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Intracranial aneurysm and arachnoid cyst: just a coincidence? A case report

posted on 2019-05-22, 02:48 authored by Guilherme Brasileiro de Aguiar, Rafael Gomes dos Santos, Aline Lariessy Campos Paiva, João Miguel de Almeida Silva, Rafael Carlos da Silva, José Carlos Esteves Veiga

ABSTRACT CONTEXT: Presence of an arachnoid cyst and a non-ruptured intracystic brain aneurysm is extremely rare. The aim of this paper was to describe a case of a patient with an arachnoid cyst and a non-ruptured aneurysm inside it. Clinical, surgical and radiological data were analyzed and the literature was reviewed. CASE REPORT: A patient complained of chronic headache. She was diagnosed as having a temporal arachnoid cyst and a non-ruptured middle cerebral artery aneurysm inside it. Surgery was performed to clip the aneurysm and fenestrate the cyst. CONCLUSIONS: This report raises awareness about the importance of intracranial vascular investigation in patients with arachnoid cysts and brain hemorrhage.