J.Jpn. Surg. Soc.. 89(8): 1306-1309, 1988

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Case report

PRIMARY MALIGNANT FIBROUS HISTIOCYTOMA OF THE GALLBLADDER: A CASE REPORT

A 75-year-old female patient was admitted to our department because of fever and right hypochondraligia. A giant tumor of the gallbladder was comfirmed by CT scanning, ultrasonography and PTC. She underwent complete removal of the main tumor and right hemicolectomy. The exstirpated tumor was solid, but partially occupied by coagula and necrotic tissue, 13×11×9cm in size, and 900g in weight. On the basis of the histologic features of the tumor, MFH (pleomorphic type) originated from the gallbladder was clearly diagnosed. Her postoperative course was uneventful, but she died of cachexia due to recurrence on 79 days after operation.
Malignant fibrous histiocytoma (MFH) is a soft tissue sarcoma, usually developing in the extremities, less commonly in the retroperitoneal and the abdominal cavity.
MFH originated from the gallbladder is very rare, and only 3 cases were reported in Japan so far. This is the fourth reported case in Japan.

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