stenting is just as safe and effective in preventing stroke in patients with no symptoms as the standard surgical approach.

  • National panel finalizes breast cancer screening recommendation

    Tuesday, January 12, 2016  Clinical

    The U.S. Preventive Services Task Force (USPSTF) issues final recommendation on breast cancer screening for women at average risk.

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Currently Browsing:2012

  • Digital 3-D mammograms show promise

    Monday, December 3, 2012  Mass General

    Device companies race to improve breast cancer screening, but the effectiveness of new methods is still being studied.

  • DOC (The Robot) Retires

    Friday, July 6, 2012  Mass General

    After twelve years of dedicated courier service to the Image Service Center, DOC (the Robot) retires. Doc and his co-workers celebrated with a small party this summer and reminisced about his years on the job.

  • Evolution of Coronary Computed Tomography Radiation Dose Reduction at a Tertiary Referral Center

    Monday, June 18, 2012  Clinical

    A large study to be published in the August issue of the American Journal of Medicine reports a record radiation dose reduction of 74.8% to MGH Cardiac CT patients during the past 6 years.

  • Safety: Children and CT Scans

    Monday, June 11, 2012  Mass General

    Dushyant Sahani, MD, Director of CT at Massachusetts General Hospital Imaging, answers parents’ questions on the June 2012 study in The Lancet that found that children who get several CT scans have a slightly higher chance of brain cancer and leukemia in later life.

  • In General 05.25.12

    Friday, May 25, 2012  Mass General

    In General awards and honors

  • Dr. Sanjay Saini, spoke at this year's Fulbright Seminar: Lab to Market

    Wednesday, May 23, 2012  Mass General

    From Lab to Market are a series of annual Fulbright enrichment seminars hosted by the U.S. Department of State’s Bureau of Educational and Cultural Affairs (ECA) for students in science and technology fields from developing countries as part of its flagship Fulbright program.

  • New test offers hope for easier colon screening

    Tuesday, May 15, 2012  Clinical

    A new method of performing virtual colonoscopy using a CT scan - which does not involve the dreaded laxative preparation to clear the colon the night before - may be about as effective as a standard colonoscopy at identifying the large polyps most likely to become cancerous, according to research conducted at Massachusetts General Hospital, Brigham and Women’s Hospital, and elsewhere.

  • Oh, Joy! The Prospect Of Laxative-Free Colonoscopies

    Tuesday, May 15, 2012  Clinical

    The point isn’t just to make life easier for people getting colonoscopies. It’s to help persuade them to get the test in the first place.

  • New laxative-free colonoscopy shows promise

    Tuesday, May 15, 2012  Clinical

    If you're turning 50 or you're already there, colorectal screening is in your future. Although you would only have to be screened every 10 years (if no polyps are found), the prospect of getting prepped for procedure is a big turn-off for many. You've probably heard some of the horror stories about the pre-screening laxatives, the taste, the amount, the ensuing "cleansing."

  • The Laxative-Free 'Virtual Colonoscopy'

    Tuesday, May 15, 2012  Clinical

    Eliminating the Need for Bowel Prep Could Spur More People to Get Screened for Colon Cancer.

  • In General 05.11.12

    Friday, May 11, 2012  Mass General

    In General awards and honors

  • 3D colon imaging technology wins Microsoft award

    Friday, March 30, 2012  Mass General

    The MGH is among the 2012 recipients of the Microsoft Health Users Group Innovation Award in the “Health Collaboration” category.

  • ACC: CCTA can improve chest pain diagnoses without increased costs

    Thursday, March 29, 2012  Mass General

    Using cardiac CT angiography can improve chest pain diagnoses without increased costs. Data presented by Udo Hoffmann, MD, MPH

  • Q&A: Taking on the Challenges of Imaging Prostate Cancer – Diagnostic Imaging

    Wednesday, March 14, 2012  Mass General

    Prostate cancer is the second most common form of cancer in men, yet diagnosing this condition still presents a challenge. Physicians have traditionally used the prostate-specific antigen (PSA) blood test to screen for prostate cancer. However, this diagnostic test may produce unclear results.

  • Remembering Haiti Two Years After Tragedy

    Thursday, January 26, 2012  Mass General

    In the days following the devastating 7.0 magnitude earthquake that decimated the island nation of Haiti on January 14, 2010, volunteers from the MGH were en route to assist the response. Two years later, members of the MGH community gathered to commemorate, remember, and reflect on the experience that forever impacted an untold number of lives.

  • Experts’ Tips to Optimize Radiation Dose in Pediatric CT

    Monday, January 9, 2012  Clinical

    Experts’ Tips to Optimize Radiation Dose in Pediatric CT – coverage of study led by MGH physician Mannudeep Kalra

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Currently Browsing:2009

  • Q&A: Look closer at CT scan cancer risks

    Monday, December 21, 2009  Clinical

    In many cases, the benefits of these tests—in finding cancers, aneurysms or blood clots—far outweigh the relatively low risks of radiation.

  • Breast cancer screening: A discussion with an expert

    Thursday, December 3, 2009  Mass General

    New guidelines on breast cancer screening set off an intense debate within the medical community regarding the value of early breast cancer detection. Daniel Kopans, MD, a pioneer in breast cancer detection, diagnosis and screening, and senior radiologist in the Breast Imaging Division of the Mass General Hospital Cancer Center, weighs in.

  • Experts question motives of mammogram guidelines

    Monday, November 16, 2009  Clinical

    Critics of the guidelines, issued on Monday by the US Services Task Force, an independent panel sponsored by the US Agency for Healthcare Quality, say the new guidelines are a step backward and will lead to more cancer deaths.

  • Hospitals monitor radiation exposure

    Tuesday, October 6, 2009  Clinical

    A small number of hospitals and outpatient imaging centers across the United States automatically transmit radiation data to a patient's record whenever certain scans are done.

  • Imaging technology reveals mummy embalming techniques

    Thursday, September 3, 2009  Research

    Neurologists and radiologists at Massachusetts General Hospital took part in the analysis of an Egyptian Middle Kingdom mummy for Boston's Museum of Fine Arts.

  • Beyond the biopsy: A tiny monitor for cancer

    Saturday, August 29, 2009  Research

    The magnetic nanoparticle technology used in the device was developed by Ralph Weissleder, a professor at Harvard Medical School and director of the Center for Systems Biology at Massachusetts General Hospital in Boston.

  • Study looks at radiation exposure

    Wednesday, August 26, 2009  Research

    As many as two-thirds of adults underwent a medical test in the last few years that exposed them to radiation and in some cases, a potentially higher risk of cancer, a study in five areas of the US suggests.

  • Patients, doctors say vertebroplasty works

    Monday, August 24, 2009  Clinical

    Recent studies have challenged the effectiveness of a popular kind of back surgery, yet many patients, and their doctors, say vertebroplasty works

  • MRI may help diagnose, treat diabetes

    Thursday, August 6, 2009  Research

    Researchers at Massachusetts General Hospital and Harvard Medical School said MRI has the ability to evaluate beta cell mass, a major factor of insulin secretion.

  • Studies question using cement for spine injuries

    Wednesday, August 5, 2009  Clinical

    Two new studies cast serious doubt on a widely used and expensive treatment for painful fractures in the spine.

  • Rapid TB detector employs MRI principles

    Tuesday, August 4, 2009  Research

    Researchers at Massachusetts General Hospital and Harvard University have demonstrated that a handheld device can be used to count as few as 20 bacteria in a sputum sample in a half hour.

  • Researchers uncover spleen's role

    Monday, August 3, 2009  Research

    Researchers from Massachusetts General Hospital and Harvard Medical School describe studies showing that the spleen acts as a reservoir for huge numbers of immune cells called monocytes, which it releases in the event of serious trauma.

  • CT colonography removing barriers to colon testing

    Friday, May 8, 2009  Clinical

    Editorial by Mass General Imaging radiologist Michael Zalis, MD.

  • 'Brain bucket' improves MRI brain scans, could impact Alzheimer's fight

    Monday, May 4, 2009  Research

    Developed and implemented at Massachusetts General Hospital, the device is a helmet featuring a myriad of sensors and coils connected an MRI machine.

  • The value of CT scans

    Thursday, March 12, 2009  Clinical

    There is no reason to create obtrusive coverage policies that will block access to these lifesaving tools that are truly transforming care for millions of patients.

  • MGH Durant fellows

    Friday, February 27, 2009  Mass General

    MGH Hotline 2.27.09 As a true humanitarian, Thomas S. Durant, MD, spent his life bringing hope to some of the bleakest parts of the world. In honor of his service and compassion, the MGH Durant Fellowship in Refugee Medicine helps health care professionals bring their skills to those in critical need around the globe.

