title: Skin ulcers misdiagnosed as pyoderma gangrenosum.
authors.forename: Nadine G
authors.initials: NG
authors.lastname: Rouphael
authors.forename: Nakhle M
authors.initials: NM
authors.lastname: Ayoub
authors.forename: Roland R
authors.initials: RR
authors.lastname: Tomb
mesh_terms: D003113:Colonoscopy; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000150:complications / Q000175:diagnosis*; D017511:Pyoderma Gangrenosum / Q000150:complications / Q000175:diagnosis*; D012883:Skin Ulcer / Q000175:diagnosis*