Fig. 2From: Adrenal vein sampling: technique and protocol, a systematic reviewCone-beam CT of an accessory hepatic vein (a) and the right adrenal vein (b). In this patient, two different veins were cannulated. Given ambiguous conventional venographic appearance, cone-beam CT was performed. a Shows opacification of hepatic parenchyma. b Confirms cannulation of the adrenal veinBack to article page