Ahuja A, Graves V B, Crosby D L, Strother C M
Department of Radiology, University of Wisconsin, Clinical Science Center, Madison 53792-3252.
AJNR Am J Neuroradiol. 1992 Nov-Dec;13(6):1625-6.
A rare anomalous origin of the posterior inferior cerebellar artery arising from the internal carotid artery is described. The embryologic explanation postulated is the persistence of a primitive communicating vessel (presegmental artery) between the anterior and posterior circulation.
描述了一种罕见的小脑后下动脉起源异常,其起源于颈内动脉。推测的胚胎学解释是前后循环之间原始交通血管(节段前动脉)的持续存在。