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A Comparison between Endoscopic Ultrasonography and Histology of Gastric Ulcer in the Resected Stomach Rintaro Narisawa 1 , Yoshikazu Yanagisawa 1 , Minoru Abe 1 , Nobuhiro Akiyama 1 , Mitsuru Togashi 1 1The Third Department of Internal Medicine, Niigata University School of Medicine 2The First Department of Pathology, Niigata University School of Medicine pp.487-494
Published Date 1988/5/25
DOI https://doi.org/10.11477/mf.1403108120
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 We tried to analyze the structure of gastric ulcers by endoscopic ultrasonography (EUS) . In order to obtain a diagnostic standard, resected stomachs set up artificially in a natural position so that EUS could be performed on the open ulcers (Ul-Ⅱo, Ul-Ⅲo, and Ul-Ⅳo) within them. Diagnostic standard of healed ulcers (Ul-Ⅱs, Ul-Ⅲs, and Ul-Ⅳs) was based on established histological findings because of the impossibility of making healed ulcer models in the resected stomachs. EUS was performed in 31 resected stomachs with 41 peptic ulcers and the diagnoses by EUS were compared with histological findings. The diagnostic accuracy by EUS was 90% (18/20) in guaging depth of open ulcers, and 71.4% (15/21) in that of healed ulcers. The misdiagnoses by EUS resulted from obscure layer structure, especially the outer low echoic layer. It also arose in cases of fibrosis in the muscularis propria, and from the difficulty of detecting all of the layers.


Copyright © 1988, 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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