Currently Browsing:2008

  • The scan that didn’t scan

    Monday, October 13, 2008  Clinical

    All MRIs are not created equal: Look for expertise among those administering the exams and among the radiologists reading them.


  • Celebrating 200 Years: 1811 - 2011

    Celebrating 200 Years: 1811 - 2011

    Since 1811, people have counted on Mass General for answers, innovations and medical leadership. As our third century dawns, we remain ready to serve.

  • 3D mammography: breast tomosynthesis

    Breast Tomosynthesis

    Pioneered at Mass General Imaging, breast tomosynthesis provides a clear view through overlapping layers of breast tissue in order to improve breast-cancer detection while reducing callbacks.

  • CT (computed tomography) slide show

    Images of Imaging: CT

    Get an inside look at CT exams at Mass General Imaging. Learn about CT technology, the professionals who guide patients through the exam process, and the specialty-trained radiologists who interpret every scan.

  • MRI (magnetic resonance imaging)

    Images of Imaging: MRI

    Learn about MRI exams at Mass General Imaging. See what MRI scanners and images look like, understand MRI safety, and learn about the specialty-trained radiologists who interpret every scan.

  • Nuclear medicine scan

    Images of Imaging: Nuclear Medicine

    Learn about nuclear medicine exams at Mass General Imaging. See what nuclear medicine scanners and images look like, what to expect from the exam process, and the key role played by our specialty-trained radiologists.

  • The Webster Center for Advanced Research and Education in Radiation

    Webster Center takes on radiation-dose reduction

    Dr. James H. Thrall, Department of Radiology chairman emeritus, discusses The Webster Center for Advanced Research and Education in Radiation, a unique research effort dedicated to reducing radiation dose for every exam Mass General Imaging performs.

  • Radiation reduction: Our ongoing objective

    Radiation reduction: Our ongoing commitment

    As CT (computed tomography) technology has transformed the practice of medicine, Mass General Imaging has dedicated itself to making sure each exam exposes the patient to the lowest achievable amount of radiation. Department of Radiology Chairman Emeritus James H. Thrall, MD, discusses our decade-long commitment—and our success—regarding this issue.

  • Decision tools support radiation-reduction efforts

    Decision tools support radiation-reduction efforts

    One effective way to reduce radiation exposure is to avoid unnecessary exams. That's why Mass General Imaging has been a leader in developing software tools that guide referring physicians by not only making sure the selected exam matches the patient's needs but also suggesting radiation-free alternatives when appropriate.

  • Imaging specialists, focused on you

    Imaging specialists, focused on you

    Each radiologist at Mass General Imaging is a specialist in a particular area of the body. Department of Radiology Chairman Emeritus James H. Thrall, MD, explains how patients benefit from the additional specialty training our physicians have completed.

  • Imaging technology enables non-surgical treatments

    Imaging technology enables non-surgical treatments

    Department of Radiology Chairman Emeritus James H. Thrall, MD, explains how the ability to see deep inside the body has driven the development of minimally invasive methods of treatment—a trend in which Mass General Imaging has played a key role.

  • Delva talks about why she chose UFE

    Delva talks about why she chose UFE

    A patient whose life was regularly disrupted by fibroids, Delva Campbell decided to take action and opted for UFE (uterine fibroid embolization).

  • Melissa talks about struggling with fibroids

    Melissa talks about struggling with fibroids

    Melissa Leverett King is an active mom and teacher who lived with limiting discomfort and pain until she got treated for fibroids with UFE (uterine fibroid embolization).

  • Vascular Surgery: Bilateral grafts

    Vascular: Bilateral grafts from the chest to the pelvis

    Volume rendered 3D rotation to demonstrate bilateral grafts from the subclavian arteries to the iliacarteries.

  • GI / GU: Bilary Tree

    GI / GU: CT bilary tract

    3D CT MIP rotation to demonstrate the biliary tract for pre-surgical planning of potential liver donor patients.

  • Chest with broken ribs 2

    Chest: Chest with broken ribs

    3D volume rendered model of the chest wall, scapulae removed to demonstrate broken ribs.

  • Vascular: CT Aortic Dissection

    Vascular: CT angiography (CTA) for aortic dissection

    3D Volume rendered rotation to demonstrate an aortic dissection.

  • Vascular: CT Pulmonary Vein with stents

    Vascular: CT pulmonary veins with stents

    3D volume rendered lateral rotation of the pulmonary veins used in the treatment planning of atrial fibrillation.

  • Vascular: CT Pulmonary Vein with stents 2

    Vascular: CT pulmonary veins with stents tumble views

    3D volume rendered downward rotation of the pulmonary veins used in the treatment planning of arterial fibrillation.

  • Neuro: CTV AP

    Neuro: CT venogram (CTV) of the head

    3D MIP rotation of the head with the skull bones removed to demonstrate the cranial venous vasculature. Used in the assessment of venous sinus thrombosis.

  • Orthopedics: knee with fracture

    Orthopedics: Knee fracture

    3D volume rendered rotation of the entire knee to demonstrate a complex tibial fracture.

  • Oral Maxillofacial Surgery: Facial Tumor

    Oral Maxillofacial Surgery: Facial tumor

    3D volume rendered model of the face to demonstrate bone tumor.

  • Vascular: Heart with Grafts

    Vascular: Heart with coronary artery bypass grafts (CABG)

    Coronary CT angiography with two grafts. Left internal mammary artery to the left anterior descending artery and saphenous vein graft to the right coronary artery.

  • Chest: CT virtual bronchoscopy

    Three-dimensional virtual bronchoscopy used in the assessment of tracheomalacia.

  • Orthopedics: Pelvis Fracture

    Orthopedics: Entire pelvis with fracture

    3D volume rendered downwards rotation of the pelvis to demonstrate a right acetabular fracture.

  • Orthopedics: Pelvis Fracture 2

    Orthopedics: Pelvis fracture with right femur removed

    3D volume rendered downwards rotation of the pelvis with the right femoral head removed to demonstrate an acetabular fracture.

  • Orthopedics: Scapular and Humerus Fracture

    Orthopedics: Scapula and humerus fractures

    3D volume rendered batch rotation of the shoulder joint to demonstrate scapula and humerus fractures.

  • Orthopedics: Tibia with Fracture

    Orthopedics: Tibia with fracture

    3D volume rendered rotation of the tibia with tibial plateau fracture.

  • ankle

    Orthopedics: Ankle joint

    3D volume rendered rotation of a normal ankle joint.

  • A Mass General breast cancer patient overcomes her challenges

    A Mass General breast cancer patient overcomes her challenges

    Blind since birth, Lil had difficulty getting to medical appointments including annual mammograms. With help from a patient navigator, she learned to overcome the many challenges she faced with a breast cancer diagnosis.

  • Denyce talks about struggling with fibroids

    An opera singer overcomes infertility

    Painful fibroids kept opera singer Denyce Graves from conceiving. With the help and expertise of John Petrozza, MD, director of the Division of Reproductive Medicine and In Vitro Fertilization and co-director of the Mass General Fibroid Program, she gave birth to a baby girl. "He was the most hopeful of all the doctors I'd seen," she said.

  • Mr. Elton

    Epilepsy: The Road to a Cure

    A young man's quest to find a cure for his epileptic seizures takes him on a journey from Albania to Boston.

  • Mass General West Imaging in Waltham

    Mass General West Imaging doubles MRI capacity

    Mass General West Imaging in Waltham has doubled its MRI capacity with the addition of a new scanner. Take a tour of the new space from a patient's perspective.

  • Breast tomosyntehsis

    Breast tomosynthesis gains momentum

    Learn more about breast tomosynthesis in this podcast featuring Mass General staff radiologist and Harvard Medical School instructor Phoebe Freer, MD. Courtesy of Harvard Medical Labcast, March 2012, Harvard Medical School Office of Communications and External Relations

  • Sharon Shea

    A family faces their high risk of aneurysm together

    After Sharon Shea was stricken with an aneurysm, she had life-saving, emergency surgery at Massachusetts General Hospital. During her recovery, her family history emerged and helped get treatment for her son.

  • Cancer survivor finds relief after months of debilitating pain

    Cancer survivor finds relief after months of debilitating pain

    Albert Arillotta thought things couldn't get much worse after he was diagnosed with kidney cancer. But once it was treated, the real pain began.

  • Intra-arterial Therapy for Ischemic Stroke, Joshua A. Hirsch, MD

    Radiology Rounds Video: March 2016

    Listen to Joshua A. Hirsch, MD, vice chair, Interventional Radiology, discuss key points on intra-arterial treatment (I-AT) for ischemic stroke.

