A Case of Recurrent Giant Lipoma of the Retroperitoneum

Masahiro Kimura, Hideki Fukuoka, Yoshihiko Funato, Hideki Tsuji, Takao Kasugai, Kei Torii, Manabu Kobayashi, Tetsuo Hotta

Department of Surgery, Ena Byoin National Sanatorium

Retroperitoneal lipoma is a histologically benign tumor, and was comparatively rare tumor before the development of imaging methods (CT, US etc.). A total of 60 cases including the present one have been reported in Japan. A 71-year-old man complaining of abdominal fullness was admitted to our hospital. After examination, we made a diagnosis of lipoma, and removed it. The tumor weighed 7530 g. Parts of the tumor were examined, and the histological structure indicated well-differentiated lipoma. The lipoma recurred 3 and 6 years after the first operation, and was removed again. On histological examination malignant elements were not found, and we made a diagnosis of recurrence of lipoma. Our case is rare in view of the tumor size and recurrence.

Key words
retroperitoneal tumor, local recurrent lipoma

Reprint requests
Masahiro Kimura Department of Surgery, Ena Byoin National Sanatorium
2725 Oui-cho, Ena, 509-72 JAPAN

Accepted
December 9, 1992

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