CTICasesBrown tumors of hyperparathyroidism
Imaging findings
Chest and skeletal radiographs and CT show classical features of renal osteodystrophy and severe secondary hyperparathyroidism, including a rugged jersey spine, subperiosteal bone resorption along the distal clavicles and phalanges, and multiple osteolytic lesions involving the ribs, clavicles, and pelvis.
Key takeaways
Brown tumors are benign osteolytic lesions caused by increased osteoclast activity in severe primary or secondary hyperparathyroidism. They can mimic bone metastases or myeloma but typically resolve following correction of parathyroid hormone levels.
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