  • Dual-Energy CT Imaging Applications in the Liver

    Radiology Rounds Video: April 2016

    Listen to abdominal radiologist Avinash Kambadakone, MD discuss key points from the April 2016 issue of Radiology Rounds on DECT imaging applications in the liver. Dr. Kambadakone highlights the role of this new CT technology in detecting lesions in the liver, assessing response to treatment for abnormalities such as adenoid cystic carcinoma and potentially determining the degree of fibrosis in diffuse liver disease.

  • Variations in CT Radiation Dose

    Radiology Rounds Video: May 2016

    Listen to cardiovascular and thoracic radiologist Mannudeep Kalra, MD discuss the DIR and variations in CT radiation dose.

  • Role of Imaging in Hospital Transfers from Rural Hospitals

    Radiology Rounds Video: June 2016

    Listen to Anand Prabhakar, MD, Cardiovascular and Emergency Imaging staff radiologist discuss the role of imaging in hospital transfers from rural hospitals.

  • Social Determinants Affecting Patient Care in Radiology

    Radiology Rounds Video: July 2016

    In the July 2016 issue of Radiology Rounds, listen to Efren Flores, MD, Thoracic Imaging staff radiologist discuss social determinants that affect patient care in radiology. Missed appointments result in delayed diagnosis and treatment, which adversely affect care. Therefore, it is better to regard these events as “missed care opportunities” (MCOs) and look into the reasons why they occur to mitigate the problem.

  • Cardiac Stress MR

    Radiology Rounds Video: September 2016

    Listen to Sandeep Hedgire, MD, Chief Cardiovascular Imaging Fellow discuss cardiac stress MR. During the past decade, cardiac stress MR has been developed into an effective technique for examining myocardial perfusion and diagnosing obstructive coronary artery disease (CAD). The technique has the advantages of high spatial resolution, lack of ionizing radiation, and ease of assessing myocardial viability, wall motion, and cardiac anatomy. In addition, cardiac stress MR is not compromised by attenuation artifacts due to obesity or breast tissue, which can confound SPECT imaging.

  • Are you or someone you love eligible for lung screening?

    Lung Screening Eligibility

    Patients who meet specific criteria are eligible for an annual low-dose CT scan (LDCT) to screen for lung cancer. If lung cancer can be detected at earlier stages, it has the best chance of being cured.

  • Combined PET/MR Imaging

    Radiology Rounds Video: November/December 2016

    While combined PET/CT scanners have been widely adopted for more than a dozen years, combined PET/MR scanners are relatively recent developments. Listen to Onofrio Catalano, MD, discuss this new technology.

  • Find out the risks and benefits and what to expect at a lung screening exam.

    Lung Screening: What to Expect

    The major benefit of screening is that lung cancer can be cured if it’s found before symptoms occur. Find out what happens before, during and after a lung screening exam.

  • Find out how early detection changed Bob's life

    Screening Leads to Early Detection for Lung Cancer

    As a former smoker, Bob McDonald knew that he might be at risk for lung cancer. But even after he was screened, he was still surprised by the results. Find out how early detection changed his life.

  • Recanalization of Fallopian Tubes

    Radiology Rounds Video: February 2017

    About 30% of infertility in women is associated with blockage of the fallopian tubes. Listen to members of our interventional radiology team, Chief Peter Mueller, MD and Kara Stasko, MA, P-AC, discuss a minimally invasive, image-guided approach to treatment.

  • Imaging of Lower Extremity Venous Insufficiency

    Radiology Rounds Video: May 2017

    An estimated 22–29% of the Western population has a diagnosis of varicose veins; approximately 5% have manifestations of severe chronic vascular disease, such as skin changes or venous ulcers. Listen to Gloria Salazar, MD, discuss the use of imaging such as duplex ultrasound, MR venography (MRV) and CT venography (CVT) to aid in diagnosis.

  • Bone Age Assessment with Artificial Intelligence

    Radiology Rounds Video: September 2017

    Pediatric radiologist Dr. Michael Gee and Chief Radiology resident Dr. Shahein Tajmir demonstrate how AI could be used in the clinical setting to assist with bone age interpretation. Video courtesy of Mark Michalski, MD, MGH & BWH Center for Clinical Data Science.


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Currently Browsing:2015

  • Neuroradiology Post Graduate Course: 2015

    Monday, September 28, 2015

    In this course, faculty from Harvard Medical School, Massachusetts General Hospital and other institutions review the acquisition and interpretation of structural and functional neuroimaging studies.
  • Interventional Radiology Symposium 2015

    Saturday, September 19, 2015

    The goal of the Interventional Radiology Symposium at Massachusetts General Hospital is to introduce current medical students to the innovative, minimally invasive, and clinically oriented field of interventional radiology.
  • Intensive Review in Diagnostic Neuroradiology: Update 2015

    Saturday, May 30, 2015

    The educational objective of this intensive two-day course is to provide a comprehensive, focused review of the of the basic and advanced principles of clinical diagnostic neuroradiology.

Currently Browsing:2014

  • Interventional Radiology Symposium 2014

    Saturday, October 25, 2014

    The goal of the Interventional Radiology Symposium at Massachusetts General Hospital is to introduce current medical students to the innovative, minimally invasive, and clinically oriented field of interventional radiology.
  • Sports Medicine: 2014

    Thursday, June 26, 2014

    This course focuses on advances in Sports Medicine and is designed for multidisciplinary learning.

Clinical Newsletters

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Currently Browsing:2015

  • Radiology Rounds

    Thursday, January 1, 2015

    Bridging Procedures Prior to Liver Transplantation The only definitive cure for patients with hepatocellular cancer (HCC) is liver transplantation, a treatment suitable for patients whose tumor(s) do not exceed a certain size and who meet certain other criteria.
  • Radiology Rounds

    Sunday, February 1, 2015

    Yttrium-90 Radioembolization Applications of radiation therapy from an external source are limited for tumors in the liver, which can only tolerate between 30 to 50 Gy before the development of significant radiation-induced liver disease; 90 to 100 Gy is required for effective treatment of liver tumors.
  • Radiology Rounds

    Sunday, March 1, 2015

    Role of Percutaneous Abscess Drainage in Young Patients with Crohn’s Disease The prevalence of Crohn's disease is estimated to be 319 per 100,000 persons in the USA, with an incidence of about 5–10 cases per 100,000 individuals per year.
  • Radiology Rounds

    Wednesday, April 1, 2015

    Direct Percutaneous Jejunostomy Enteral feeding is indicated in a number of situations in which a patient is unable to consume sufficient nutrition normally or it is unsafe for them to do so.
  • Radiology Rounds

    Friday, May 1, 2015

    Cardiac CTA in the Management of Patients with Suspected Obstructive Coronary Artery Disease In the past few years, several clinical trials have established that coronary CT angiography (CTA) has high sensitivity and specificity for detecting obstructive coronary artery disease (CAD).
  • Radiology Rounds

    Wednesday, July 1, 2015

    Dual Energy CT Imaging for Suspected Pulmonary Embolism Using a Lower Dose of Contrast Agent CT pulmonary angiography (CTPA) is the first-line diagnostic imaging technique for patients who present with symptoms consistent with pulmonary embolism.
  • Radiology Rounds

    Saturday, August 1, 2015

    Balloon-Occluded Retrograde Transvenous Obliteration (BRTO) of Gastric Varices Gastric varices are a complication of increased portal pressure and are typically associated with cirrhosis of the liver. Over time, as they increase in size, the vessel walls become thinner, and wall tension increases.
  • Radiology Rounds

    Tuesday, September 1, 2015

    Global Outreach in Radiology The World Health Organization estimates that about 75 percent of the world's population is without access to ultrasounds, X-rays, magnetic resonance images and other medical imaging technologies that can detect tumors, diagnose tuberculosis infections, and monitor pregnant women.
  • Radiology Rounds

    Thursday, October 1, 2015

    Percutaneous Cryoablation of Chest Wall and Pleural Masses The thorax is a common site for the development of metastases from many primary cancers. In addition, there are some rare thoracic cancers, such as mesothelioma and thymoma, that can spread along the pleura.
  • Radiology Rounds

    Sunday, November 1, 2015

    Hepatocellular cancer (HCC) is unusual in that imaging is normally used for a definitive diagnosis of the disease with no pathological confirmation. Imaging provides information for prognosis and disease management, and its accuracy is critical for good patient care.

