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Japanese

Histopathologicai Study on the Pancreas Carcicoma: An Analytical Microscopical Study on Intra- and Extra- pancreatic Carcinoma Extension of Pancreas Carcinoma by Serial Section Method Y. Fukuda 1 , M. Sumida 2 , J. Ariyama 2 , K. Hashimoto 3 1The First Department of Pathology, school of Medicine, Juntendo University 2Department of Gastroenterology, school of Medicine, Juntendo University 3The Second Department of Pathology, school of Medicine, Juntendo University pp.627-635
Published Date 1980/6/25
DOI https://doi.org/10.11477/mf.1403106904
  • Abstract
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 Nineteen autopsy and five surgically resected cases of pancreas carcinoma were studied pathologically. Pancreas carcinoma were divided into abundant (F1), moderate (F2) and scanty (F3) fibrous stromal types. Most of the abundant fibrous stromal type carcinoma (F1) show well differentiated aclenocarcinoma. The scanty type (F3) consisted of poorly differentiated adenocarcinorna, undifferentiated and acleno-squamous cell carcinoma.

 F1 type uncinate, corpus and tail pancreas carcinoma was extended mainly along portal vein wall to hepat0-duodenal ligament and radix of rnesentery. All types of pancreas body and tail carcinoma had a tendency to extend externaliy to stomach, colon and retroperitoneum. Some cases of F3 type of pancreas head carcinoma, over 6cm in diameter, showed no external carcinoma infiltration. lntrapancreatic continuous carcinoma extension was intralobuiar and interlobuiar. Intrapancreatic lymphogenous carcinoma extension was also seen. Intraductal carcinoma extension was seen mainly in F1 type well differentiated aclenocarcinoma.

 Microscopical carcinomatous extension of the small pancreas carcinoma was almost same carcinomatous extension shown macroscopically. Even small pancreas carcinoma, under 2 cm in diameter, was not resectable depending on the location of the carcinoma. All cases of resectable small pancreas carcinoma showed F1 type carcinoma, carcinomatous stenosis or sion of main pancreatic duct and no liver metastasis.

 Pancreas head carcinoma showed prominent carcinomatous biliary duct infiltration, capsuiar infiltration and iymphogenous metastasis.


Copyright © 1980, 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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