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Mesiotemporal T2-weighted hyperintensity: neurosyphilis mimicking herpes encephalitis
1Department of Radiology, University of California Los Angeles, 90095, USA.
AJNR. American Journal of Neuroradiology
|February 7, 2001
Abstract:
Bilateral mesiotemporal hyperintensity on T2-weighted and fluid-attenuated inversion recovery MR images of a patient with a clinical syndrome of encephalitis is considered to be a classic finding for herpes simplex virus infection. We report a case of neurosyphilis with identical MR imaging abnormalities and a similar clinical presentation. Because syphilis is not routinely tested for, awareness of this mimicry of herpes simplex virus encephalitis is important, considering the potential therapeutic implications.