1. Peng F, Hu X, Zhong X, Wei Q, Jiang Y, Bao J, et al. CT and MR findings in HIV-negative neurosyphilis. Eur J Radiol. 2008. 66:1–6.
2. Brightbill TC, Ihmeidan IH, Post MJ, Berger JR, Katz DA. Neurosyphilis in HIV-positive and HIV-negative patients: neuroimaging findings. AJNR Am J Neuroradiol. 1995. 16:703–711.
3. Lee MA, Aynalem G, Kerndt P, Tabidze I, Gunn RA, Olea L, et al. Symptomatic early neurosyphilis among HIV-positive men who have sex with men--four cities, United States, January 2002-June 2004. JAMA. 2007. 298:732–734.
4. Tien RD, Felsberg GJ, Osumi AK. Herpesvirus infections of the CNS: MR findings. AJR Am J Roentgenol. 1993. 161:167–176.
5. Gultekin SH, Rosenfeld MR, Voltz R, Eichen J, Posner JB, Dalmau J. Paraneoplastic limbic encephalitis: neurological symptoms, immunological findings and tumour association in 50 patients. Brain. 2000. 123:1481–1494.
6. Bash S, Hathout GM, Cohen S. Mesiotemporal T2-weighted hyperintensity: neurosyphilis mimicking herpes encephalitis. AJNR Am J Neuroradiol. 2001. 22:314–316.
7. Vieira Santos A, Matias S, Saraiva P, Göulao A. Differential diagnosis of mesiotemporal lesions: case report of neurosyphilis. Neuroradiology. 2005. 47:664–667.
8. Scheid R, Voltz R, Vetter T, Sabri O, von Cramon DY. Neurosyphilis and paraneoplastic limbic encephalitis: important differential diagnoses. J Neurol. 2005. 252:1129–1132.
9. Denays R, Collier A, Rubinstein M, Atsama P. A 51-year-old woman with disorientation and amnesia. Lancet. 1999. 354:1786.
10. Szilak I, Marty F, Helft J, Soeiro R. Neurosyphilis presenting as herpes simplex encephalitis. Clin Infect Dis. 2001. 32:1108–1109.