title: Histologic patterns of secondary syphilis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000505:Alopecia / Q000473:pathology; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003095:Collagen Diseases / Q000473:pathology; D003872:Dermatitis / Q000473:pathology; D003937:Diagnosis, Differential; D004106:Dilatation; D006644:Histiocytes; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology; D006801:Humans; D006965:Hyperplasia / Q000473:pathology; D007642:Keratosis / Q000473:pathology; D008010:Lichen Planus / Q000473:pathology; D008214:Lymphocytes; D008875:Middle Aged; D010950:Plasma Cells; D011565:Psoriasis / Q000473:pathology; D012867:Skin / Q000473:pathology*; D012871:Skin Diseases / Q000175:diagnosis / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology; D013587:Syphilis / Q000175:diagnosis; D013591:Syphilis, Cutaneous / Q000473:pathology*; D014652:Vascular Diseases / Q000473:pathology