RT Journal Article SR Electronic T1 Double Origin of the Posterior Inferior Cerebellar Artery JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 425 OP 427 VO 25 IS 3 A1 Lesley, Walter S. A1 Dalsania, Henry J. YR 2004 UL http://www.ajnr.org/content/25/3/425.abstract AB Summary: Double origin of the posterior inferior cerebellar artery (PICA) has rarely been demonstrated by angiography in the peer-reviewed literature. Of the three previous reports, this PICA variant arose from the left vertebral artery. We report a right-sided, double-origin PICA.