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英文誌(2004-)

Journal of Medical Ultrasonics

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1986 - Vol.13

Vol.13 No.02

Original Article(原著)

(0091 - 0099)

超音波による胃癌の深達度診断

A Study of the Ultrasonographic Diagnosis on Depth of Gastric Cancer Invasion

大門 秀光1, 原口 修1, 川原 文次1, 須古 博信2, 奥村 由美子1, 由解 公子1, 田中 智1, 岩木 由紀子3

Hidemitsu OHKADO1, Osamu HARAGUCHI1, Fumitsugu KAWAHARA1, Hironobu SUKO2, Yumiko OKUMURA1, Kimiko YUGE1, Satoshi TANAKA1, Yukiko IWAKI3

1 , 2済生会熊本病院消化器科, 3済生会熊本病院臨床検査部

1 , 2Department of Gastroenterology, Saiseikai Kumamoto Hospital, 3Clinical Laboratory, Saiseikai Kumamoto Hospital

キーワード : Depth of invasion, Gastric cancer, Fibrosis, Ulceration, Ultrasonography

 We performed ultrasonographic diagnoses on depth of invasion in 61 cases with gastric cancer (20 with early gastric cancer, 41 with advanced gastric cancer). Mean accuracy rate on depth of invasion was 72.1%, 40% in early gastric cancer, 87.4% in advanced gastric cancer. In case of early gastric cancer, the diagnosis was rather difficult.
 In this study we could point out two main factors that make the diagnosis difficult, one is the location of the gastric lesion, the other is the fibrosis or ulceration. Five layers structure becomes unclear at the lesser or greater curvature of the stomach, therefore the thickness of the gastric wall may give some diagnostic information for determining the depth of invasion. Invasive area of gastric cancer and fibrosis with ulceration show similar hypoechoic pattern, so it is difficult to differentiate each other.