[Optimization of Tube Voltage and Number of Signal Averages Based on Dose Efficiency in Late Iodine Enhancement CT].
PURPOSE This study aimed to determine the optimal tube voltage and number of image averages for late iodine enhancement CT (LIE-CT) using physical image quality metrics. METHODS A water phantom containing diluted contrast media (approx. 30 HU at 120 kV) was scanned under ECG gating. Tube voltage was varied (70, 80, 1...