Assessment of Disease Activity for Ulcerative Colitis Depends on Magnifying Endoscopic Findings Using Narrow Band Imaging Kenji Watanabe 1,2 , Nobuyuki Hida 2 , Takako Miyazaki 2 , Ayako Fujimori 2 , Ryoji Koshiba 2 , Koji Fujimoto 2 , Toshiyuki Sato 2 , Yuko Kita 2 , Mikio Kawai 1,2 , Koji Kamikozuru 2 , Tetsuya Takagawa 1,2 , Yoko Yokoyama 2 , Shiro Nakamura 1,2 1Division of Internal Medicine, Department of Inflammatory Bowel Disease, Hyogo College of Medicine, Nishinomiya, Japan 2Department of Intestinal Inflammation Research, Hyogo College of Medicine, Nishinomiya, Japan Keyword: 潰瘍性大腸炎 , NBI , narrow band imaging , 拡大内視鏡 , 粘膜治癒 , 活動性 pp.177-181
Published Date 2018/2/25
DOI https://doi.org/10.11477/mf.1403201281
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 Magnifying endoscopic findings using NBI(narrow band imaging)for microvascular pattern provide additional information compared with conventional white-light observation to assess the disease activity in patients with UC(ulcerative colitis). The appearance of honey-comb structure by magnifying NBI observation was found in the mucosa that achieved complete mucosal healing. There are few reports on investigations that depend on the classification of findings using magnifying NBI observations except honey-comb structure. Some previous studies reported a correlation between magnifying NBI observation and histological activity because magnifying NBI observation is“pin-point”observation. However, the pathological characteristic of UC is diffuse, wide-spread, inflammation. The issue regarding how the“pin-point”observed area takes responsibility for the activity of the whole colon remains important in this field.

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