Extensive Brown Tumors of Spine, Distal femur and Patella Presenting with Acute Cord Compression. A Case Report

We report a case of end stage renal failure in a patient who presented with acute cord compression and extensive brown tumour involving the spine, distal femur and patella. Brown tumours of the long bone, spine and pelvis have been documented previously. However, the occurrence of brown tumour in sesamoid bones such as the patella is extremely rare and is indicative of widespread lesions and severe secondary hyperparathyroidism. These tumours typically respond poorly to medical treatment alone. The acute c