Correlation of Adventitial Vasa Vasorum with Intracranial Atherosclerosis: A Postmortem Study

Background and Purpose Vasa vasorum (VV) have been believed to be rare or non-existent in small-caliber intracranial arteries. In a series of human cerebral artery specimens, we identified and examined the distribution of VV in association with co-existing intracranial atherosclerosis.