Delayed brain abscess after embolization of arterio-venous malformation: report of two cases and review of literature.

Infections of central nervous system are rare complications of endovascular procedures. Review of literature revealed only four reported cases of brain abscesses after embolization of intracranial arteriovenous malformations (AVMs). We report two new cases of delayed brain abscess after embolization of AVM. In one of the patients, it was due to an unusual organism, Burkholderia caeci.