Infection
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A 54-year-old woman was admitted to the hospital suffering from fever and personality changes. Laboratory examination of her cerebrospinal fluid (CSF) showed 270 mononuclear cells, 30 polynuclear cells and a clinically low number of erythrocytes/mm3. Empirical clinical findings from this case suggested treatment with acyclovir. ⋯ PCR with specific primer for herpes simplex virus type 1 (HSV-1) and HSV-2 were negative. There was no elevation of oligoclonal antibodies specific to HSV in CSF after 2 weeks. Although we did not prove the presence of the agent microbiologically at the clinical onset of the disease, the MRI and electroencephalogram (EEG) findings, erythrocytes in CSF and the dramatic response to acyclovir therapy are suggestive of a diagnosis of herpes simplex encephalitis (HSE).
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We analyzed the clinical features and therapeutic outcomes of adults with meningitis caused by viridans streptococci. ⋯ Adult bacterial meningitis caused by viridans streptococci is not uncommon and otopharyngeal infection appears to be an important portal of entry. Clinical manifestations varied according to the different underlying conditions. The results of this study also demonstrate the high incidence of intracranial focal suppuration and cerebral vasculitis concomitant with meningitis. Penicillin remains the treatment of choice for patients with meningitis caused by viridans streptococci. Therapeutic outcome is favorable for patients who receive prompt treatment.