Inflammatory fibrous histiocytoma: response to non-surgical therapy: a case report.

A case of inflammatory fibrous histiocytoma arising in soft tissue near the sacrum is presented. The patient's mode of presentation, clinical course, and tumor histology were typical of this disease. The tumor was inoperable, and radiotherapy combined with doxorubicin, cyclophosphamide, and intermediate-dose oral methotrexate produced a dramatic complete response lasting over 27 months. Favorable results with nonsurgical therapy have not previously been reported for this disease. The gratifying result obtained, although of relatively short duration to date, indicates that combined modality therapy may provide significant back-up to aggressive surgery. The use of these agents in an adjuvant setting merits study.