A rare case of “Brown tumor” of the axis with parathyroid adenoma and tertiary hyperparathyroidism

“Brown tumors (BTs)” of the spine are benign rare lesions, seen in about 5%–13% of all patients with chronic hyperparathyroidism (HPT). They are not true neoplasms and are also known as osteitis fibrosa cystica or occasionally osteoclastoma. Radiological presentations are often misleading and may mi...

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