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作者单位:Yoshifumi Nakayama (1) (2) Aiichirou Higure (1) Kazunori Shibao (1) Nagahiro Sato (1) (2) Nobutaka Matayoshi (1) Koji Yamaguchi (1)
1. Department of Surgery 1, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahata-nishi-ku, Kitakyushu, 807-8555, Japan 2. Department of Gastroenterological and General Surgery, Wakamatsu Hospital of University of Occupational and Environmental Health, 1-17-1 Hamamachi, Wakamatsu-ku, Kitakyushu, 808-0024, Japan
文摘
This report describes a patient with early neuroendocrine carcinoma (NEC) and tubular adenocarcinoma in the stomach. A 74-year-old Japanese male experienced epigastralgia. Endoscopic examination revealed two small lesions; one was an elevated lesion with ulceration at the posterior wall of the pre-pylorus and the other was a depressed lesion at the greater curvature of the antrum. Pathological diagnosis of the biopsies indicated poorly differentiated adenocarcinoma from the lesion on the pre-pylorus and well differentiated adenocarcinoma from the lesion on the antrum. He was referred to the surgical outpatient clinic with early double cancer of the stomach. A distal partial gastrectomy with lymph node dissection was performed. A histopathological examination revealed NEC at the lesion on the pre-pylorus and well differentiated tubular adenocarcinoma at the lesion on the antrum. These two lesions were completely separate from each other. Therefore, this case is thought to demonstrate the synchronous occurrence of early NEC and tubular adenocarcinoma in the stomach.