Post-traumatic vertebral artery dissection.

Correspondence: HG, e-mail: . Received 30 October 2009 and revised version accepted 15 July 2010. Competing interests: none declared. CT angiogram showed eccentric contrast in the left vertebral artery from just after its origin to the level of the C4 vertebral body suggestive of dissection (Figure 2). He was anticoagulated with enoxeparin. He walked independently when he left hospital and was recommended aspirin prophylaxis.