4DCT in Discordant Parathyroid Adenoma Scans: Case Series and Meta-Analysis.

Objective: To evaluate the accuracy of four-dimensional computerized-tomography (4DCT) for localizing parathyroid adenomas (PTAs) in cases with discordant or non-localizing ultrasonography (US) and Technetium-99 sestamibi (MIBI) scans.

Data Sources: Retrospective case series and systematic review.

Review Methods: A case series and meta-analysis of patients diagnosed with primary hyperparathyroidism and discordant US and MIBI scans who underwent 4DCT prior to surgery.