Copyright (c) 2026 Rolando Reyna

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Ectopic parathyroid adenomas are a less common but clinically relevant cause of primary hyperparathyroidism and pose a diagnostic and therapeutic challenge due to their variable anatomical location. In these cases, although the diagnosis is suspected based on clinical and biochemical findings, imaging studies play a decisive role in enabling the precise localization of the responsible gland. We present the case of a patient with clinical manifestations of hypercalcemia secondary to an ectopic parathyroid adenoma, in whom four-dimensional parathyroid computed tomography (4D CT) allowed precise anatomical localization of the pathological gland, enabling a targeted and successful surgical approach.
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