Case examples of quantitative plaque analysis on coronary CT angiography and 18F-NaF PET in patients with established coronary artery disease. Hybrid CT angiography and 18F-NaF PET of coronary arteries. (A) A 70-y-old male, who presented with diffused largely noncalcified disease (middle panel in red) in the LAD and demonstrated increased 18F-NaF uptake in the LAD