title: Pyoderma gangrenosum: clinicopathologic correlation and proposed diagnostic criteria.
abstract: Pyoderma gangrenosum is a rare but significant cause of ulcerations. It is a diagnosis of exclusion. Herein, we suggest diagnostic criteria and some historical perspectives on the diagnosis of pyoderma gangrenosum.
authors.affiliation: Department of Dermatology, Mayo Clinic, Rochester, MN, USA.
authors.forename: W P Daniel
authors.initials: WP
authors.lastname: Su
authors.forename: Mark D P
authors.initials: MD
authors.lastname: Davis
authors.forename: Roger H
authors.initials: RH
authors.lastname: Weenig
authors.forename: Frank C
authors.initials: FC
authors.lastname: Powell
authors.forename: Harold O
authors.initials: HO
authors.lastname: Perry
mesh_terms: D006801:Humans; D017511:Pyoderma Gangrenosum / Q000150:complications / Q000175:diagnosis / Q000473:pathology*