title: Peristomal pyoderma gangrenosum.
authors.forename: B W
authors.initials: BW
authors.lastname: Warner
mesh_terms: D003424:Crohn Disease / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D017511:Pyoderma Gangrenosum / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy*