Japanese

Superficial Esophageal Squamous Cell Carcinoma Diagnosed Using Magnified Endoscopy with Narrow Band Imaging Tsuneo Oyama 1 , Akiko Takahashi 1 , Nobukazu Yorimitsu 1 1Department of Endoscopy, Saku Central Hospital Advanced Care Center, Saku, Japan Keyword: 食道癌 , 食道扁平上皮癌 , 拡大内視鏡 , 食道学会分類 pp.555-563
Published Date 2016/5/24
DOI https://doi.org/10.11477/mf.1403200614
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 A new system of magnified endoscopic classification of superficial esophageal squamous cell carcinoma was established by the Japan esophageal association. The micro vascular pattern was classified into B1, loop like vessels ; B2, non-loop vessels ; and B3, vessels that are three times or more thicker than B2. B1, B2, and B3 correspond to T1aEP or LPM, T1aMM or T1bSM1, and T1bSM2, respectively.

 Avascular area surrounded by B2 vessels was classified on the basis of their diameters into AVA-S(<0.5mm), M(0.5〜3mm), and L(≧3mm). The abovementioned classification system of the Japan esophageal association is a simple classification but is useful for the diagnosis of invasion depth.


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

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