title: Secondary syphilis presenting as rash and annular hyperkeratotic lesions.
authors.affiliation: Department of Dermatology, San Cecilio University Hospital, Granada, Spain. huseinelahmed@hotmail.com
authors.forename: Husein
authors.initials: H
authors.lastname: Husein-Elahmed
authors.forename: Jose-Carlos
authors.initials: JC
authors.lastname: Ruiz-Carrascosa
mesh_terms: D000328:Adult; D005076:Exanthema / Q000150:complications*; D005260:Female; D006801:Humans; D007645:Keratoderma, Palmoplantar / Q000150:complications*; D013591:Syphilis, Cutaneous / Q000150:complications*; D014210:Treponema pallidum