Four small breed dogs presented with various clinical signs, including seizures. Dual-phase computed tomography (CT) angiography of the abdominal region showed early enhancement of the venous system during the arterial phase. This finding is considered a classic indication of hepatic arteriovenous fistula in CT angiography. This case report presents the clinical and diagnostic findings of hepatic arteriovenous fistula in four small breed dogs.

• Heechun Lee(Research Institute of Life Sciences, College of Veterinary Medicine, Gyeongsang National University) Corresponding author
• Kitae Park(Research Institute of Life Sciences, College of Veterinary Medicine, Gyeongsang National University)
• Seongchan Yeon(Research Institute of Life Sciences, College of Veterinary Medicine, Gyeongsang National University)