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Evaluation of the Clinical Response of Esophageal Squamous Cell Carcinoma Treated with Chemoradiotherapy(CRT) Keiko Minashi 1 , Atsushi Ohtsu 2 1Division of Digestive Endoscopy and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan 2Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan Keyword: 化学放射線療法 , CRT , 内視鏡的効果判定規準 , 原発巣CR , complete response pp.1828-1839
Published Date 2009/11/25
DOI https://doi.org/10.11477/mf.1403101797
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 Chemoradiotherapy has curative potential for the treatment of esophageal squamous cell carcinoma with organ preservation. A complete response(CR)of the primary lesion is considered an important surrogate marker for long-term survival. It is necessary to evaluate whether any cancerous lesion remains at the primary esophageal site. According to the Guidelines for the Clinical and Pathological Studies on Carcinoma of the Esophagus by The Japan Esophageal Society(10th edition), a CR at the primary site occurs when all of the following criteria are satisfied under endoscopic observation of the entire esophagus :(ⅰ)disappearance of the tumor lesion ;(ⅱ)disappearance of ulceration(slough); and(ⅲ)absence of cancer cells in biopsy specimens. If stenosis or esophagitis remains at the primary site, the evaluation must be repeated at appropriate times.


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

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