title: Vitreitis and movement disorder associated with neurosyphilis and human immunodeficiency virus (HIV) infection: case report.
abstract: In this report, we describe an unusual patient with a choreiform movement disorder, misdiagnosed as Huntington disease, who later developed dense vitreitis leading to the identification of Treponema pallidum as the underlying pathogen of both abnormalities.
authors.affiliation: Department of Ophthalmology, Faculdade de Ciências, Médicas da Santa Casa de São Paulo, São Paulo, Brasil. lucianospereira@gmail.com
authors.forename: Luciano Sousa
authors.initials: LS
authors.lastname: Pereira
authors.forename: Amy P
authors.initials: AP
authors.lastname: Wu
authors.forename: Ganesha
authors.initials: G
authors.lastname: Kandavel
authors.forename: Farnaz
authors.initials: F
authors.lastname: Memarzadeh
authors.forename: Timothy James
authors.initials: TJ
authors.lastname: McCulley
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D015658:HIV Infections / Q000150:complications*; D006801:Humans; D006816:Huntington Disease / Q000175:diagnosis*; D008297:Male; D009494:Neurosyphilis / Q000150:complications / Q000175:diagnosis*; D009902:Optic Neuritis / Q000150:complications / Q000175:diagnosis* / Q000382:microbiology; D014210:Treponema pallidum / Q000302:isolation & purification*