Fig. 4

Dorsal computed tomography angiography images of the portal vein thrombosis (arrows) in an American Cocker Spaniel with lobular dissecting hepatitis on days 207 (A), 515 (B), 886 (C), and 1168 (D). The strong signal in the thrombus is an organized area. The size of the thrombus was slightly decreased, and the organized areas of the thrombosis were gradually increased. PV, portal vein; S, stomach