Japanese

Studies on Is Type Colon Cancer with Submucosal Invasion Concerning Usefulness of Growth Type Classification by Pit Patterns Osamu Tsuruta 1,2 , Hiroshi Kawano 1,2 , Mitsutake Fujita 1,2 , Yuuichiroh Tsuji 1,2 , Atsushi Toyonaga 1,2 1The Second Department of Internal Medicine 2Division of Gastroenterology, Kurume University, Faculty of Medicine Keyword: 大腸sm癌 , sm浸潤度 , polypoid癌 , non-polypoid癌 , pit pattern pp.1451-1459
Published Date 1997/10/25
DOI https://doi.org/10.11477/mf.1403105221
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 Fifty-one colon cancers of Is type with submucosal (sm) invasion were divided into two types of polypoid growth (PG) and non-polypoid growth (NPG) by stereomicroscopic pit patterns and were studied on histopathological factors in relation to degree of sm invasion. Results were summarized as follows: (1) Lesions showing Is type with NPG have massive sm invasion (sm2, sm3), (2) The desmoplastic reaction (DR) located in the surface layer of NPG lesion was correlated to the degree of sm invasion, (3) The average size of NPG lesion of sm2, and that of sm3 were significantly different, (4) There were no histopathological factors in relation to degree of invasion among PG lesions. Clinically, ordinary endoscopic examination could distinguish PG from NPG by pit patterns and measure the size of lesions. The DR in the surface layer could be recognized by the presence of VA pit pattern under magnifying endoscopic observation.


Copyright © 1997, 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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