title: Secondary syphilis mimicking systemic lupus erythematosus.
mesh_terms: D000328:Adult; D000505:Alopecia / Q000209:etiology; D003937:Diagnosis, Differential; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*; D008297:Male; D013587:Syphilis / Q000150:complications / Q000175:diagnosis*