Ulcerative Colitis - Endoscopy
Ulcerative Colitis - Endoscopy

The yellow white areas on the colonic mucosa represent exudate
Linear red markings are evidence of marked congestion/ mucosal hemorrhage
Area of confluent redness(arrow) may represent superficial mucosal ulceration
(Description By:Martin Nadel, M.D. )
(Image Contrib. by:Martin Nadel, M.D. UCHC )