[症例報告]胃弓隆部後壁に発生した巨大胃平滑筋芽細胞瞳の1例

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An unusual case, a 56-year-old male, of a large leiomyoblastoma of the stomach which was recently treated is presented. The chief complaint of the patient was nausea and epigastric distress for 3 months, and weight loss of 13 kg. was evident. A broad based tumor with a central cyst located m the posterior aspect of the gastric fundus was found in gastro-intestinal series and CT scan. Although the mucosal surface of the tumor was completely coverd with the gastric mucosa without ulceration, it was easy hemorrhagic in endoscopic examination. At laparotmy, a large elastic and soft tumor was found in the posterior wall of the gastric fundus and was firmly adherent to the liver, diaphragm, pancreatic tail and spleen. A total gastrectomy with $ \rho $-Y esophagojejunostomy was done. The resected gastric specimen showed intramural tumor, 19 × 17 × 14 cm. in size, in the posterior wall of the gastric fundus and it was covered with the intact gastric mucosa. No metastatic lesions in the liver and regional lymphnodes were found On microscopic examinations, a plump and partially spindle cells with pleomorphic round to ovoid hyperchromatic nuclei and clear pennuclear halo were characteristically observed. There were some micronuclear and polynuclear cells and a few mitotic figures present. The patient has been well 12 months after the operation.
琉球大学医学部,Faculty of Medicine, University of the Ryukyusの論文