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Follow-up Examination of Superficial Type Colorectal Tumors after Endoscopic Resection Shin-ei Kudo 1 1Gastrointesinal Center, Akita Red Cross Hospital Keyword: 表面型大腸腫瘍 , 陥凹型早期大腸癌 , 内視鏡治療 pp.533-540
Published Date 1993/5/25
DOI https://doi.org/10.11477/mf.1403106166
  • Abstract
  • Look Inside

 We retrospectively examined the course of superficial type colorectal tumors after endoscopic resection. Subjects of the study were 145 cases of superficial type colorectal tumors (Ⅱa, Ⅱb, Ⅱc, Ⅱc+Ⅱa, Ⅱa+Ⅱc), protruded type tumors (Ip, Ips, Is) and creeping tumors, which had been observed by follow-up colonoscopy in our hospital over four times after endoscopic resection on the first colonoscopy.

 The result showed basically that the more colonoscopy were repeated, the fewer the number of detected tumors became. However, in spite of decrease of the rate of detection, flat and depressed type (Ⅱb, Ⅱc, Ⅱc+Ⅱa), Ⅱa+Ⅱc type and creeping type cancers were detected and resected on each follow-up colonoscopy. Although protruded type cancers disappeared after the third colonoscopy, superficial type and creeping type cancers were detected and resected even after the fourth colonoscopy. Depressed type cancers were unique in that other depressed type cancers which invaded the submucosal layer were found even on the fourth follow-up colonoscopy.

 This fact shows that careful observation on each colonoscopy is necessary to prevent overlooking the superficial type tumors, especially depressed type cancers, however often it is repeated.


Copyright © 1993, 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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