Fig. 3From: Surgical anatomy of the right hepatic artery in Rouviere’s sulcus evaluated by preoperative multidetector-row CT imagesBifurcation site of the SA/SSA (intrahepatic/extrahepatic type). a typical form, b atypical form. Intrahepatic type: The SA/SSA branches were intrahepatically bifurcated from Aant or Apost in 36 patients with the typical form (29.0 % of total cohort)(a-1). Extrahepatic type: Extrahepatic bifurcation of the SA/SSA branches was revealed in 82 patients (66.1 % of total cohort), consisting of 39 with the typical form (a-2) and all 43 with the atypical form (b)Back to article page