Brown Tumor: Rare Skeletal Presentation Secondary to Hyperparathyroidism

Abstract

Brown tumor is a giant cell lesion associated with hypepararthyroidism. It is a non-neoplastc condition and represents terminal stage of the remodeling process in hyperparathyroid state. This severe parathyroid bone disease is a rare clinical presentation of primary hyperparathyroidism which is due most often to a parathyroid adenoma, secreting parathormone(PTH). Elevated PTH levels cause bone resorption, the formation of polyostotic lesions and a reduction in bone mineral density, predisposing to pathological fractures. Here we report the case of young female having primary hyperthyroidism due to parathyroid adenoma with osteolytic cysic lesions at distal femur, distal end clavicle, iliac bone. She was treated with surgical excision of parathyroid with curettage, autogenous bone grafting, internal fixation with plate after confirming the biopsy report and biochemical, histopathological investigations. At the follow up time patient had no symptoms with full range of motions at knee with excellent fracture healing.