Fig. 2From: An unusual collateral from the sinoatrial nodal artery to the left carotid artery in a patient with Takayasu arteritis: a case reportVolume-rendered CTA image, left anterior oblique orientation depicting the supra-aortic vessels occlusion (A). Curved multiplane reformat displaying the occluded supra-aortic vessels (arrows) and the collateral artery (dotted arrow) arising from the right coronary artery feeding the left vertebral artery (B)Back to article page