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Lymph Nodal Metastasis of m3, sm1 Esophageal Cancer Tsuneo Oyama 1 1Department of Gastroenterology and Surgery, Saku Central Hospital Keyword: M3 , SM1 , 食道表在癌 , 転移 , 予後 pp.71-74
Published Date 2002/1/25
DOI https://doi.org/10.11477/mf.1403103406
  • Abstract
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 Endoscopic mucosal resection (EMR) is the first choice of treatment for esophageal mucosal cancer, while esophagectomy is selected for submucosally invaded esophageal cancer. But, the incidence of lymph nodal metastasis of m3, sm1 esophageal cancer is between 7~20% of such cancers.

 To know whether a m3, sm1 cancer has lymph nodal metastasis or not before esophagectomy, 749 m3, sm1 cancers were discussed at the 46th Congress of Japanese Research Society for Early Esophageal Cancer and Chromoendoscopy.

 Result:  Incidence of lymph nodal metastasis of esophageal squamous cell carcinoma is 9.3% in m3 and 19.6% in sm1. Incidence of lymph nodal metastasis was high among the groups that included the 0-Ⅰ and 0-Ⅲ types, those 50 mm or more in size, those with poorly differential SCC, lymphatic permeation and venous permeation.

 Incidence of lymph nodal metastasis was 4.2% in the group that has none of those risk factors. So, EMR can be selected for such patients.


Copyright © 2002, Igaku-Shoin Ltd. All rights reserved.

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

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