title: Visual vignette.
authors.affiliation: Department of Infectious Diseases and Clinical Microbiology, Medipol University Hospital, Istanbul, Turkey.
authors.forename: Ferhat
authors.initials: F
authors.lastname: Arslan
authors.affiliation: Department of Infectious Diseases and Clinical Microbiology, GATA Haydarpasa Training Hospital, Istanbul, Turkey.
authors.forename: Ergenekon
authors.initials: E
authors.lastname: Karagoz
authors.affiliation: Department of Infectious Diseases and Clinical Microbiology, Medipol University Hospital, Istanbul, Turkey.
authors.forename: Mesut
authors.initials: M
authors.lastname: Yılmaz
authors.affiliation: Department of Internal Medicine, Medipol University Hospital, Istanbul, Turkey.
authors.forename: Ali
authors.initials: A
authors.lastname: Mert
mesh_terms: D005260:Female; D006801:Humans; D008875:Middle Aged; D017511:Pyoderma Gangrenosum / Q000175:diagnosis / Q000473:pathology*