Dual-Energy CT Characteristics of Parathyroid Adenomas on 25- and 55-Second 4D-CT Acquisitions: Preliminary Experience.

Objective: The objective of this study was to compare the dual-energy computed tomography (CT) characteristics of parathyroid adenomas (PAs), thyroid tissue, and lymph nodes (LNs) and assess whether the spectral information can improve distinction of these tissues. Methods: Dual-energy CT scans from 20 patients with pathologically proven PAs were retrospectively evaluated, identifying 19 eligible PAs and region of interest analysis used for spectral characterization. Results: There was a significant difference in multiple spectral parameters between PAs, LNs, and the thyroid gland (P

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