Currently Browsing:2014

  • Radiology Rounds

    Sunday, June 1, 2014

    The Role of MRI in the Diagnosis of Acute Appendicitis in Pediatric Patients and Pregnant Women For many years, CT imaging has been considered the diagnostic method of choice for patients with suspected appendicitis, thanks to its high speed and high diagnostic accuracy.
  • Radiology Rounds

    Saturday, February 1, 2014

    Image Guided Venous Sampling for the Localization of Endocrine Tumors The source of excess hormone causing diseases such as Conn’s syndrome or ACTH-dependent Cushing’s syndrome cannot be reliably determined using only non-invasive diagnostic tools.
  • Radiology Rounds

    Saturday, March 1, 2014

    Pediatric Breast Masses Although breast masses are uncommon in children, they are a source of concern, especially to parents, because of the fear of breast cancer. However, Surveillance Epidemiology and End Results (SEER) data from the United States from 1975 to 2010 shows that the incidence of cancer in girls under the age of 20 is <0.2/100,000.
  • Radiology Rounds

    Tuesday, April 1, 2014

    Radiation Dose and Fluoroscopic Procedures Over the past several decades, medical imaging has expanded rapidly, such that the per capita exposure to ionization radiation from medical imaging exceeds that from natural sources of radiation.
  • Radiology Rounds

    Thursday, May 1, 2014

    Coordinated Care for Patients with Symptomatic Leiomyomas Women with symptomatic leiomyomas (fibroids) can be treated in several ways, including medical management, uterine artery embolization (UAE), myomectomy, and hysterectomy.
  • Radiology Rounds

    Sunday, June 1, 2014

    Low-Dose CT Screening for Patients at High Risk for Lung Cancer Following the results of the National Lung Screening Trial (NLST) that showed 20% reduction in mortality following annual screening of heavy smokers with low-dose CT, the United States Preventative Services Task Force (USPSTF) issued a grade B recommendation for lung cancer screening in this population.
  • Radiology Rounds

    Tuesday, July 1, 2014

    Dual-Energy CT in Neuroimaging Standard methods for CT employ a single polychromatic beam of x-rays with peak energy in the range of 120–140 kVp. At these energies, the penetration of x-rays is relatively high, and the resulting images have a high signal-to-noise ratio.
  • Radiology Rounds

    Friday, August 1, 2014

    Breast Tomosynthesis In the three years since the introduction of breast tomosynthesis into clinical practice, several large clinical trials have compared screening with conventional digital mammography to screening with both tomosynthesis and conventional digital mammography.
  • Radiology Rounds

    Monday, September 1, 2014

    Dual-energy CT in the Chest Dual-energy CT (DECT) has applications in thoracic imaging. Itcan provide standard anatomic CT images in addition to physiological information from iodine enhancement maps and virtual non-contrast images.
  • Radiology Rounds

    Wednesday, October 1, 2014

    Intravascular Ultrasound-Guided Intrahepatic Portocaval Shunt Advanced liver disease can result in complications such as ascites and/or gastrointestinal bleeding due to high blood pressure in the portal vein.
  • Radiology Rounds

    Saturday, November 1, 2014

    Lowering Radiation Dose in CT Imaging Considerable concern has been expressed in recent years in regard to the radiation exposure from medical imaging, in particular from CT, which increased dramatically as utilization increased.

Currently Browsing:2013

  • Radiology Rounds

    Tuesday, January 1, 2013

    Radiology Consultation Clinic The Radiology Consultation Clinic is a pilot program that provides an opportunity for patients to consult directly with a radiologist.
  • Radiology Rounds

    Friday, February 1, 2013

    Intraoperative MRI Intraoperative MRI allows visualization of lesions, which may shift after a craniotomy is performed and can allow a more extensive resection.
  • Radiology Rounds

    Friday, March 1, 2013

    QPID, an Ontology-Driven Search Tool for the Electronic Medical Record QPID (Queriable Patient Inference Dossier) is a programmable search tool that uses natural language processing to extract meaningful information from the electronic health record (EHR).
  • Radiology Rounds

    Wednesday, May 1, 2013

    Fetal MRI. Part I: Neuroimaging MRI may provide additional information and influence patient management when fetal ultrasound suggests a potential for abnormalities.
  • Cardiovascular Images

    Monday, April 29, 2013

    Atrial Baffle Stenosis: A Late Complication after Mustard Repair for d-TGA A 37 year old male with a history of d-transposition of the great arteries and Mustard atrial switch operation as an infant presented with abdominal distension and facial swelling.
  • Radiology Rounds

    Sunday, September 1, 2013

    Amyloid PET Imaging with Florbetapir for Diagnosis of Alzheimer's Disease [18F]-Florbetapir-PET may allow earlier diagnosis of Alzheimer’s disease (AD), aid in the diagnosis of non-AD neurodegenerative diseases, and provide prognostic information for patients with mild cognitive impairment (MCI).
  • Radiology Rounds

    Saturday, June 1, 2013

    Fetal MRI. Part II: Non-CNS Imaging MRI is used as an adjunct to ultrasound to provide further diagnostic information for abnormalities affecting the thorax, neck, and abdomen.
  • Radiology Rounds

    Monday, July 1, 2013

    Biplanar Full-Body X-Ray Imaging A new biplanar x-ray imaging system acquires simultaneous lateral and anteroposterior images while the patient is in a weight-bearing position.
  • Radiology Rounds

    Thursday, August 1, 2013

    Simulation as a Training Tool for Vascular Interventional Radiology Simulation is being introduced as part of the curriculum for training radiology residents.
  • Radiology Rounds

    Tuesday, October 1, 2013

    Technical Advances in Interventional Radiology New robotically controlled C-arm systems are capable of fluoroscopy and 3D imaging (cone-beam CT).
  • Radiology Rounds

    Sunday, December 1, 2013

    Communication of Results in Radiology Communication of radiology results may be either standard (written report) or non-standard (direct contact sometimes with acknowledgement)

Currently Browsing:2012

  • Cardiovascular Images

    Monday, January 23, 2012

    Congenital Absence of the Pericardium Congenital absence of the pericardium is an uncommon anomaly, and can be either complete or partial (more commonly left-sided). The pathogenesis is believed to be secondary to an in utero vascular insult.
  • Radiology Rounds

    Wednesday, February 1, 2012

    Palliative Interventional Radiology in the Abdomen, Part 2: Nutritional Support and Comfort Measures Nutritional support, administered after the placement of a gastrostomy tube, a gastrojejunostomy tube, or a jejunostomy tube can prevent aspiration and prolong life.
  • Radiology Rounds

    Monday, January 2, 2012

    Palliative Interventional Radiology, Part 1: Image-Guided Techniques for Pain Relief Neurolysis of the celiac plexus or superior hypogastric plexus can provide pain relief emanating from upper abdominal and pelvic organs, respectively, allowing reduction in opioid medications and their side effects.
  • Cardiovascular Images

    Wednesday, March 21, 2012

    Truncus Arteriosus The value of CT and MRI lies in reliable quantification of ventricular function and detailed assessment of the presence or absence of the pulmonary arteries. This is especially true in the case of newborns in whom surgical correction is planned.
  • Cardiovascular Images

    Monday, April 23, 2012

    Kawasaki Disease Kawasaki disease is a systemic vasculitis presenting in the infant or young child, and is the leading cause of children's acquired cardiac disease in the United States.
  • Radiology Rounds

    Tuesday, May 1, 2012

    Importing Outside Images from CD/DVDs to PACS Each year, doctors at the MGH receive between 50,000 and 100,000 CDs/DVDs containing patient images. These CD/DVDs are a storage and management problem.
  • Radiology Rounds

    Friday, June 1, 2012

    Magnetic Resonance Angiography Using a Blood-Pool Contrast Agent, Gadofosveset Gadofosveset is a new MR contrast agent with an intravascular half-life of about 28 minutes, which allows steady-state contrast-enhanced MR angiography for up to 1 hour after administration of the contrast material.
  • Radiology Rounds

    Monday, July 2, 2012

    Magnetic Resonance Spectroscopy in the Brain Magnetic resonance spectroscopy (MRS) is a technique that detects metabolites, such as n-acetyl aspartate, choline-containing compounds, creatine/phosphocreatine, and lactate.
  • Radiology Rounds

    Wednesday, August 1, 2012

    PET/CT in Oncology Positron emission tomography (PET) is a molecular imaging method that provides complementary information to anatomic imaging by CT or MRI.
  • Radiology Rounds

    Saturday, September 1, 2012

    Imaging for Carotid Artery Stenosis Patients with severe carotid artery atherosclerosis are at high risk for stroke and may benefit from revascularization.
  • Radiology Rounds

    Monday, October 1, 2012

    Coronary CT Angiography for Acute Chest Pain Patients who undergo CCTA as the initial diagnostic test have the same or lower rates of major adverse cardiac events in a 28-day follow-up as patients who undergo standard therapy including functional testing.
  • Cardiovascular Images

    Monday, November 26, 2012

    Ruptured Coronary Sinus Aneurysm Sinus of Valsalva aneurysms most commonly originate from the right coronary sinus in 70-80% and less commonly from the non coronary (10-20%) and left sinuses (<5%) and may be congenital or acquired.
  • Radiology Rounds

    Thursday, November 1, 2012

    Integrated PET/MR in Oncology Integrated PET/MR is a newly available imaging technique that includes a simultaneous whole body MR and PET examination.
  • Cardiovascular Images

    Monday, October 1, 2012

     Myocardial Infarction-induced Ventricular Septal Defect Ventricular septal defect (VSD) is a mechanical complication of myocardial infarction and typically occurs three to five days after an acute MI.
  • Cardiovascular Images

    Friday, December 21, 2012

    Unroofed Coronary Sinus – A Rare Type of ASD Unroofed coronary sinus is a rare congenital cardiac anomaly which might be difficult to diagnose. It is classified as an atrial septal defect and constitutes the rarest form of this group of congenital heart disease.

