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英文誌(2004-)

Journal of Medical Ultrasonics

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1985 - Vol.12

Vol.12 No.03

Original Article(原著)

(0207 - 0214)

食道癌に対する内視鏡的超音波検査の検討

Study of Endoscopic Ultrasonography for Esophageal Carcinoma

久米川 啓, 村田 洋子, 秋本 伸, 吉田 操, 遠藤 光夫

Hajime KUMEGAWA, Yoko MURATA, Shin AKIMOTO, Misao YOSHIDA, Mitsuo ENDO

東京女子医科大学消化器病センター外科

Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical College

キーワード : Esophageal carcinoma, Endoscopic ultrasonography, Mediastinal ultrasonography, E.U.S.

 We have performed endoscopic ultrasonography (E.U.S.) to diagnose the esophageal carcinoma especially about its mural invasion and its lymph nodes involvement.
 The ultrasonography for the resected specimens in the water tub delineated the esophageal wall as five or seven layers. In the clinical E.U.S., the normal esophageal wall was delineated as three or five layers and the thick hypoechoic layer corresponded to the proper muscular layer. The superficial type of esophageal cancer was demonstrated as the thickness of the wall, and the diagnosis for the depth of invasion was possible. The advanced cancers were clearly demonstrable and the diagnosis for the direct invasion to the adjacent organs were also possible. The overall accuracy of the diagnosis for the depth of invasion was 70%. The lymph nodes were seen clearly and the overall accuracy of the lymph node metastasis showed 88%.