Japanese

Pit Pattern Diagnosis for Colitic Cancer and Dysplasia in Ulcerative Colitis Patients Ichiro Hirata 1 , Mitsuyuki Murano 2 , Takashi Izumiya 3 , Ken Toshina 2 , Hiroshi Fujita 1 , Makoto Watanabe 1 1Department of Gastroenterology, Fujita Health University, Toyoake, Japan 2Department of Gastroenterology, Osaka Medical College, Takatsuki, Japan 3Department of Gastroenterology, Nogami Hospital, Osaka, Japan Keyword: colitic cancer , dysplasia , 拡大内視鏡 , pit pattern , 潰瘍性大腸炎 pp.843-848
Published Date 2007/4/26
DOI https://doi.org/10.11477/mf.1403101095
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 The ordinary surveillance colonoscopy with multiple random biopsies recently has been thought to be ineffective, because the detectability of cancer or dysplasia is quite low for numerous biopsies. Therefore, other surveillance way is thought to be necessary. We have tried to analyze pit pattern of ulcerative colitis-associated cancer and dysplasia using chromo-and magnifying colonoscopy. Consequently13cases with dysplasia or colon cancer had been detected.

 The pit pattern of colitic cancer are mainly VI(85.7%), VN(28.6%)and IV(28.6%). The pit pattern of dysplasia are mainly IV(100%), IIIL(41.6%)and VI(41.6%). There is no tendency of the pit pattern among LGD and HGD.


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

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