title: Anomalous vertebral artery origins: the first and second reports of two variants.
abstract: We present two cases of aberrant origins of vertebral arteries. Case 1 is of a patient undergoing evaluation of an infrarenal aortic aneurysm stent graft. Computed tomography (CT) angiogram revealed an aberrant right vertebral artery that subsequently joined a second right vertebral artery that had the typical origin off the right subclavian artery. This represents an unusual anatomic variation not previously reported in the literature. Case 2 is of a patient being evaluated for thoracic aorta injury. CT angiogram of the chest revealed a five-vessel aortic arch with aberrant origin of the bilateral vertebral arteries distal to the left subclavian artery.
authors: Department of Radiology, Section of Neuroradiology (DPH) and Thoracic Imaging (RCG), University Hospitals-Case Medical Center, Cleveland, Ohio, USA. daniel.hsu@uhhospitals.org
authors: Daniel P
authors: DP
authors: Hsu
authors: Ashley D
authors: AD
authors: Alexander
authors: Robert C
authors: RC
authors: Gilkeson
mesh_terms: D006801:Humans; D011859:Radiography; D013348:Subclavian Artery / Q000000981:diagnostic imaging; D014711:Vertebral Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging*