RT Journal Article SR Electronic T1 Isolated Cortical Venous Thrombosis Presenting as Subarachnoid Hemorrhage: A Report of Three Cases JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1676 OP 1679 VO 25 IS 10 A1 Raymond Chang A1 David P. Friedman YR 2004 UL http://www.ajnr.org/content/25/10/1676.abstract AB Summary: Cortical venous thrombosis (CVT) without concomitant dural sinus thrombosis is an uncommon disorder. Isolated CVT usually manifests on imaging studies as focal parenchymal hemorrhage or edema. We report three cases of isolated CVT that presented with unilateral, localized subarachnoid hemorrhage without parenchymal involvement.