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Multiple Primary Malignant Neoplasms in Patients Treated with Definitive Chemo-radiotherapy for Esophageal Cancer Keishi Yamashita 1 , Manabu Muto 1 , Atsushi Ohtsu 1 1Division of Gastrointestinal Oncology and Endo- scopy, National Cancer Center Hospital East Keyword: 食道癌 , 放射線化学療法 , 他臓器重複癌 , 胃癌 , 頭頸部癌 pp.307-315
Published Date 2003/3/25
DOI https://doi.org/10.11477/mf.1403100879

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  • Abstract
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 We reviewed our clinical experiences of chemoradiotherapy (CRT) for esophageal cancer (EC) in 44 patients with multiple primary malignant neoplasms. Among them, 34 were accompanied with synchronous tumors, 8 were accompanied with antecedent tumors and 8 with subsequent tumors. The sites of primary malignant neoplasms were as follows ; stomach 24 (43.6%), head and neck 17 (30.9%), colon and rectum 4 (7.3%). Among the 19 patients with synchronous cancer in the stomach, 6 patients underwent gastrectomy or endoscopic mucosal resection before CRT, and the others received definitive CRT as initial treatment. While 5 patients were alive without recurrence of EC and gastric cancer, more than half of the patients died of EC. Among 11 patients with head and neck cancer (HNC), 9 patients underwent surgery for HNC before CRT, because the clinical stages of the HNC was more progressive than that of EC. Only 3 patients achieved complete cure of both EC and HNC. The number of patients who developed subsequent tumors after CRT for EC was too small for us to draw definitive conclusions from our discussion, so further long-term follow-up and analysis based on large-scale surveys are required. Although CRT has become one of the standard treatments for EC, there is no treatment strategy for patients with both EC and other malignant primary neoplasms. Our results suggest that we should consider the curability of EC by CRT when we treat such patients.


Copyright © 2003, 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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