Aseptic meningitis is considered a benign and self-limiting clinical condition. In contrast to viral encephalitis and bacterial meningitis, the prognosis is usually good. The existing literature is scarce on the potential long-term neuropsychiatric consequences of aseptic meningitis. Previous studies have primarily been retrospective and differences in methodologies make it difficult to draw conclusions regarding the prevalence and nature of neuropsychiatric manifestations. However, studies have reported decreased psychomotor speed and impaired executive and visuo-constructive functions following aseptic meningitis. Larger controlled prospective studies are urgently needed to elucidate the neuropsychiatric complications of aseptic meningitis.
The authors report discrepant findings between proton magnetic resonance spectroscopy and conventional magnetic resonance imaging in a 67-y-old woman with herpes simplex virus type 1 encephalitis. The sparse amount of literature on proton magnetic resonance spectroscopy in patients with herpes simplex type 1 encephalitis is discussed.
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