title: Nodular late syphilis.
abstract: We present an unusual case of nodular late syphilis in a 52-year-old black man who had grouped, violaceous, pruritic papulonodules. Overlapping features of both secondary and teritary stages of the disease were present. The clinical presentation and histopathology are discussed.
mesh_terms: D001706:Biopsy; D004917:Erythromycin / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D010401:Penicillin G Benzathine / Q000627:therapeutic use; D012867:Skin / Q000473:pathology; D013588:Syphilis Serodiagnosis; D013591:Syphilis, Cutaneous / Q000175:diagnosis* / Q000188:drug therapy; D013997:Time Factors
chemical_list: D004917:Erythromycin; D010401:Penicillin G Benzathine