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Updated: Aug 22, 2025

Focal Cerebral Ischemia Model by Endovascular Suture Occlusion of the Middle Cerebral Artery in the Rat
Published on: February 5, 2011
Isolated Right Common Carotid Artery Arising from the Right Pulmonary Artery
Erin K Romberg1, Jenna S Schauer1, Heidi Cuffee1
1Department of Radiology (E.K.R., M.R.F.) and Department of Pediatrics, Division of Cardiology (J.S.S., D.Y.), University of Washington and Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA 98105; and Department of Pediatric Cardiology, Seattle Children's Hospital, Seattle, Wash (H.C.).
Abstract:
Isolated aortic arch vessels arising anomalously from the pulmonary arterial system are rare congenital anomalies. Case reports of isolated arch vessels are often associated with 22q11 deletion, CHARGE syndrome, or right aortic arch. Isolation of the carotid artery may lead to cerebral steal phenomenon and ischemia or to pulmonary overcirculation. The authors report what is, to their knowledge, the first case of isolated right common carotid artery arising from the right pulmonary artery, associated with 22q11 deletion, and describe the challenging multimodality image evaluation. Keywords: Congenital, Anatomy, Carotid Arteries © RSNA, 2022.
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