[Secondary malignant fibrous histiocytoma of bone 11 years after radiation exposure].

We report about a secondary malignant fibrous histiocytoma of bone which is most frequently found in distal femur. It appears as a malignant form of a giant-cell tumor after the exposure to radiation. The typical symptoms given in literature publications: pain, swelling and the pathological fracture were present. After amputation there was no metastasis for 15 months.