%0 Journal Article %T De novo basilar tip aneurysm: Case report and literature review %A Suzuki %A M.T.M. %A Aguiar %A G.B. %A Jory %A M. %A Conti %A M.L.M. %A Veiga %A J.C.E. %J Neurocirug¨ªa %D 2011 %I Scientific Electronic Library Online %R 10.4321/S1130-14732011000300005 %X the de novo aneurysms are the formation of new aneurysms in a location previously observed to be normal by a cerebral angiography or direct microsurgical exploration. in this report, we present a review of the theme and describe a case of a ruptured de novo basilar tip aneurysm in a patient previously treated with carotid occlusion for a giant intracavernous aneurysm and microsurgical clipping of contralateral posterior communicating artery aneurysm. %K basilar artery %K de novo aneurysm %K subarachnoid hemorrhage. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1130-14732011000300005&lng=en&nrm=iso&tlng=en