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Table 3 The courses of the posterior SA/SSA in relation to RPV

From: Surgical anatomy of the right hepatic artery in Rouviere’s sulcus evaluated by preoperative multidetector-row CT images

Infraportal form

94 (75.8 %)

Supraportal form

24 (19.4 %)

 

Completely supraportal

 

9 (7.3 %)

 

Partially supraportal

 

15 (12.1 %)

  

A6a of infraportal course and A6bc7 of supraportal course

  

11 (8.9 %)

  

A6 of infraportal course and A7 of supraportal course

  

4 (3.2 %)

Unclear form (because of cancer invasion)

6 (4.8 %)

  1. SA/SSA segmental or subsegmental arteries, RPV right portal vein, A6 and 7 segmental artery supplying segment VI and VII, respectively, A6a subsegmental artery suppling ventral segment VI, A6bc7 subsegmental arteries suppling lateral and dorsal segment VI and segment VII