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Policy of Treatment for pm Cancer of the Rectum According to Preoperative Diagnosis Shigeo Ohki 1 , Hiroshi Shimada 1 1The Second Department of Surgery, Yokohama City University Schppl of Medicine Keyword: 直腸pm癌 , 自律神経温存手術 pp.1309-1313
Published Date 1992/11/25
DOI https://doi.org/10.11477/mf.1403110066
  • Abstract
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 Recently, depth of invasion and lymph node metastasis of rectal cancer are diagnosed by CT, MRI and intrarectal ultrasonography before operation. According to the preoperative diagnosis, policy of treatment for intramuscular (pm) cancer of the rectum is discussed here.

 Five-year survival rate of pm cancer patients without lymph node metastasis located in the rectosigmoid, the upper rectum and the lower rectum whose pathological diagnosis are well-differentiated adenocarcinoma is 96.5%. This excellent result indicates that this group of pm cancer is suitable for autonomic nerve preserving operation in order to maintain the postoperative bladder function and the male sexual function.

 On the other hand, 5-year survival rates of pm cancer patients with lymph node metastasis, pm cancer whose pathological diagnosis is moderately-differentiated adenocarcinoma and pm cancer located in the anus are 58.7%, 75.8% and 83.5%, respectively. These groups of cancer are appropriate for extended radical resection of the rectum with lateral lymph node dissection.


Copyright © 1992, 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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