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Angio-CT scan. a Lack of visualization of the right vertebral artery with patent basilar artery (BA = basilar artery, VA = left vertebral artery). b Focally stenotic first tract of the right posterior cerebral artery. c Persistent occlusion of the right vertebral artery with patent basilar artery after three weeks. d Stenosis resolution of first tract of the right posterior cerebral artery after three weeks.
