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Updated: Aug 9, 2026

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Uptake of Tc-99m sestamibi by brown tumors in a patient with primary hyperparathyroidism
A Muthiah1, J G Kalani, D S Katz
1Winthrop University Hospital, Department of Radiology, Mineola, NY 11501, USA.
Abstract:
This article discusses a case of Tc-99m sestamibi uptake by brown tumors in a patient with primary hyperparathyroidism. Brown tumors are characteristic tumors of hyperparathyroidism and often have well-defined margins. In this patient with clinical findings of hyperparathyroidism, a retrosternal parathyroid adenoma was identified using Tc-99m sestamibi parathyroid scintigraphy. The adenoma was resected surgically, and the diagnosis was confirmed histopathologically.
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