Granuler Cell Tumor of the Colon, Report of a Case

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  • 大腸顆粒細胞腫の1例

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Abstract

A 60-year-old male patient visited our hospital complaining of abdominal pain. He was hospitalized because he was diagnosed cholecystitis by ultrasonogram. After hospitalization, cholecystitis was recovered with the aid of antibiotics, but abdominal pain continued.<br> Barium enema X-ray and colonoscopy revealed a smooth surfaced yellowish semipedunclated submucosal tumor sized 13 mm in diameter in the cecum, and colonoscopic polypectomy was applied.<br> Histology with HE staining showed a well demarcaled tumor in the submucosa and revealed the presence of eosinophilic granules in the cytoplasm of the tumor cells. Using immunohistochemical study, the tumor cells were to be positively stained by S-100 protein and neuron specific enolose (NSE) , but negatively stained by Desmin.<br> So the diagnosis of granular cell tumor was made. Granular cell tumor of the large bowel in Japan were made a report of 15 inclusive of our case.

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