Malignant fibrous histiocytoma arising in medullary long bone infarcts. A case report.

Malignant fibrous histiocytoma arising in bone infarcts has only been recently recognized as a pathologic entity. Eighteen cases have been reported prior to this one. A case of a malignant fibrous histiocytoma developing in a 58-year-old man with idiopathic medullary bone infarcts in the distal femurs is presented along with a review of the literature.