TY - JOUR T1 - Unusual dissection of the proximal vertebral artery: description of three cases. JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 283 LP - 286 VL - 13 IS - 1 AU - D P Friedman AU - A E Flanders Y1 - 1992/01/01 UR - http://www.ajnr.org/content/13/1/283.abstract N2 - We report three cases that reveal an array of etiologic and radiologic findings associated with dissection of the proximal segment of the vertebral arteries. Regardless of etiology, the proximal segment may be the principal site of dissection in these vessels. ER -