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ROENTGEN FEATURES OF CANCER OF THE BILIARY SYSTEM ON THE EXAMINATION OF THE UPPER GASTROINTESTINAL TRACT Michio Yamasaki 1 1Department of Radiology, Niigata University, School of Medicine pp.1439-1446
Published Date 1969/11/25
DOI https://doi.org/10.11477/mf.1403110925
  • Abstract
  • Look Inside

 Frequently are overlooked the changes in the stomach and duodenum resulting from cancer of the gallbladdder or the common duct, although those from pancreatic cancer are well known.

 Films of the upper GI-tract were retrospectively observed in 16 cases of carcinoma of the common duct and 14 cases of carcinoma of the gallbladder proved histologically as such.

 The area most affected by carcinoma of the biliary tract is the first portion of the duodenum, that is, from the apex to the superior flex This segment is usually elongated, compressed and infiltrated by biliary malignancy on its superior and lateral aspects. The duodenal cap frequently shows a peaked configuration with flattening on the lateral aspect. The elongated post-apical portion of the duodenum is displaced somewhat medially so that it lies directly behind the duodenal cap. In contrast to carcinoma of the pancreas, the lateral or the anterior aspect of the first portion of the duodenum is involved rather than the medial or the posterior aspect. These changes are well demonstrated on the right anterior oblique or right lateral projection.

 Diagnosis of carcinoma of the biliary system is generally fairly difiicult both clinically and roentgenologically. However, roentgenologic changes described above, if present, may in the majority of cases often lead to a correct diagnosis.


Copyright © 1969, 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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