MALIGNANT FIBROUS HISTIOCYTOMA OF BONE

Abstract
Existence of an entity called malignant fibrous histiocytoma of bone was emphasized, based on 2 patients experienced recently and previous reports related to this tumor. Histologically the tumor resembles the malignant fibrous histiocytoma originating in soft parts. An attempt was made to clarify its biological behavior, histological subclassification and criteria to be malignant and differential diagnoses from several other bone diseases which sometimesmumic this malignant bone tumor.