Anomalies of origin of the brachiocephalic vessels are uncommon. The authors report a new case of such an abnormality revealed by a subclavian steal syndrome. The angiographic study showed a right aortic arch with hypoplasia of the origin of the left subclavian a., which arose from the descending aorta, and a collateral cervical circulation derived from the left vertebral a. and the right subclavian a.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.