Currently Browsing:2011

  • Radiology Rounds

    Monday, January 3, 2011

    Insufficiency Fractures in the Pelvis and Proximal Femur MRI is more sensitive than radiography or CT imaging for the diagnosis of insufficiency fractures. MRI may be helpful in distinguishing insufficiency fractures from pathological fractures due to tumor infiltration.
  • Cardiovascular Images

    Monday, January 31, 2011

    Color Doppler short-axis TEE of the aortic valve demonstrates significant paravalvular regurgitation Transesophageal cardiac ultrasound is the gold standard in evaluating suspected prosthetic valve endocarditis. Initial results have demonstrated that cardiac CT compares favorably and has added value in pre-operative planning and exclusion of coronary artery disease prior to surgery.
  • Radiology Rounds

    Tuesday, February 1, 2011

    Gastric emptying The protocol for gastric emptying scintigraphy at Mass General has been updated to conform to internationally recognized standards, including a standard low-fat meal labeled with 99mTc- sulfur colloid followed by imaging immediately after eating and at 1, 2, and 4 hours.
  • Cardiovascular Images

    Monday, February 21, 2011

    3D reconstructed cardiac CT Cardiac CT has the combination of excellent spatial resolution and a large field-of-view, and is thus ideally suited for the delineation of associated cardiovascular anomalies.
  • Radiology Rounds

    Monday, March 7, 2011

    Flat panel volume CT Flat panel volume CT (fpVCT) covers larger volumes, has higher spatial resolution, and suffers from fewer artifacts than multidetector CT. The technology, now available for clinical research at Mass General, has applications in musculoskeletal and vascular imaging.
  • Radiology Rounds

    Friday, April 1, 2011

    Breast tomosynthesis image Breast tomosynthesis offers better sensitivity and specificity than conventional mammography, with fewer false positives, fewer false negatives, and a radiation dose that is well within recommended guidelines.
  • Cardiovascular Images

    Monday, April 25, 2011

    Myocardial Viability by Cardiac MRI Cardiac MRI offers superior spatial resolution and has emerged as the gold standard for the quantification of myocardial scar via late gadolinium enhancement (LGE).
  • Cardiovascular Images

    Thursday, March 31, 2011

    MPR image Cardiac CT provides detailed evaluation of a coronary AV-fistula (CAF) and its relationship with surrounding structures.
  • Radiology Rounds

    Monday, May 2, 2011

    Sjirk Westra, MD, Pediatric Radiologist at MGH Mass General Imaging Global Health Programs (IGHP) aim to address unmet medical imaging needs and healthcare disparities for vulnerable and crisis-affected populations.
  • Cardiovascular Images

    Wednesday, May 25, 2011

    Takotsubo Cardiomyopathy In this case, cardiac CTA enabled the assessment of coronary artery anatomy and cardiac function with a single non-invasive examination.
  • Radiology Rounds

    Wednesday, June 1, 2011

    Ultra-Low Radiation Dose Renal CT Examinations Mass General Imaging has dramatically lowered the CT radiation dose for renal stone examinations. While the reported average dose for abdominal/pelvic CT is 15 mSv, at Mass General the dose is about 5.4 mSv for initial diagnosis and 0.85 to 3 mSv for follow-up examinations.
  • Cardiovascular Images

    Monday, June 20, 2011

    Supravalvular Aortic Stenosis Although the primary uses for cardiac CT include anatomic imaging of the chest and coronary arteries, dual-source cardiac CT has superior temporal resolution that allows functional imaging.
  • Radiology Rounds

    Friday, July 1, 2011

    Elastography Elastography is a promising technique for several purposes, including identification and localization of prostate cancer for biopsy and therapy, and for staging of liver fibrosis.
  • Radiology Rounds

    Monday, August 1, 2011

    Imaging Obese Patients The imaging of obese patients presents challenges within most modalities, ranging from equipment weight limits to attenuation by fat tissue. Solutions including specialized equipment and new image-reconstruction techniques are helping to serve this growing patient group.
  • Radiology Rounds

    Tuesday, September 6, 2011

    CT lung cancer screening Mass General Imaging now offers low-dose CT lung cancer screening, which according to a major prospective randomized study delivers a significant mortality benefit for former and current smokers who meet certain criteria.
  • Cardiovascular Images

    Tuesday, September 20, 2011

    Senile Cardiac Amyloidosis The characteristic delayed enhancement pattern makes MR a valuable imaging modality in the workup of amyloidosis.
  • Radiology Rounds

    Monday, October 3, 2011

    Staging Colorectal Cancer Treatment of colorectal cancer varies greatly depending on the location and extent of the disease. CT, MR, and PET-CT imaging all play important roles in staging and management.
  • Cardiovascular Images

    Monday, October 24, 2011

    Chagas Disease Presenting with Renal Infarcts Cardiac MRI is useful in assessing cardiovascular complications from the parasitic infection Chagas disease.
  • Radiology Rounds

    Friday, November 4, 2011

    Non-contrast MR Angiography Concerns about the safety of gadolinium-based contrast materials in high-risk patients--coupled with advances in hardware, imaging sequences, and gating technology--have revived interest in non-contrast MR angiography (NC-MRA).
  • Cardiovascular Images

    Monday, November 21, 2011

    Scimitar Syndrome While both CT and MRI can delineate many congenital cardiovascular anomalies, MRI has the added advantage of being free of radiation. In addition, MRI can be performed with or without gadolinium contrast.
  • Cardiovascular Images

    Tuesday, December 20, 2011

    Thrombus or Tumor? Differentiating intra-cardiac thrombus from tumor can be challenging. Cardiac MRI allows for multi-planar visualization, which enables optimal anatomical characterization and assessment of invasion into surrounding structures in the case of malignancy.

Currently Browsing:2010

  • Radiology Rounds

    Thursday, April 1, 2010

    Three-dimensional (3D) ultrasonography employs a transducer that records spatial information; the entire data set is stored for subsequent analysis. 3D imaging adds accurate volume measurements of lesions and structures, which is not available with current 2D ultrasound imaging.
  • Radiology Rounds

    Friday, October 1, 2010

    Gadoxetic acid (Eovist) is a new hepatobiliary MR contrast agent that is specifically taken up by hepatocytes and therefore provides increased lesion-liver contrast compared to standard extracellular contrast agents.
  • Radiology Rounds

    Wednesday, September 1, 2010

    Materials can be distinguished based on their differences in attenuation properties at different x-ray energies. CT scanners are now available that can almost simultaneously acquire images at two energy levels, either by using two x-ray tubes or a single x-ray tube capable of rapid energy (kVp) switching. Multi-energy scanning may be advantageous for lesion detection and characterization, but the benefits must be weighed against the potential for increased radiation exposure.
  • Radiology Rounds

    Monday, August 2, 2010

    Diffusion weighted MRI (DWI), and dynamic contrast enhancement (DCE) MRI increase the sensitivity and specificity of prostate cancer detection over that of T2 weighted imaging alone; the combination of these techniques is referred to as multiparametric MR imaging.
  • Radiology Rounds

    Thursday, July 1, 2010

    SPECT/CT combines the anatomic details seen in CT images with functional information from single photon emission computed tomography (SPECT) nuclear imaging, providing better anatomic localization of lesions than standard nuclear medicine images.
  • Radiology Rounds

