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Journal of Neurosurgical Sciences 1998 March;42(1):41-5

Copyright © 1998 EDIZIONI MINERVA MEDICA

language: English

Association between an aneurysm of the anterior inferior cerebral artery and an arteriovenous malformation fed by the same artery

Vincentelli F. 1, Caruso G. 2, Licastro G. 2, Rabehanta P. 1

1 Division of Neurosurgery “La Résidence du Parc”, Centre Hospitalier Privé, Marseille, France; 2 Division of Neurosurgery, Hospital of Legnano, USSL 34, Legnano (Milan), Italy


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An unusu­al ­case of dis­tal aneu­rysm of ­the ante­ri­or infe­ri­or cer­e­bel­lar ­artery (­AICA) asso­ciat­ed ­with a cer­e­bel­lar arter­i­ov­e­nous mal­for­ma­tion in a 35 ­year-­old wom­an is report­ed. The clin­i­cal pres­en­ta­tion ­was a sub­arach­noid hem­or­rhage, ­that is ­the sud­den ­onset of head­ache ­while ­she ­was driv­ing ­her ­car. In ­the fol­low­ing ­days ­the ­patient expe­ri­enced a cer­e­bel­lo­pon­tine ­angle syn­drome: unsteadi­ness, tin­nit­us ­and hear­ing ­loss in ­her ­left ­ear, ­along ­with ­drop epi­sodes. All symp­toms dis­ap­peared in ­about a ­week. She con­sult­ed a neu­ro­sur­geon ­only a ­month lat­er. On ­the ­day of admis­sion in ­the Neurosurgical Department of Résidence du Parc Clinic ­her neu­ro­log­i­cal stat­us ­was nor­mal. Neuroradiological inves­ti­ga­tions ­showed ­the asso­ci­a­tion ­between ­the ­two dis­tal AICA mal­for­ma­tions. At sur­gery it ­was pos­sible ­either to ­clip ­the aneu­rysm or to ­remove ­the ­AVM. The ori­gin of ­the hem­or­rhage ­has ­not ­been clear­ly iden­ti­fied. The ­patient ­had an unevent­ful recov­ery ­and ­returned to ­her ­job ­three ­months lat­er. The aneu­rysm ­was locat­ed on ­the ­same ­artery ­that sup­plied ­the ­AVM. This asso­ci­a­tion is ­rare at ­the ­AICA lev­el. The pos­sible devel­op­ment of ­the aneu­rysm ­induced by ­increase in ­flow ­through ­the ­AVM is dis­cussed in ­the ­light of Literature ­data.

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