Representative images of a 4-year-old girl with laryngeal mask. (a) MIP image of the entire field of view in the arterial phase; (b) cropped and zoomed image: up to second-order hepatic arteries (white, black and dashed arrows) are sharply delineated, and (c) pre-contrast and five sequential MIP images after contrast injection reflect high temporal resolution. The scores of the common hepatic artery, proper hepatic artery and right hepatic artery were 5, 4 and 4, respectively, by reader 1, and 5, 5 and 5 by reader 2