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Endoscopic Differential Diagnosis of Colorectal Nonepithelial Neoplastic Polyps Makoto Sanomura 1 , Tatsuaki Yamada 1 , Sayaka Tsuji 1 , Mao Tominaga 1 , Nanako Matsuo 1 , Naokuni Sakiyama 1 , Hitoshi Nishitani 1 , Naoki Asayama 2 , Shinji Nagata 2 , Kei Nakazawa 3 , Ken Kawakami 3 , Kiyoshi Ogiso 4 , Seiji Shimizu 5 , Hatsue Ishibashi-Ueda 6 , Yoshinobu Hirose 7 , Hiroki Nishikawa 3 1Department of Gastroenterology, Hokusetsu General Hospital, Takatsuki, Japan 2Department of Gastroenterology/Endoscopy, Hiroshima City North Medical Center Asa Citizens Hospital, Hiroshima, Japan 3Second Department of Internal Medicine, Osaka Medical and Pharmaceutical University, Takatsuki, Japan 4Department of Gastroenterology, Kyoto Chubu Medical Center, Nantan, Japan 5Department of Gastroenterology, Osaka General Hospital of West Japan Railway Company, Osaka, Japan 6Department of Pathology, Hokusetsu General Hospital, Takatsuki, Japan 7Department of Pathology, Osaka Medical and Pharmaceutical University, Takatsuki, Japan Keyword: 大腸ポリープ , 非上皮性ポリープ , 粘膜下腫瘍 , 内視鏡診断 , 拡張血管 pp.197-210
Published Date 2024/2/25
DOI https://doi.org/10.11477/mf.1403203471
  • Abstract
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 The key points for the endoscopic diagnosis of colorectal nonepithelial neoplastic polyps are as follows:consider the site and number of lesions, estimate the localization of the lesion based on its size and border, evaluate the mucosal surface and assess endoscopic ultrasonography findings, evaluate the hardness of the lesion using a bioptome, draw inferences regarding the current disease based on the characteristic coloration, observe the surface texture, clear/opaque borders, and the presence of depressions/ulcers/erosions, and evaluate any exposed tumor tissue using magnifying colonoscopy. Furthermore, the observation of “dilated vessels with no irregularities” in the superficial layer of submucosal tumor-like lesions in the colorectum may assist in reaching an endoscopic diagnosis.


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

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