Additional Lesions of Ulcerative Colitis and Crohn's Disease Kazuo Ohtsuka 1 , Kento Takenaka 1 , Yu Matsuzawa 1 , Yasuharu Maeda 2 , Noriyuki Ogata 2 , Seiko Hayashi 2 , Kiichiro Tsuchiya 1 , Yoshiki Wada 1 , Masayoshi Fukuda 1 , Masakazu Nagahori 1 , Eiko Saito 1 , Toshimitsu Fujii 1 , Katsuyoshi Matsuoka 1 , Shin-ei Kudo 2 , Mamoru Watanabe 1 1Department of Endoscopy, Tokyo Medical and Dental University, Tokyo 2Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan Keyword: NBI , endocytoscopy , シングルバルーン内視鏡 , 竹の節状外観 , 腸石 pp.907-915
Published Date 2015/6/25
DOI https://doi.org/10.11477/mf.1403200346
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 The widespread use of BAE(balloon-assisted endoscopy)and image-enhanced endoscopy, such as magnified colonoscopy and NBI(narrow band imaging), enables observing new findings in inflammatory bowel disease.

 In UC(ulcerative colitis), EC(endocytoscopy)is useful for assessing mucosal healing. Findings using EC with NBI also correlate to the histological findings. A case of backwash ileitis that spreads from the ileocecal valve to the ileum in pancolitis-type UC is presented.

 There are some additional findings, such as, irregular ulcer, oval ulcer, or aphtha associated with Crohn's disease. NBI is useful for detecting mild lesions. Erosions or ulcers with longitudinal tendency, bamboo joint-like appearance, pseudo-diverticula with longitudinal ulcer scarring, membranous stenosis treated using balloon dilation by BAE, ulcer bleeding, intestinal bezoar formed by stenosis, and fistula are also presented.

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