Sestamibi-Negative Ectopic Mediastinal Parathyroid Adenoma Presenting With Severe Hypercalcemia and Acute Kidney Injury: A Case Report
Background: Primary hyperparathyroidism (PHPT) is most commonly caused by a solitary parathyroid adenoma. Ectopic parathyroid adenomas are uncommon and may pose significant diagnostic challenges, particularly when located in the mediastinum and when conventional localization studies are negative. Case Presentation: A 4...