ADC	Apparent diffusion coefficient
AUC	Area under the curve
DECT	Dual-energy CT
MD	Mean difference
NPV	Negative predictive value
PACS	Picture archiving and communication system
PPV	Positive predictive value
Rho	Electron density
ROI	Circular regions of interest
ROC	Receiver operating characteristic
SD	Standard deviation
CI	Confidence interval
Z	Effective atomic number