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The Correlation between the Histologic Architectures and Growth Patterns of the Superficial Esophageal Carcinoma Takashi Yao 1 , Katsuya Hirakawa 2 , Masafumi Oya 3 , Akinori Iwashita 4 , Masazumi Tsuneyoshi 1 1Department of Anatomic Pathology, Kyushu University 2Department of Medical and Clinical Science Graduate School of Medical Sciences, Kyushu University 3Institute of Pathology, Matsuyama Red Cross Hospital 4Department of Pathology, Fukuoka University Chikushi Hospital Keyword: 食道癌 , 早期癌 , 発育進展 pp.495-502
Published Date 2000/3/25
DOI https://doi.org/10.11477/mf.1403104664
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 We analyzed the histologic architectures of superficial esophageal carcinomas, and considered their growth patterns. Forty-eight cases with 56 lesions were selected for this study, all of which were confined to the mucosa and submucosal layers of the esophageal walls. The proliferative patterns within the mucosa were classified into two ; basal- and whole thicknesstypes. The thickness of the non-invasive mucosa components were classified into three ; thin-, flat-, and thick-types. The correlation between the histologic architectures and clinicopathologic factors was investigated. The following hypothesis could be considered. In the earliest stage, the carcinomas arise at the basal layer of the mucosa (0-IIb type) . Next, they involve the whole thickness of the mucosa, thinning the mucosal component (0-IIc type) or thickening the mucosal component (0-IIa type) . Thirdly, most of them invade the submucosa at the area of whole thickness involvement and thickening components. When they are ulcerated, they develop into 0-III or 2 type. When they mainly grow beneath the mucosa, they form a polypoid mass (0-I type) .


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

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