RT Journal Article SR Electronic T1 Basilar Artery Herniation into the Sphenoid Sinus Resulting in Pontine and Cerebellar Infarction: Demonstration by Three-Dimensional Time-of-Flight MR Angiography JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1348 OP 1350 VO 25 IS 8 A1 Kaakaji, Rami A1 Russell, Eric J. YR 2004 UL http://www.ajnr.org/content/25/8/1348.abstract AB Summary: We report a unique case of basilar artery herniation into the sphenoid sinus caused by a traumatic skull base fracture, with persistent patency of the basilar artery. Clinical and imaging features, as well as the relevant literature, are described.