Fig. 1From: Duplication of the right vertebral artery: MRA findings and review of the literature3D TOF MRA of duplicated right VA. 3D time-of-flight (TOF) magnetic resonance angiography (MRA) of left oblique view shows the duplicated ostia on the right subclavain artery (arrows). Two limbs of right vertebral artery (VA) united to form the distal part of the right VA (arrowhead) Back to article page