title: Diagnosis of syphilis in the geriatric patient.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005455:Fluorescent Antibody Technique; D006801:Humans; D008722:Methods; D008858:Microscopy, Phase-Contrast; D013587:Syphilis / Q000175:diagnosis*; D013588:Syphilis Serodiagnosis; D014209:Treponema Immobilization Test; D014210:Treponema pallidum / Q000302:isolation & purification