ACTA ORTOP BRAS 13(2)- 2005 91 CASE REPORT

Context: Benign intraosseous fibrous histiocytoma is a rare neoplasia, characterized by fibroblastic and collagenous fiber proliferation. Pain in the lumbar region is a frequent complaint in many patients, but most of times it is associated to muscular or degenerative causes. Case Report: Here we report a case of a patient diagnosed with benign bone fibrous histiocytoma in the lumbar spine who Benign fibrous histiocytoma of the lumbar spine complained of lumbar pain dating five months prior to diagnosis. The patient was submitted to open transpedicular biopsy in the forth lumbar vertebra, and subsequently, lesion curettage was performed via anterior retroperitoneal and L3-L5 vertebral arthrodesis using a fibular graft. Conclusion: Although rare, benign intraosseous fibrous histiocytoma should be taken into consideration when a primary lesion is observed in the spine