Massachusetts General Hospital Department of Dermatology Welcomes New Dermatologists: Stephen Ostrowski, MD, PhD, Elena B.Hawryluk, MD, PhD, and Mariko Yasuda, MD.

August 2014: TO HELP MEET THE GROWING NEED TO IMPROVE ACCESS AND TO HELP REDUCE PATIENT WAIT TIMES FOR NEW APPOINTMENTS, THE DEPARTMENT OF DERMATOLOGY IS PLEASED TO WELCOME THREE DERMATOLOGISTS TO OUR PRACTICE THAT WILL BE ACCEPTING NEW PATIENTS. ostrowskiStephen Ostrowski, MD, PhD is an Instructor in Dermatology at Harvard Medical School and a board-certified dermatologist. Dr. Ostrowski attended Northwestern University, where he obtained a bachelor's degree in biology with honors. He then completed a dual MD/PhD degree at Case Western Reserve University, receiving the Dermatology Faculty Prize and Lepow Research Awards. After completing his internship, Dr. Ostrowski completed a combined dermatology residency and research fellowship at Case Western, twice receiving research fellowship awards from the Dermatology Foundation.  He presented his work at the Society for Investigative Dermatology and Montagna Symposium conferences. 

Dr. Ostrowski is a physician-scientist performing basic science and translational research in the area of melanoma and non-melanoma skin cancer biology. Dr. Ostrowski's research is focused on signaling pathways that influence survival of melanoma and Merkel cell cancer.

Dr. Ostrowski's clinical interest encompass adult and pediatric general dermatology, including inflammatory skin disease and skin cancer detection and treatment.

  Elena B. Hawryluk, MD, PhD is a board-certified Dermatologist and Instructor in Dermatology at Harvard Medical School.  After graduating from Carnegie Mellon University with degrees in Computer Science and Biological Sciences, she completed her medical degree (MD) and PhD (Cell Biology and Molecular Physiology) at the University of Pittsburgh School of Medicine's Medical Scientist Training Program.  Dr. Hawryluk completed her internship at St. Vincent Hospital, followed by dermatology residency at Harvard Medical School, where she served as a Chief Resident. 

Subsequently, she undertook advanced fellowship training in Pediatric Dermatology at Boston Children's Hospital, and was supported by the Dermatology Foundation's Fellowship in Pediatric Dermatology award.  She serves on committees for the American Academy of Dermatology and Society for Pediatric Dermatology.

Dr. Hawryluk is trained in both pediatric and adult dermatology with a special interest in pigmented lesions.  She has authored both primary research and review articles on melanoma and pigmented lesions, and has delivered presentations at regional and national meetings on these topics.  In addition to general pediatric dermatology, her clinical interests include nevi, melanoma, Spitz nevi, congenital nevi and birthmarks, pediatric skin tumors, and vascular anomalies.


 YasudaMariko Ruth Yasuda, MD is a board certified dermatologist, dermatopathologist and Instructor in Dermatology at Harvard Medical School. .  Dr. Yasuda completed her internship in Internal Medicine, her residency in dermatology, and most recently, a fellowship in dermatopathology at the University of Massachusetts Medical School in Worcester, Massachusetts. While at UMass, Dr. Yasuda was awarded Intern of the Year for her clinical knowledge, empathy, and compassion and later served as chief resident during her dermatology residency. She received her medical degree from Albany Medical College in Albany, New York where she was inducted into the Alpha Omega Alpha Honor Society and was recognized for her integrity, leadership and compassion. Dr. Yasuda is a graduate of Wellesley College where she obtained her bachelor’s degree in piano performance.


 Dr. Yasuda has presented  several posters at the American Academy of Dermatology as well as The American Society of Dermatopathology and has published articles in the journals of Clinical and Experimental Dermatology . She also enjoys participating in resident education, teaching dermatology and dermatopathology.


 Dr. Yasuda is interested in the interpretation of skin biopsies and its influence on the diagnosis and management of cutaneous disease. In addition to general dermatology, her clinical interests include hair loss, pediatric dermatology, melanoma, bullous disorders, psoriasis, acne, and drug-induced rashes