Japanese

Ⅱc Type Early Gastric Cancer with Marked Nodularity of the Base, Report of a Case Masashi Ueno 1 1Department of Surgery, Cancer Institune Hospital Keyword: Ⅱc型早期胃癌 , 深達度診断 pp.461-465
Published Date 1991/4/25
DOI https://doi.org/10.11477/mf.1403102520
  • Abstract
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 We report here 65-year-old female with a lesion of type Ⅱc early gastric cancer, the base of which had nodularity of various sizes.Histological examination revealed adenocarcinoma mucocellulare with infiltration to submucosal layer of a discolored nodule of the floor.

 Generally speaking, differentiation between mucosal and submucosal cancers poses an important problem.In type Ⅱc early gastric cancer, sm invasion is indicated by such signs as drumstick formation, fusion and nodularity of converging folds at the border of depression.When limited to the depressed area of the mucosa, however, sm invasion is indicated only by nodular change and stiffness of the base.On the other hand, mucosal surface irregularities are common in Ⅱc base, especially in undifferentiated adenocarcinoma.Thus, it is necessary to distinguish nodularity due to sm invasion from that due to other causes, such as regenerative mucosa, residual normal mucosa and fibrosis of ulcer scar.The findings obtained to date indicate that it is important to make careful observation for nodularity in Ⅱc base in diagnosing depth of invasion in Ⅱc type early gastric cancer.


Copyright © 1991, 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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