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  • Title: Subarachnoid neurocysticercosis and an intracranial infectious aneurysm: case report.
    Author: Vieira E, Faquini IV, Silva JL, Griz MFL, Cezar AB, Almeida NS, Azevedo-Filho HRC.
    Journal: Neurosurg Focus; 2019 Aug 01; 47(2):E16. PubMed ID: 31370019.
    Abstract:
    Infectious intracranial aneurysms (IIAs) represent 2%-6% of all intracranial aneurysms and, classically, have been associated with bacterial or fungal agents. The authors report the case of a 42-year-old woman who presented with a typical history of subarachnoid hemorrhage. Digital subtraction angiography (DSA) showed an aneurysmal dilatation on the frontal M2 segment of the left middle cerebral artery (MCA). The patient was treated surgically, and multiple cysts were found in the left carotid and sylvian cisterns, associated with a dense inflammatory exudate that involved the MCA. The cysts were removed, and a fusiform aneurysmal dilatation was identified. The lesion was not amenable to direct clipping, so the authors wrapped it. Histopathological analysis of the removed cysts revealed the typical pattern of subarachnoid neurocysticercosis. The patient received cysticidal therapy with albendazole and corticosteroids, and she recovered uneventfully. Follow-up DSA performed 6 months after surgery showed complete resolution of the aneurysm. The authors performed a review of the literature and believe that there is sufficient evidence to affirm that the subarachnoid form of neurocysticercosis may lead to the development of an IIA and that Taenia solium should be listed among the possible etiological agents of IIAs, along with bacterial and fungal agents.
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