Differential diagnosis of colorectal cancer (a) Schistosomiasis
Intestine can produce a narrow ring, the edge can be smooth or irregular, can also form a cauliflower or a polypoid filling defects, and cancer not easy to identify. Most patients had more extensive colonic lesions, similar to ulcerative colitis.
(B) granulomatous colitis CCrohn mid-disease) a rare, 80% had small intestinal disease , and often multiple lesions exist, was jumping distribution; ileocecal lesions often involved the terminal ileum. Mucosa with longitudinal ulcers and transverse cracks, was cobblestone. Lesions were eccentric, a relatively rigid wall narrow, late colon can be shortened.
Differential diagnosis of colorectal cancer (c) intestinal tuberculosis
Ileocecal intestinal tuberculosis is a good site, need to identify with ileocecal carcinoid. Ileocecal cancer X-ray for the filling defect and damage to mucosal folds; lesions most limited, clear boundaries. TB mucosal ulcer was manifested as stolen, and often involved the cecum and ileum, with a clear bowel spasm, resulting in jumps. Proliferative nodules of granulation tissue and submucosa fibrosis can wall thickening, luminal narrowing, shortening, shortening the cecum to mention; the lesion and the normal intestinal unclear boundaries, and gradually transitional, boundaries do not completely cancer.
(D) malignant lymphoma
Primary malignant lymphoma of the colon is not common, can occur at any age; most common in the cecum, time for the rectum, transverse colon and sigmoid colon. X-ray and cancer can not be identified.
Differential diagnosis of colorectal cancer (e) appendix tumor
Appendix abscess, mucocele, inflammation and cancer can be so close to the cecum wall was filling defects or varying degrees of displacement or oppression. Sometimes the root and sets the appendix into the cecum after surgery, the tumor may also produce similar protruded lesions.
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