Thirty four surgical cases of unruptured middle cerebral artery aneurysms are presented. There was a male prevalence. 83% of aneurysms was small (< 10 mm). There was a low morbidity related to the surgical treatment. We advise the surgical treatment of unruptured middle cerebral artery aneurysms as first choice to patients with this condition.
unruptured aneurysms; middle cerebral artery; microsurgery