title: Isolated origin of the left internal carotid artery from the pulmonary artery.
abstract: The authors describe what is, to their knowledge, the first reported case of the anomalous origin of an internal carotid artery from the pulmonary artery. An otherwise asymptomatic 6-year-old girl, who presented with headaches and hypertension, underwent a comprehensive workup that revealed extensive meningeal and cerebral artery anastomoses to the left internal carotid artery--itself arising from the origin of the left pulmonary artery. This unique anatomical anomaly, caused by a disturbed pattern of aortic arch regression, resulted in a right-to-left vascular shunt into the pulmonary artery and a disturbance of intracranial artery flow patterns, complicating the management options.
authors.affiliation: Department of Neuroradiology Children's Memorial Hospital, Chicago, IL, USA.
authors.forename: Michael C
authors.initials: MC
authors.lastname: Hurley
authors.forename: Pamela H
authors.initials: PH
authors.lastname: Nguyen
authors.forename: Arthur J
authors.initials: AJ
authors.lastname: DiPatri
authors.forename: Ali
authors.initials: A
authors.lastname: Shaibani