Abstract
Ectopic parathyroid adenomas in the aortopulmonary window (APW) are extremely rare, constituting only 1% of ectopic mediastinal adenomas and 0.24% of all parathyroid adenomas. The authors have encountered three patients with ectopic adenomas in the APW. In each case, the primary arterial supply to the APW adenoma arose from the bronchial artery. In addition, there was a small anastomotic arterial channel connecting the bronchial artery supplying the adenoma to the left inferior thyroid. All three adenomas were treated with transcatheter embolization, with control of hyperparathyroidism in two of three patients. One patient required thoracoscopic removal of the adenoma. It is critical that the interventionalist be aware of this arterial supply pattern to allow successful embolization of an APW ectopic adenoma.
Published Version
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