Schwannoma in the Sigmoid Colon. Report of a Case.
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概要
- 論文の詳細を見る
Schwann cell tumor occurring in the intestines is rare . A 68-year-old female came to our hospital because of hematemesis. Barium enema and colonoscopic examination revealed submucosal tumor in the sigmoid colon. Laboratory data showed mild anemia . No other abnormal finding was found in the blood chemistry. Tumor marker levels of carcinoembryonic antigen (CEA), CA19-9, alpha feto protein (AFP) and neuron specific enolase (NSE) were within normal limits. The exploratory laparotomy confirmed a large sigmoid colon tumor. She received sigmoid colectomy. The resected specimen was a submucosal tumor with central depression, measuring 4.7×3.5×3.0cm in size. The cut surface of the tumor was yellowish hue with necrosis. Histological examination showed spindle-shaped tumor cells with palisading comma-shaped nuclei and the nuclear pleomorphism. Immunohistochemical examination revealed that the tumor was positive for S-100 protein staining, and negative for Actin and for H.H.F. staining. These findings showed that this tumor was of Schwann cell origin. We report here the case in detail of a schwannoma in the sigmoid colon.
- 久留米大学医学部 The Kurume Medical Journal 編集部の論文
著者
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NAKASHIMA OSAMU
Department of Pathology and Research Center of Innovative Cancer Therapy of the 21st Century COE Pro
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Horiuchi Hiroyuki
Department Of Agricultural Chemistry The University Of Tokyo
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Tanaka Toshiaki
Department Of Applied Chemistry Tokyo Institute Of Technology
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Shirouzu Kazuo
Department Of Surgery Kurume University
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Sasatomi Teruo
Department Of Surgery Kurume University School Of Medicine
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NAKASHIMA OSAMU
Departments of Pathology, Kurume University School of Medicine
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TSUJI YOSHIAKI
Department of Surgery, Fukuoka Prefectural Asakura Hospital
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TANAKA TOSHIAKI
Departments of Surgery, Kurume University School of Medicine
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HYODO SHIN
Department of Surgery, Fukuoka Prefectural Asakura Hospital
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TAKEUCHI KIYOAKI
Department of Surgery, Fukuoka Prefectural Asakura Hospital
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SHIROUZU KAZUO
Department of Gastroenterology and Surgery, Kurume University School of Medicine
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