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Process of Radiographic Diagnosis of Invasive Depth―Accuracy in Superficial Depressed Type Gastric Carcinoma by Prospective Study Keita Nakahara 1 , Hideo Tateishi 1 , Osamu Tsuruta 1 , Yasutomo Watanabe 1 , Yoshitaka Tamiya 1 , Osamu Serikawa 1 , Ken Kominato 1 , Atsushi Toyonaga 1 , Michio Sata 1 , Jinryo Takeda 2 , Nobuyuki Arima 3 1Division of Gastroenterology, Department of Internal Medicine, Kurume University School of Medicine, Fukuoka, Japan 2Department of Surgery, Kurume University School of Medicine, Fukuoka, Japan 3Department of Pathology, Kumamoto Citizen Hospital, Kumamoto, Japan Keyword: 陥凹型胃癌 , 深達度診断 , 胃X線検査 , prospective study pp.1327-1343
Published Date 2006/8/25
DOI https://doi.org/10.11477/mf.1403100647
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 Aim : It is to clarify the process of radiographic diagnosis of invasive depth in gastric carcinoma by prospective study.

 Material and method : 440 superficial depressed type (cType 0) gastric carcinomas that were resected and for which histopathological studies had been completed. Radiographic findings were set to indicate deep cancer invasion, and preoperative diagnosis of invasive depth was regarded as cSM2~ when positive for two findings, but as cM~SM1 when negative. cUl(+) indicates the presence of converging folds or deep depression, cUl(-) indicates their non-presence.

 Results : (1) Detection accuracy of radiographic findings (poor study rate, positive or negative predictive value, sensitivity, specificity, and overall accuracy) : ① submucosal mass by double contrast method ; 5%, 80%, 80%, 60%, 91%, 80%. ② sclerotic appearance by air regulation ; 7%, 83%, 81%, 63%, 93%, 82%. ③ irregular elevated transformation by a side image ; 18%, 90%, 79%, 56%, 96%, 81%. ④ submucosal mass by the compression method ; 16%, 75%, 83%, 64%, 89%, 81%. ⑤ sclerotic irregular mass by compression regulation ; 18%, 88%, 81%, 56%, 96%, 82%.

 (2) Diagnostic accuracy of invasive depth : cSM2~when positive for one finding ; 70%, 90%, 84%, 79%, 81%. Two findings or more ; 87%, 89%, 81%, 93%, 88%. Three findings or more ; 90%, 79%, 56%, 96%, 81%.

 (3) As for the lesions associated ulceration : cUl(-) lesions ; pSM2~ rate 17%, 85%, 96%, 82%, 97%, 94% . cUl(+) lesions ; pSM2~ rate 52%, 87%, 87%, 80%, 87%, 84%.

 Conclusion : Usefulness of radiographic diagnosis of invasive depth in cType 0 gastric carcinoma is confirmed. But more diagnostic accuracy is required in the cUl(+) lesions.


Copyright © 2006, 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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