    Tuesday, June 1, 2010

    CT perfusion imaging is used to estimate infarct core in acute stroke patients for whom MR-DWI (diffusion weighted imaging) cannot be obtained in a timely manner or is contra-indicated. Strict protocol rules ensure that total radiation exposure is substantially below the FDA maximum dose of 500 mGy.
  • Radiology Rounds

    Monday, May 3, 2010

    Whole-body MRI is a noninvasive technique that acquires images of the entire body in the coronal plane only using fast MR pulse sequences. Among other uses, it is a promising method for screening pediatric patients with small round blue cell tumors for metastases, including lymphoma and neuroblastoma.
  • Radiology Rounds

    Monday, March 1, 2010

    Although substantially higher than that from conventional x-ray imaging, the radiation exposure associated with diagnostic CT imaging is considered to be low by the Health Physics Society. At Mass General, a number of dose-reduction strategies are in place to minimize radiation exposure from CT imaging.
  • Radiology Rounds

    Monday, February 1, 2010

    Despite two recent small studies that failed to demonstrate statistically significant benefit from vertebral augmentation in osteoporotic patients, we continue to offer bone augmentation for properly selected patients with osteoporotic vertebral compression fractures, as well as metastatic bone lesions.
  • Radiology Rounds

    Monday, January 4, 2010

    Radiographic imaging is not recommended for cervical trauma patients who meet low-risk criteria. Large-scale studies have demonstrated that certain clinical criteria can be used reliably to guide the selection of patients for cervical imaging using CT, x-ray, or MRI.
  • Cardiovascular Images

    Friday, October 1, 2010

    Excess epicardial and mediastinal fat can mimic pericardial effusion and/or pericardial masses. In addition, excess fat can also have mass effect with or without hemodynamic significance.
  • Cardiovascular Images

    Monday, June 28, 2010

    Cardiac ultrasound is the primary imaging modality for diagnosis, morphologic assessment and follow-up of patients with ASDs (atrial septal defects). Knowledge of the size, location and associated abnormalities is critical for planning of surgical or percutaneous procedures, and in such cases cardiac CT has desirable imaging characteristics.
  • Cardiovascular Images

    Wednesday, May 26, 2010

    Cor triatriatum sinister is a residual membrane in the left atrium. The diagnosis can be made by 2D or transesophageal echocardiography, cardiac CT, or cardiac MRI. In the case discussed here, second-generation dual-source CT technology offered a high-quality diagnostic test while exposing the patient to a low radiation dose.
  • Cardiovascular Images

    Friday, April 23, 2010

    Our patient was scanned in the "Flash" mode using the new high-pitch CT scanner, which has a scanning speed of up to 43 cm/s and a temporal resolution of 75 ms. Therefore, an entire chest examination can be completed in just 0.6 seconds.
  • Cardiovascular Images

    Monday, March 22, 2010

    Caseous necrosis of the mitral valve is a rare form of mitral annular calcification (MAC) in which there is high atherosclerotic burden with central "caseous" necrosis, which can resemble a tumor. In this case, cardiac CT was an ideal complementary modality that was helpful in narrowing down the differential diagnosis.
  • Cardiovascular Images

    Friday, February 26, 2010

    A CT was performed to exclude a pulmonary embolus, with surprising results: a mobile mass.
  • Cardiovascular Images

    Wednesday, January 27, 2010

    Coronary CTA is emerging as the gold-standard in elucidating the origin, the size, the course, and the presence or absence of proximal anatomical or functional obstruction of congenital coronary anomalies.
  • Radiology Rounds

    Friday, November 5, 2010

    alt In order to minimize inappropriate use of STAT radiology examinations, Mass General is changing the physicians order entry (POE) process. All patients who need STAT exams must be transported by medical staff to the designated scanner (with the exception of portable examinations).
  • Cardiovascular Images

    Friday, November 19, 2010

    alt ApHCM is characterized as concentric, apical left ventricular thickening, resulting in a spade-like morphology of the left ventricular cavity during end diastole. In the case presented here, cardiac MRI was vital in demonstrating focal areas of fibrosis in the apical wall of the left ventricle.
  • Cardiovascular Images

    Friday, December 17, 2010

    Color Doppler echocardiography This case demonstrates the complementary role of cardiac CT to traditional imaging modalities in the evaluation of complex congenital heart disease in carefully selected patients.

Currently Browsing:2009

  • Radiology Rounds

    Monday, November 23, 2009

    Investigators in radiology are actively expanding research efforts in decision analysis to compare new and existing imaging techniques, and to identify which imaging approaches can most benefit at-risk populations
  • Radiology Rounds

    Monday, October 5, 2009

    A new CT reconstruction algorithm, adaptive statistical iterative reconstruction (ASIR), has effectively increases image quality by reducing noise, also enabling lower radiation doses.
  • Radiology Rounds

    Monday, September 7, 2009

    For patients with Chron's disease, MR enterography offers an alternate imaging method that provides high image resolution and excellent soft-tissue contrast without exposure to the ionizing radiation of a CT exam.
  • Radiology Rounds

    Monday, August 3, 2009

    Multidetector CT (MDCT) is the imaging modality of choice for chronic sinusitis because it clearly shows air spaces, opacification of sinuses, and bony anatomy.
  • Radiology Rounds

    Monday, July 6, 2009

    Augmentation therapy, including kyphoplasty or vertebroplasty, in which cement is placed percutaneously into a fractured vertebral body, results in a marked improvement in pain within 24 hours in 80-90% of those treated.
  • Radiology Rounds

    Monday, June 1, 2009

    Fast scanning methods, combined with behavior distraction techniques, can often help children undergo imaging studies without sedation or general anesthesia.
  • Radiology Rounds

    Monday, May 4, 2009

    The dedicated extremity MR scanner at Mass General Imaging West, Waltham, is designed for scanning the hand, wrist, elbow, foot, ankle, and knee. Diagnostic quality is comparable to 1.5 T conventional MR scanners.
  • Radiology Rounds

    Monday, April 6, 2009

    Defecography is a dynamic fluoroscopy examination that is valuable for patients with pelvic floor disorders, primarily constipation and certain forms of fecal incontinence.
  • Radiology Rounds

    Monday, March 2, 2009

    Targeted imaging surveillance is often necessary to detect developing cancers in the early stages to maximize treatment benefits and survival. Ultrasound and MR are the primary imaging modalities used for surveillance
  • Radiology Rounds

    Monday, February 2, 2009

    All incidentally detected adrenal nodules need clinical evaluation and laboratory tests for hormonal secretion. Adrenal protocol CT has a high sensitivity for differentiating between benign and malignant masses.
  • Radiology Rounds

    Monday, January 5, 2009

    In certain cases, percutaneous image-guided ablation may be considered for biopsy-confirmed hepatocellular cancer (HCC) and for colorectal cancer (CRC) metastases.
  • Radiology Rounds

    Monday, November 2, 2009

    We believe that the US Preventive Services Task Force recommendations on mammography are based on flawed analysis of the data and continue to support the scientifically based recommendations of the American Cancer Society that annual mammographic screening should begin at age 40.
  • Cardiovascular Images

    Monday, December 7, 2009

    Simultaneous diagnostic enhancement of the coronary and pulmonary arteries is now possible with modern scanners and protocols.
  • Cardiovascular Images

    Monday, November 2, 2009

    This case highlights the added clinical value of using non-invasive ECG-gated cardiac CT for surveillance and management of graft aneurysms pre- and post- surgical/percutaneous interventions.
  • Cardiovascular Images

    Monday, October 5, 2009

    Despite the relative lower contrast to noise ratio of CT images compared to MRI, contrast-enhanced CT can detect myocardial fibrosis in the majority of cases with delayed enhancement techniques.
  • Cardiovascular Images

    Monday, September 7, 2009

    Cardiac CT may allow non-invasive simultaneous evaluation of coronary anatomy and physiology in a single study.
  • Cardiovascular Images

    Monday, June 8, 2009

    Persistence of the 5th aortic arch is a rare congenital vascular anomaly which may be seen in isolation or associated with other congenital cardiac or vascular anomalies.
  • Cardiovascular Images

    Monday, May 4, 2009

    Intravenous leiomyomatosis is a rare proliferation of histologically benign smooth muscle cells within the venous system, whose etiology has been postulated to result from vascular invasion of a uterine leiomyoma.
  • Cardiovascular Images

    Monday, April 6, 2009

    LMCA (left main coronary atresia) is a rare coronary anomaly in which there is no left main ostium, and the proximal left main trunk ends blindly.
  • Cardiovascular Images

    Monday, March 2, 2009

    Cardiac CTA was useful in excluding coronary anomalies or cardiomyopathies, and led to a surprising diagnosis.
  • Cardiovascular Images

    Monday, February 2, 2009

    Left ventricular apical aneurysm can be a sequela of myocardial infarction, most commonly from anterior wall myocardial infarction, occurring in up to 40% of these patients.
  • Cardiovascular Images

    Monday, January 5, 2009

    While coronary angiography has traditionally been considered the gold standard for evaluation of coronary artery aneurysms, coronary CT angiogram (CTA) has emerged as a reasonable alternative.

