巨大な肝間葉性過誤腫の1治験例

概要

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An 18-month-old boy was admitted to the univeasity hospital because of a large abdomina mass since two month ago. Findings of upper GI series, computed tomography, ultrasonic echogram and aortography suggested a large cyst in the liver parenchym. A laparotomy revealed a mass arising from the right lobe of the liver. An extended right hepatic lobectomy was performed. The tumor was 23x19x11 cm and weighted 2,100 gm. The most part of the tumor was cystic containing clear yellowish fluid. By histological examination, the cystic wall was mainly formed of the collagenized fibrous tissue, and proliferation of the bile ducts and liver tissue were found. No malignant finding was observed. The diagnosis was "mesenchymal hamartoma". The patient had an uneventful postoperative course and shows no evidense of recurrence at 18 months after operation. Mesenchymal hemartoma of the liver is a rare benign tumor in infancy. This is the 21st reported case in Japan. Early operation followed by accurate diagnosis is advised.
日本小児外科学会の論文
1983-02-20