Intracranial aneurysms associated with bacterial meningitis

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Abstract
The case report presented is that of a 46-year-old woman suffering from bacterial meningitis with associated intracranial aneurysms occurring at an unusual site. This is the 1st instance of this association without evidence of endocarditis or other embolic source. The evidence presented indicates that the most likely cause of the infective process destroying the vessel wall was direct extension from the severe meningitis. This lesion is reversible and may heal by obliteration of the sac or associated vessel. The characteristics of these aneurysms are compared with those of intracranial mycotic aneurysms occurring in patients with endocarditis. Arterial lesions in meningitis caused by a variety of organisms are discussed.

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