Lipomatous tumors represent a common group of neoplasm in adult life usually
presented as a mass. Authors reviewed 872 benign lipomatous tumors and 39
liposarcomas in the Department of pathology, SNUH during last 10 years (1978-1987).
Among the benign lipomatous tumors, the ordinary lipomas consisted of 80.8% followed
by angiolipomas (11.4%), fibrolipomas (2.3%), intramuscular lipomas (1.8%), and
angiomyolipomas (1.4%). Most of the benign lipomatous tumors occurred at adult life
and were rare in infancy and childhood except for lipoblastoma. In our series, the peak
age of liposarcoma at the time of presentation was 50 to 60 years, and the youngest
age was 17 years. The myxoid type was the most common and it accounted for 38.5%
of the cases. The two major sites were the extremities and retroperitoneum. Thirteen
cases out of 39 liposarcomas had recurred and 2 cases had lymph node metastases at
the time of presentation.
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