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William S. Twaddell

William S. Twaddell M.D.

Academic Title: Associate Professor
Primary Appointment: Pathology
Location: UMMC, NBW51
Phone: (410) 328-0989
Phone: (410) 328-5525
Fax: (410) 328-5508

Personal History:

* MD, Columbia University, 2004.
* Residency, Anatomic Pathology, Columbia-Presbyterian Medical Center, 2004-2007.
* Fellowship, GI/Liver Pathology, Columbia-Presbyterian Medical Center, 2007-2008.
* Assistant Professor, Anatomic Pathology, University of Maryland 2008-present.

Research Interests:

Liver disease, including malignancies; Pancreatic and colorectal malignancies

Clinical Speciality:

Gastrointestinal and liver pathology


Twaddell WS,. J Lefkowitch, PD Berk. Evolution from primary biliary cirrhosis to primary biliary cirrhosis/autoimmune hepatitis overlap syndrome. Seminars in Liver Disease, 2008, 28 [1]: 128-34.

Jiang L, Gonda TA, Gamble MV, Salas M, Seshan V, Tu S, Twaddell WS, Hegyi P, Lazar G, Steele I, Varro A, Wang TC, Tycko B. Global hypomethylation of genomic DNA in cancer-associated myofibroblasts. Cancer Res., 2008, 1:68(23): 9900-8.

S Zhou, WS Twaddell, E Carras, J Lefkowitch, PD Berk. Dose-dependent effects of ethanol on adipocyte, hepatocyte and cardiac myocyte fatty acid uptake and triglyceride accumulation in C57BL/6J mice. Presidential Poster of Distinction at American Association for the Study of Liver Diseases (AASLD), 58th Annual Meeting, November 2007.

WS Twaddell, C DiMaio, P Stevens, T Wang, JM D'Armiento and HE Remotti. Staining for HMGA2 in Serous and Mucinous Cystic Pancreatic Lesions. Presented at United States and Canadian Academy of Pathology (USCAP), 97th Annual Meeting, March 2008.

M Mansukhani, J Schwartz, WS Twaddell, M Martinez and H Remotti. Genetic markers and pediatric onset inflammatory bowel disease. Presented at United States and Canadian Academy of Pathology (USCAP), 97th Annual Meeting, March 2008.