title: Perianal Herpes Simplex Virus Infection Misdiagnosed With Pyoderma Gangrenosum: Case of the Month from the Case Consultation Committee of the International Society for the Study of Vulvovaginal Disease.
authors.affiliation: 1Department of Dermatology, Royal North Shore Hospital, St Leonards; 2School of Medicine and Public Health, University of Newcastle, Callaghan; 3Department of Dermatology, John Hunter Hospital, Newcastle; 4Anatomical Pathology, Pathology North, Hunter New England, New Lambton; and 5Faculty of Health and Medicine, University of Newcastle, Callaghan, New South Wales, Australia.
authors.forename: Rebecca B
authors.initials: RB
authors.lastname: Saunderson
authors.forename: Vivian
authors.initials: V
authors.lastname: Tng
authors.forename: Alan
authors.initials: A
authors.lastname: Watson
authors.forename: James
authors.initials: J
authors.lastname: Scurry
mesh_terms: D000212:Acyclovir / Q000627:therapeutic use; D000368:Aged; D001004:Anus Diseases / Q000175:diagnosis* / Q000473:pathology*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D005260:Female; D006561:Herpes Simplex / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology*; D006651:Histocytochemistry; D006801:Humans; D007150:Immunohistochemistry; D008853:Microscopy; D017511:Pyoderma Gangrenosum / Q000473:pathology*; D018139:Simplexvirus / Q000302:isolation & purification*; D016896:Treatment Outcome
chemical_list: D000212:Acyclovir