Currently Browsing:2008

  • Cardiovascular Images

    Monday, November 3, 2008

    This case demonstrates the complimentary information offered by the multimodality workup of a rare myocardial tumor.
  • Cardiovascular Images

    Monday, October 6, 2008

    64-detector-row CTA is a noninvasive and sensitive modality for detecting thrombi in the left atrial appendage of stroke patients.
  • Cardiovascular Images

    Monday, September 1, 2008

    Preliminary data suggests that LAA occlusion with a WATCHMAN System is safe and feasible, and cardiac CTA is an excellent modality to assess the integrity of the WATCHMAN device.
  • Cardiovascular Images

    Monday, June 2, 2008

    Dual source coronary CT represents a valuable non-invasive imaging tool capable of providing surveillance of LMCA stents and can also elucidate other important findings in a single examination.
  • Cardiovascular Images

    Monday, May 5, 2008

    Our case illustrates that CMR is an attractive clinical imaging modality for the non-invasive diagnosis of myocarditis.
  • Cardiovascular Images

    Monday, April 7, 2008

    Multidetector CT is an excellent noninvasive tool, in the long-term follow-up of symptomatic patients with giant coronary aneurysms.
  • Cardiovascular Images

    Monday, March 3, 2008

    This case demonstrates the unique ability of CT angiography to easily and definitively define the inter-arterial course of the RCA originating from the left coronary cusp.
  • Cardiovascular Images

    Saturday, February 2, 2008

    This case illustrates the potential of cardiac CT to not only definitely exclude or rule in the presence of coronary anomalies, fistulas or myocardial bridges, but also to quantify ventricular function and to detect structural abnormalities.
  • Cardiovascular Images

    Monday, January 7, 2008

    This case demonstrates the unique power of multi-detector CT to demonstrate not only the length but also the depth of a myocardial bridging segment.
  • Radiology Rounds

    Monday, November 3, 2008

    Uterine artery embolization (UAE) is recognized as a Level A (based on good and consistent scientific evidence) treatment option for the management of leiomyomas in carefully selected patients.
  • Radiology Rounds

    Monday, October 6, 2008

    CT perfusion, which evaluates blood flow, blood volume, mean transit time, and vascular permeability from dynamic changes in contrast enhancement, has been used for stroke evaluation and has an emerging role in the evaluation of tumor angiogenesis.
  • Radiology Rounds

    Monday, September 1, 2008

    Imaging, including CT and MR, as well as 3-D post-processing, plays a vital role in assessing the suitability of a potential donor for transplantation and for planning surgery.
  • Radiology Rounds

    Monday, August 4, 2008

    Three image-guided ablation therapies are in use at MGH: radiofrequency ablation, cryoablation, and microwave ablation; selection among these is dependent on tumor- and patient-specific factors.
  • Radiology Rounds

    Monday, July 7, 2008

    Multidetector CT (MDCT) scanning using two energy levels, 80kVp and 140kVp MDCT can be used to characterize renal stone composition prior to treatment.
  • Radiology Rounds

    Monday, June 2, 2008

    MR imaging can be used for prostate cancer detection and is commonly recommended if cancer is suspected despite negative transrectal US and biopsy findings.
  • Radiology Rounds

    Monday, May 5, 2008

    The American Cancer Society recommends CT colonography (CTC) every 5 years as a screening option for asymptomatic adults who are at average risk of developing colorectal cancer starting at age 50.
  • Radiology Rounds

    Monday, April 7, 2008

    Dual source CT has very high temporal and spatial resolution, making it possible to freeze cardiac motion and obtain diagnostic quality images of the coronary arteries regardless of heart rate.
  • Radiology Rounds

    Monday, March 3, 2008

    Interventional endovascular therapies, including intra-arterial thrombolysis, mechanical disruption (thromborhexis) and clot removal (thrombectomy) offer alternatives to recombinant tissue plasminogen activator (tPA) in the treatment of proximal occlusions.
  • Radiology Rounds

    Monday, February 4, 2008

    Dedicated CT protocols are in place to minimize pediatric radiation exposure. Other strategies for minimizing radiation include avoiding unnecessary CT examinations, utilizing alternate modalities when appropriate, and using state-of-the-art CT dose reduction technologies.
  • Radiology Rounds

    Monday, January 7, 2008

    CT angiography with post processing to create 3-D and maximum intensity projection (MIP) images is an excellent non-invasive method to diagnose aneurysms, while endovascular repair (coiling) offers an alternate treatment to craniotomy and clipping.

Currently Browsing:2007

  • Radiology Rounds

    Monday, November 5, 2007

    CT angiography which is comprised of noncontrast, arterial phase, and venous phase multidetector CT acquisition, has a sensitivity of about 94% for the diagnosis of mesenteric ischemia.
  • Radiology Rounds

    Monday, October 1, 2007

    Image-guided injection of a short-acting anesthetic and anti-inflammatory steroid can be useful in the management of patients with pain that has not resolved after conservative therapy.
  • Radiology Rounds

    Monday, September 3, 2007

    When opioid narcotics are no longer effective or their side effects become intolerable, celiac axis block can be an effective palliative method for minimizing pain from large infiltrating pancreatic tumors.
  • Radiology Rounds

    Monday, August 6, 2007

    Selective Internal Radiation Therapy (SIRT) is an FDA approved treatment for liver metastases from colorectal cancer.
  • Radiology Rounds

    Monday, July 2, 2007

    Radiofrequency ablation (RFA) is a minimally invasive therapy for biopsy-proven lung tumors in patients who are not surgical candidates due to medical conditions.
  • Radiology Rounds

    Monday, June 4, 2007

    Nephrogenic systemic fibrosis is a newly discovered disease that has been associated with the use of gadolinium-based MRI contrast agents in patients with severe renal disease, most commonly those on dialysis.
  • Radiology Rounds

    Monday, May 7, 2007

    PET and CT are complementary imaging techniques that, when used in conjunction with one another, have better diagnostic accuracy than either technique alone.
  • Radiology Rounds

    Monday, April 2, 2007

    In March 2007, the American Cancer Society (ACS) published new guidelines for breast screening with MRI, recommending the exam annually for women with certain risk factors and for women newly diagnosed with breast cancer.
  • Radiology Rounds

    Monday, March 5, 2007

    An algorithm to evaluate adnexal masses with imaging is presented. The goal is to identify patients with definitely benign lesions from those that require further clinical evaluation for ovarian cancer.
  • Radiology Rounds

    Monday, February 5, 2007

    Predisposing factors for iodinated contrast media induced nephropathy (CIN) include chronic renal insufficiency, diabetes, dehydration, congestive heart failure, nephrotoxic medications, and age > 70 years.
  • Radiology Rounds

    Monday, January 1, 2007

    Small renal masses are now commonly detected incidentally during US, CT, or MRI examinations for non-urologic indications. CT and MR imaging techniques can differentiate between benign and malignant lesions.
  • Cardiovascular Images

    Monday, November 5, 2007

    Cardiac MRI and PET scanning together confirmed the diagnosis and extent of cardiac sarcoidosis.
  • Cardiovascular Images

    Monday, October 1, 2007

    The assessment of myocardial perfusion by cardiac MDCT suggests that a comprehensive evaluation of morphology, function, and perfusion can be achieved with a single study.
  • Cardiovascular Images

    Monday, September 3, 2007

    A 64-slice retrospectively ECG-gated contrast-enhanced cardiac CT was performed prior to proceeding with coronary artery bypass grafting. The imaging study revealed severe coronary artery disease.

