Ulcerative Colitis

Ulcerative Colitis •The arrow marks a typical crypt abcess •The crypt lumen is filled with polys and the lining epithelium is partially necrotic with the remaining epithelium being flattened and having degenerative changes •This lesion is strongly supportive of, but not pathognomonic of a diagnosis of ulcerative colitis •The lamia propria also shows a marked infiltrate of polys (Description By:Martin Nadel,M.D. ) (Image Contrib. by:Martin Nadel,M.D. UCHC )