Japanese

Endoscopic Ultrasonography for Diagnosis of Infiltration Depth of Elevated Esophageal Cancer Ryu Ishihara 1 , Kengo Nagai 1 , Noboru Hanaoka 1 , Takeshi Yamashina 1 , Noriko Matsuura 1 , Takashi Ito 1 , Fumi Matsui 1 , Mototsugu Fujii 1 , Sachiko Yamamoto 1 , Yoji Takeuchi 1 , Koji Higashino 1 , Noriya Uedo 1 , Hiroyasu Iishi 1 , Yasuhiko Tomita 2 1Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan 2Department of Pathology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan Keyword: 食道癌 , 超音波内視鏡 , NBI , 拡大内視鏡 , 日本食道学会分類 pp.347-354
Published Date 2013/3/25
DOI https://doi.org/10.11477/mf.1403113749
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 The diagnosis of tumor infiltration depth is crucial for selecting the optimal treatment strategy for esophageal cancer. Infiltration depth of esophageal cancer is usually predicted by conventional endoscopy, magnified endoscopy, ultrasonography and Barium study. Conventional endoscopy and magnified endoscopy are commonly used for prediction of infiltration depth of flat esophageal cancer. For elevated esophageal cancer, which may have submucosal invasion, ultrasonography provides useful information for the diagnosis of infiltration depth. The esophageal wall is usually divided into nine layers by using a high frequency miniature probe. Diagnosis of MM/SM1 cancer is made when the third layer is irregular or absent in the tumor echo and that of SM2/SM3 cancer is made when the fourth and fifth layers are irregular or absent in the tumor echo.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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