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Macroscopic Type of Early Gastric Cancer, Type 0 I and Type 0 IIa Cancer Keita Nakahara 1 , Yasutomo Watanabe 1 , Yoshitaka Tamiya 2 , Osamu Serikawa 3 , Ken Kominato 4 , Ken Matsuo 1 , Hiroshi Kawano 1 , Osamu Tsuruta 1 , Michio Sata 1 , Kikuo Kohfuji 5 , Jun Akiba 6 , Hideo Tateishi 7 , Susumu Maekawa 8 1Division of Gastroenterology, Department of Internal Medicine, Kurume University School of Medicine, Fukuoka, Japan 2Department of Internal Medicine, Omuta City General Hospital, Fukuoka, Japan 3Serikawa Clinic, Kumamoto, Japan 4Institute of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan 5Department of Surgery, Kurume University School of Medicine, Fukuoka, Japan 6Department of Pathology, School of Medicine, Kurume University, Kurume, Japan 7Internal Medicine Yame General Hospital, Yame, Japan 8Edagawa Clinic, Kakogawa, Japan Keyword: 早期胃癌 , 肉眼型 , 隆起型 , 0 I型 , 0 IIa型 pp.507-521
Published Date 2009/4/24
DOI https://doi.org/10.11477/mf.1403101624
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 One difference between type 0 I and 0 IIa in the macroscopic type classification of early gastric cancers is the height of protruded lesions. Type 0 IIa cancers are less than 2 times the height of normal gastric mucosa, and the height of histological protruded lesions separates the above from type 0 I. Most of the histological type of protruded lesions are differentiated type carcinoma. Points for a clinical diagnosis are the form and outline of protruded lesions, the border, the shape of the basal part, height, surface pattern and color.

 As clinico-pathological characteristics, type 0 IIa cancers present tubular adenocarcinomas and Type 0 I present papirally adenocarcinomas.  In cases of Type 0 I cancers, attention was necessary for submucosal invasion, and, in the case of type 0 IIa cancers, attention was necessary for lymphnode metastasis.  We use technically high grade radiographic and endoscopic examination because it is necessary to make an accurate diagnosis and pursuer appropriate treatment.


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

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