CTICasesEctopic Mediastinal Parathyroid Adenoma
Imaging findings
Chest and neck CTs show an intensely, briskly enhancing paratracheal soft tissue nodule with a central non-enhancing area, mimicking a lymph node. Sestamibi scan confirms ectopic parathyroid tissue in the mediastinum.
Key takeaways
Ectopic parathyroid adenomas can occur in the middle mediastinum. They are highly vascular and enhance intensely on contrast CT, often requiring sestamibi scanning to differentiate them from hypervascular lymph nodes.
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