Japanese

Magnifying NBI Colonoscopic Findings in Ulcerative Colitis Takayuki Matsumoto 1 , Tetsuji Kudo 1 , Takashi Yao 2 , Mitsuo Iida 1 1Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan 2Department of Pathelogy, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan Keyword: narrow band imaging(NBI)内視鏡 , 拡大内視鏡 , 潰瘍性大腸炎 pp.877-881
Published Date 2007/4/26
DOI https://doi.org/10.11477/mf.1403101101
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 It is suggested that narrow-band imaging(NBI)colonoscopy can complement conventional colonoscopy for the assessment of severity in ulcerative colitis(UC). In the active mucosa, NBI colonoscopy depicts friability as a black area. In addition, crypt openings and villous structure become evident through the procedure. In the inactive mucosa, there are two types of mucosal vascular pattern(MVP) ; one being composed of deep, green vessels and superficial, black vessels, and the other lacking in superficial vessels. When coupled with a magnifying instrument, the active mucosa can be classified into the mucosa with obvious crypt openings and that with villous structure. MVP in the inactive mucosa is depicted as a honey-comb-like structure or irregular, tortuous structure under magnifying NBI colonoscopy. Furthermore, flat, dysplastic lesions in UC are characterized by tortuous structure under NBI. It is thus suggest that NBI colonoscopy may be a value for the assessment of histologic severity and for cancer surveillance in UC.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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