Currently Browsing:2006

  • Radiology Rounds

    Monday, November 6, 2006

    Vertebral osteomyelitis accounts for 2-4% of all cases of bone infection and is most often found in men over 50 years. This article compares the use of different imaging modalities in diagnosing the condition.
  • Radiology Rounds

    Monday, October 2, 2006

    The overall yield of neuroimaging studies for headache without accompanying neurologic abnormalities is low. This article presents the algorithm used to determine when imaging is appropriate and what modality should be used.
  • Radiology Rounds

    Monday, September 4, 2006

    Image-guided biopsy is indicated for both palpable and non-palpable breast lesions suspicious for malignancy and is a cost-effective procedure that reduces the number of surgeries.
  • Radiology Rounds

    Monday, August 7, 2006

    A detailed guideline algorithm for the management of pulmonary nodules found on chest x-ray or CT is presented.
  • Radiology Rounds

    Monday, July 3, 2006

    Most non-functional adrenal masses can be definitively characterized with CT; functional masses are best diagnosed by clinical examination and laboratory testing.
  • Radiology Rounds

    Monday, June 5, 2006

    A definitive diagnosis of osteomyelitis is made with bone biopsy and subsequent examination by histology and microbiology. Imaging is often used as an aid to diagnosis in patients who can't undergo the invasive biopsy procedure.
  • Radiology Rounds

    Monday, May 1, 2006

    Abdominal aneurysm size can be measured with ultrasound imaging in most patients; thoracic aortic aneurysm size is best measured with CT.
  • Radiology Rounds

    Monday, April 3, 2006

    Data supports either CT or MRI under most circumstances at the time of initial dementia assessment to identify rare pathologies such as neoplasms or subdural hematomas.
  • Radiology Rounds

    Monday, March 6, 2006

    Ultrasound is the imaging modality of choice because it can adequately demonstrate all the essential parts of the male reproductive system.
  • Radiology Rounds

    Monday, February 6, 2006

    Imaging plays an important role in the diagnosis of MAC infection and the criteria for diagnosis includes certain radiographic findings on chest CT examination, plus microbiological evidence.
  • Radiology Rounds

    Monday, January 2, 2006

    Appendiceal CT allows for rapid and accurate diagnosis of appendicitis, eliminating unnecessary appendectomy and/or hospitalization for observation.

Currently Browsing:2005

  • Radiology Rounds

    Monday, November 7, 2005

    Multi-detector CT and MRI can help classify cystic pancreatic lesions by morphology into four sub-types, unilocular cysts, microcystic lesions, macrocystic lesions, and cysts with a solid component.
  • Radiology Rounds

    Monday, October 3, 2005

    Women at high genetic risk for breast cancer or with ≥2 first degree relatives with breast cancer may benefit from MRI screening.
  • Radiology Rounds

    Monday, September 5, 2005

    For knee pain evaluation, an initial radiographic (X-ray) examination should be ordered and MRI is only indicated for evaluation of pain without mechanical symptoms if unexplained pain persists for 3-6 weeks.
  • Radiology Rounds

    Monday, August 1, 2005

    Screening for low bone-mineral density (BMD) is appropriate and, as pointed out in a recent report of the Surgeon General, may prevent many osteoporotic fractures.
  • Radiology Rounds

    Tuesday, July 5, 2005

    In addition to increasing risk for the development of chronic disease, obesity is a limiting factor in radiology used in all aspects of medical diagnosis and treatment. These limitations include both logistical and image quality issues.
  • Radiology Rounds

    Monday, June 6, 2005

    Discusses the use of Myocardial Perfusion Imaging SPECT (MPI SPECT), Stress Myocardial Perfusion Imaging SPECT, and Myocardial Perfusion Imaging PET (MPI PET).
  • Radiology Rounds

    Monday, May 2, 2005

    Ultrasound, CT venography, and MR venography may all come into play for the diagnosis of DVT in the lower extremities.
  • Radiology Rounds

    Monday, April 4, 2005

    Saline infusion sonohysterography (SIS) is a very sensitive ultrasound technique for detecting focal lesions because a small volume of saline (<20 ml) is used to distend the uterine cavity in order to improve visualization of the endometrial surface.
  • Radiology Rounds

    Monday, March 7, 2005

    The detection rate of thyroid nodules has increased dramatically because they are common incidental findings during carotid ultrasonography as well as MRI and CT images of the neck and thorax, ordered for a variety of diagnostic purposes.
  • Radiology Rounds

    Monday, February 7, 2005

    MRI is generally regarded as a very safe imaging modality since it does not use ionizing radiation and because toxic reactions to MRI contrast agents are very rare. However, cardiac pacemakers, implanted cardiac defibrillators, otic/inner ear/cochlear implants, and metal fragments in the eye contraindicate MRI.
  • Radiology Rounds

    Monday, January 3, 2005

    Ultrasound imaging and monitoring blood concentrations of alpha-fetoprotein are recommended for screening for hepatocellular cancer. If ultrasound images detect a lesion or if the liver echotexture is heterogeneous, MRI is recommended for further evaluation.

Currently Browsing:2004

  • Radiology Rounds

    Monday, November 1, 2004

    Renal/abdominal MR angiography (MRA) is a sensitive method for detecting stenoses in renal arteries as well as vascular abnormalities in other abdominal arteries; run-off MRA is a sensitive method for detecting stenoses and aneurysms in the iliac, femoral, popliteal, and crural arteries.
  • Radiology Rounds

    Monday, October 4, 2004

    CT and MR imaging now play a significant role not only for diagnosis but also for assessing the volume of ischemic damage and amount of residual perfusion. This data, although still under investigation, plays a role in decision making on whether it is appropriate to give the patient thrombolytic treatment.
  • Radiology Rounds

    Monday, September 6, 2004

    Percutaneous radiofrequency ablation (RFA) may be considered for biopsy-confirmed tumors that cannot be resected or when patients are not good candidates for surgery. RFA is most effective for tumors <2.5 cm diameter positioned away from large blood vessels and vital structures.
  • Radiology Rounds

    Monday, August 2, 2004

    Coronary angiography remains the “gold-standard” for evaluating coronary artery disease. Coronary CTA is a non-invasive alternative to angiography for some patients.
  • Radiology Rounds

    Monday, July 5, 2004

    An algorithm aids in the selection of CT, PET, and needle biopsy for evaluating potentially cancerous pulmonary nodules.
  • Radiology Rounds

    Monday, June 7, 2004

    Compared with ERCP (endoscopic retrograde cholangiopancreatography), MRCP is a less costly, non-invasive, and sensitive technique for evaluating the biliary and pancreatic ductal systems.
  • Radiology Rounds

    Monday, May 3, 2004

    Combined PET/CT scanning is now available at Mass General. In cases where both PET and CT are needed, PET/CT offers the advantages of convenience for patients and superior co-registration of images.
  • Radiology Rounds

    Monday, April 5, 2004

    Radiological imaging can be a valuable adjunct to the physical examination for hip dysplasia and as a means of monitoring treatment.
  • Radiology Rounds

    Monday, March 1, 2004

    Vertebroplasty can provide pain relief and prevent further collapse of fractures that do not heal naturally. Patient selection is the critical factor in achieving treatment success.
  • Radiology Rounds

    Monday, February 2, 2004

    Maternal health risks must dictate the need for radiation-based medical imaging during pregnancy, as exposure to ionizing radiation associated with most radiological examinations is substantially lower than that required to produce adverse effects.
  • Radiology Rounds

    Monday, January 5, 2004

    In the vast majority of cases, acute back pain is a self-limited condition that resolves with analgesic treatment and activity modification. The challenge is to identify red flags that would distinguish patients who should have a more intensive work-up.

Currently Browsing:2003

  • Radiology Rounds

    Monday, December 1, 2003

    Several studies have demonstrated that uterine artery embolization is a safe and effective treatment for fibroids of any size that compares favorably with the alternative treatments, hysterectomy or myomectomy.
  • Radiology Rounds

    Monday, November 3, 2003

    Multidetector CT imaging has become the gold standard for the diagnosis of urinary tract calculi, the investigation of hematuria, and the characterization of renal masses and has largely replaced both plain film excretory urography and ultrasound examinations for these purposes.
  • Radiology Rounds

    Monday, October 6, 2003

    Although significant adverse reactions to iodinated contrast agents are rare, they justifiably arouse concern among patients, referring physicians, and radiologists. This article presents information on risk factors and protocols for minimizing adverse reactions.
  • Radiology Rounds

    Monday, September 1, 2003

    Based on the accumulated evidence, screening patients with isolated headache by CT or MRI is generally not warranted. This article presents guidelines for recognizing the instances where such scanning is necessary.
  • Radiology Rounds

    Monday, August 4, 2003

    Several very rigorous studies have directly demonstrated the benefit of mammographic screening in women over 40 and there has been a 20% drop in the death rate due to breast cancer since 1990, which can be directly attributed to screening mammography.
  • Radiology Rounds

    Monday, July 7, 2003

    Up until recently, patients with suspected pulmonary embolism were most commonly referred for ventilation/perfusion (V/Q) lung scanning. CT pulmonary angiography (CTA) is an alternate and now frequently used method of visualizing perfusion for the diagnosis of pulmonary embolism.

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