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HISTOPATHOLOGICAL CONSIDERATIONS ON THE DEVELOPMENT OF GASTRIC CANCER FROM EARLY INTO ADVANCED ONE Hisazo Kitaoka 1 1Dept. of Surgery, National Cancer Center Hospital pp.15-23
Published Date 1970/1/25
DOI https://doi.org/10.11477/mf.1403111156
  • Abstract
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 Histopathologically two types of gastric carcinoma are classified: with or without coexisting ulcer (mainly protruding type). Accepting the hypothesis of the progress of ‘early' gastric cancer to advanced tumor, the authors have divided polypoid cancer into the protruding type (pedunculated and sessile type) and deep invasive type (elevated plateau type, doughnut type) estimated by the behavior of the muscularis mucosae.

 Type 1 in early gastric cancer and Borrmann's type 1 in advanced cancer are mainly of the protruding type. Type Ⅱa and Ⅱa+Ⅱc in the early stage and Borrmann's type 2 and 3 in advanced stage belong to the deep invasive type. Accordingly, type 1 may be transformed into Borrmann's type 1 tumor, while type Ⅱa and Ⅱa+Ⅱc may proceed to Borrmann's type 2 or 3 tumor.

 In early gastric cancer in which the coexistence of ulcer within the lesion is confirmed, the depth of ulcer is deeper in type Ⅲ cancer than in Type Ⅱc.

 In advanced cancer, the depth of ulcer is deeper among the Borrmann's type 2 tumors than in Borrmann's type 3.

 By the same token, type Ⅲ of early gastric cancer may be transformed into Borrmann 2 type tumor in which the coexisting ulcer is usually deeper (Ul-4) and type Ⅱc may proceed to Borrmann's type 3 in which the ulceration is usually shallower (Ul-2, 3).

 The predecessor of Borrmann's type 4 tumor may be type Ⅱc of early cancer associated with wide submucosal invasion (sm2 sm3) rather than development of superficial spreading type tumor.


Copyright © 1970, 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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