TY - JOUR T1 - Mesiotemporal T2-Weighted Hyperintensity: Neurosyphilis Mimicking Herpes Encephalitis JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 314 LP - 316 VL - 22 IS - 2 AU - S. Bash AU - G.M. Hathout AU - S. Cohen Y1 - 2001/02/01 UR - http://www.ajnr.org/content/22/2/314.abstract N2 - Summary: 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. ER -