Fig. 1

Hepatic 4D-DSA. Upper row shows the hepatic vasculature from an anterior projection with three different time frames at 4, 8, and 12 s; lower row shows the final time frame from three different angles (A, anterior; RA, right anterior; LA, left anterior). Similar images can be obtained for any time frame or angle. The hepatic artery numbering is as follows: 1, common hepatic (1st order); 2, left hepatic (2nd order); 3, left medial (3rd order); 4, left lateral (3rd order); and 5, gastroduodenal (2nd order)