A Giant Cystic Ectopic Parathyroid Adenoma of the Anterior Mediastinum Mimicking a Mediastinal Tumor: A Diagnostic Challenge.
BACKGROUND Ectopic parathyroid adenomas represent an uncommon but clinically significant cause of primary hyperparathyroidism, particularly when located in the mediastinum. Their diagnosis may be challenging, especially in the presence of concomitant thyroid pathology, which can obscure imaging interpretation and lead...