Ulcerative colitis complicated with colonic necrosis, septic shock and venous thromboembolism: A case report

Figure 1 Endoscopy demonstrated total colonic wall thickening, erosions in luminal surface of colon, hyperemia, friability, bleeding and ulcerations.

Figure 2 Thin flaws and perforations at rectosigmoid colon and a large amount of fluid in abdominal cavity and pelvis were found by emergency computed tomography.

Figure 3 Total colonic necrosis was seen during operation.

Figure 4 Histopathological examination of the resected colon in the patient showed extensive hemorrhage, necrosis and exudation involving the whole intestinal wall and the extraserous adipose tissue.

Figure 5 Plain computed tomography scanning and contrast enhancement of abdomen display thrombosis in the trunk of portal vein and its intrahepatic branches, the superior mesenteric vein and the splenic vein.