A Case of Primary Liposarcoma Arising from the Greater Omentum

Kouji Koinuma, Tetsu Amemiya, Shouichi Oka, Hiroshi Yamaguchi, Hiroaki Seki, Shinji Murai, Takashi Hara, Hidetoshi Akamatsu and Keishirou Koizumi

Department of Surgery, Ootawara Red Cross Hospital

A 58-year old woman was admitted to our hospital complaining of abdominal distension, leg edema and 10kg weight increase for a month. Abdominal ultrasonography, computed tomography (CT) and magnetic resonance imaging (MRI) revealed a heterogeneous giant tumor in the abdomen. Angiography showed some hypervascular lesions supplied by the gastroepiploic arteries. An operation was performed under the diagnosis of an omental malignant tumor. The tumor, which originated from the greater omentum, was resected with a block of the greater omentum. The resected tumor measured 32×26×13cm and weighed about 6,900g. The histopathological diagnosis was mixed type liposarcoma (myxoid type and round cell type). Three months after the operation, local recurrence was detected. We performed a second operation, but found extensive peritoneal dissemination. About one month later the patient dead.

Key words
liposarcoma, greater omentum

Reprint requests
kouji koinuma Department of Surgery, Ootawara Red Cross Hospital 2-7-3 Sumiyoshi-cho, Ootawara City, 324-0057 JAPAN

Accepted
March 31, 1999

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