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Growth and Extention of Carcinoma of the Gallbladder Katsuyuki Uchida 1 , Hidenobu Watanabe 1 , Yoichi Ajioka 1 1The First Department of Pathology, Niigata University, School of Medicine pp.511-521
Published Date 1987/5/25
DOI https://doi.org/10.11477/mf.1403112834
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 Characteristics of growth and extention of carcinoma of the gallbladder were histopathologically examined using 67 early carcinomas and 106 advanced carcinomas which had all been surgically resected.

 Macroscopic type, growth pattern and number of the carcinomas were shown in Table 2 and 3. Diffusely infiltrating growth pattern in the wall was most common in the advanced carcinomas even though they were well to moderately differentiated adenocarcinoma.

 The growth pattern was made up of multifocal direct invasion from the mucosa to the subserosa and of both lymphatic permeation and tissue-space spreading in the subserosa.

 Out of 18 foci of minute invasion, five (28%) indicated a microscopic stromal invasion of the subserosa through a Rokitansky-Aschoff sinus of the subserosa, and the remaining revealed continuous direct invasion to the subserosa from the mucosa.

 Advanced carcinoma of the gallbladder seems to be formed from early carcinoma by two different routes. Ratio of cancer-area in the mucosa to that in the subserosa was much different at the mucosal area of 15 cm2 of both nodular carcinoma (Fig. 3) and flat carcinoma (Fig. 4). So both types of advanced carcinomas seem to be formed by two different routes; “deeply invading type or penetrating type” or “superficial spreading type or superficial type” of early carcinoma, which are common in gastric carcinomas.


Copyright © 1987, Igaku-Shoin Ltd. All rights reserved.

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

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