Fat cell tumors of the uterus are extremely rare; they occur with an incidence of 0.03-0.2%. These tumors are almost invariably benign. We present the exceptionally rare case of a low-malignant liposarcoma of the uterus. The histogenesis of these tumors is not completely clear. In the literature, the theory of 'tumor metaplasia', a well-recognized phenomenon, is favored.
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