A Case of Gastric Carcinosarcoma Accompaniede by Gastric Gastrointestinal Stromal Tumor.
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概要
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A case of gastric carcinosarcoma accompanied by a gastric gastrointestinal stromal tumor (GIST) is reported. A 72-year-old man complaining of upper abdominal discomfort was found to have a type 1 tumor in the upper portion of the stomach on a gastroscopy, and underwent a total gastrectomy. Histologically, the tumor was composed of adenocarcinoma and sarcoma components. Histological examinations also revealed a submucosal tumor, 5mm in diameter, in the middle portion of the stomach. Immunohistochemical examinations disclosed that the tumor was true carcinosarcoma and the concomitant submucosal tumor was gastric GIST. Of a total of 34 cases of gastric carcinosarcoma reported previously in Japan, only six cases were diagnosed as true carcinosarcoma by histological examinations including immunohistochemical stains. Clinical or pathological significance of the coexistence of carcinosarcoma and GIST in the stomach is still obscure. We report the present case for further accumulations of clinical cases of gastric true carcinosarcoma, because histogenetic mechanisms of gastric carcinosarcoma is still unclear.
- 日本臨床外科学会の論文
日本臨床外科学会 | 論文
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