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lüll Magnifying chromoscopy, a novel and useful technique for colonoscopy in ulcerative colitis Ando T; Takahashi H; Watanabe O; Maeda O; Ishiguro K; Ishikawa D; Hasegawa M; Ohmiya N; Niwa Y; Goto HWorld J Gastroenterol 2007[May]; 13 (18): 2523-8Ulcerative colitis (UC) is a chronic inflammatory bowel disorder characterized by exacerbations and remissions. The degree of inflammation as assessed by conventional colonoscopy is a reliable parameter of disease activity. However, even when conventional colonoscopy suggests remission and normal mucosal findings, microscopic abnormalities may persist, and relapse may occur later. Patients with long-standing, extensive ulcerative colitis have an increased risk of developing colorectal cancer. Ulcerative colitis-associated colorectal cancer is characterized by an early age at onset, poorly differentiated tumor cells, mucinous carcinoma, and multiple lesions. Early detection of dysplasia and colitic cancer is thus a prerequisite for survival. A relatively new method, magnifying chromoscopy, is thought to be useful for the early detection and diagnosis of dysplasia and colitic cancer, as well as the prediction of relapse.|*Colonoscopes[MESH]|Colitis, Ulcerative/*pathology[MESH]|Colonoscopy/*methods[MESH]|Early Diagnosis[MESH]|Humans[MESH]|Recurrence[MESH] |