Retrospective Study of the Growth of Gastric Cancer which was Observed by Endoscopy from the View Point of the Macroscopic Features Takeshi Hagiwara 1 , Akimich Imamura 1 , Masayuki Nakanowatari 1 , Takuma Hoshino 1 , Hidetoshi Yoshida 1 , Atsushi Michigami 1 , Yuuichi Shimodate 1 , Yohei Terakado 1 , Hajime Suzuki 1 , Hidehisa Ogawa 1 , Syuuhei Watanabe 1 , Hitoshi Nishioka 1 , Hiroshi Kozawa 1 , Satoshi Maeda 1 , Sei Kurokawa 1 , Satoshi Motoya 1 1Department of Gastroenterology, Sapporo Kosei General Hospital, Sapporo, Japan Keyword: 胃癌発育 , 内視鏡経過例 , 肉眼分類 , 遡及的検討 pp.1723-1733
Published Date 2008/11/25
DOI https://doi.org/10.11477/mf.1403101510
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 The initial macroscopic features that should be detected as early cancer were investigated in 54 lesions in 53 cases in a retrospective study. These 54 lesions were categorized as protruded, excavated, and ulcer type to study their time-dependent changes. In the protruded type, deep invasion was rare and side invasion had slow progression. The rate of deep invasion varied in the excavated type, and therefore initial estimation of the rate was difficult. In ulcer type, the rate of deep invasion also varied and did not show a constant trend.

 The various growths of early gastric cancer and patient factors should be considered when planning a treatment schedule, and endoscopic examination on initial macroscopic features is essential to reduce the likelihood of missing lesions.

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