Rev Neurol France
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The sepsis associated encephalopathy (SAE) is a common cause of delirium, accompanied by hyperthermia or not. It is defined as a diffuse cerebral dysfunction induced by the systemic response to the infection without clinical or laboratory evidence of direct infectious involvement of the central nervous system. It is, thus, a diagnosis of exclusion. ⋯ At the present time, clinical, biological and radiological characteristics of SAE have been sufficiently described to ensure rapid identification, but prognosis remains severe. Proper management requires treatment as early as possible of the infectious site and accompanying systemic inflammatory response. When appropriately conducted, minimal consequences or complete recovery can be expected.
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Cerebral actinomycosis is rare and difficult to diagnose. ⋯ Actinomycosis should be discussed as a possible diagnosis for all cerebral lesions, particularly in patients with a potential dental infection. Histology is required for positive diagnosis. Antibiotic therapy alone is generally sufficient; surgery is often performed for diagnostic purposes.