Fig. 1From: Mesenteric inflammatory veno-occlusive disease occurring during the course of ulcerative colitis: a case reporta Colonoscopy revealed loss of the vascular appearance, erythema, friability of the mucosa, and spontaneous bleeding in the sigmoid and rectal colon. These endoscopic findings are consistent with active ulcerative colitis. b Pathological images showed chronic inflammatory cell infiltration, distortion of crypt architecture, and inflammation of the crypts. Hematoxylin-eosin stainingBack to article page