Massachusetts General Hospital | Cancer Center

BiographyDr Antonia Stephen received her medical degree from Harvard Medical School and subsequently completed her general surgical residency at the Massachusetts General Hospital and an endocrine surgical fellowship at the Cleveland Clinic. She then joined the surgical staff at the Massachusetts General Hospital in the Division of Surgical Oncology. Her clinical practice is focused on the surgical management of patients with endocrine tumors and she is a member of the MGH Endocrine Surgery Unit, the highest volume center in the country focused on surgery of the thyroid, parathyroid, and adrenal glands. Her particular areas of clinical expertise are in minimally-invasive parathyroid surgery, the treatment of thyroid cancer, and laparoscopic adrenal surgery. She also performs in-office ultrasound and ultrasound-guided biopsies of thyroid nodules and parathyroid tumors.

ResearchDr. Stephen's research interests are focused on thyroid and parathyroid tumors. Her primary areas of investigation include the diagnosis of thyroid nodules, specifically the pre-operative differentiation of malignant and benign thyroid tumors. She has conducted original research on the topic of parathyroid localization with sestamibi/parathyroid scanning and four-dimensional computed tomography. She also manages the endocrine surgical database, a hospital-wide program that is utilized in clinical research studies