title: Abrupt Onset of Ulcerative Papules and Nodules on the Face and Genitals.
authors.affiliation: Department of Dermatology, Howard University Hospital, Washington, DC.
authors.forename: Lauren Chantel
authors.initials: LC
authors.lastname: Payne
authors.affiliation: The Wright Center for Graduate Medical Education, Washington, DC.
authors.forename: Keith Michael
authors.initials: KM
authors.lastname: Egan
authors.affiliation: Veterans Affairs Medical Center, Washington, DC.
authors.forename: Nasir
authors.initials: N
authors.lastname: Aziz
mesh_terms: D000208:Acute Disease; D001707:Biopsy, Needle; D003937:Diagnosis, Differential; D005148:Facial Dermatoses / Q000175:diagnosis / Q000473:pathology; D005837:Genitalia, Male / Q000473:pathology; D006801:Humans; D007150:Immunohistochemistry; D007273:Injections, Intramuscular; D008297:Male; D008875:Middle Aged; D010406:Penicillins / Q000008:administration & dosage; D012611:Scrotum / Q000473:pathology; D017444:Skin Diseases, Papulosquamous / Q000175:diagnosis / Q000473:pathology*; D013591:Syphilis, Cutaneous / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology*; D014210:Treponema pallidum / Q000302:isolation & purification*
chemical_list: D010406:Penicillins