Abstract
A patient initially suspected of having a giant cell granuloma was subsequently found—through additional imaging with 99mTc-sestamibi and ultrasound—to have osteolytic brown tumors caused by a parathyroid adenoma. Brown tumors that relate to primary hyperparathyroidism may mimic other skeletal tumors that contain giant cells, presenting difficulty with accurate diagnosis. Correlative imaging can have a valuable role in such cases, potentially avoiding the extensive work-up usually done for suspected bone metastases.
Footnotes
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