title: [The modern concepts of pyoderma gangrenosum].
abstract: The review provides an update on pyoderma ganrenosum, a rare chronic disease from a group of neutrophilic dermatoses. It considers its pathogenesis, its association with background visceral disease, and the specific features of skin and visceral involvement. Major and minor diagnostic criteria and differential treatment approaches are given.
authors: V D
authors: VD
authors: El'kin
authors: L S
authors: LS
authors: Mitriukovskii
authors: E V
authors: EV
authors: Plotnikova
mesh_terms: D006801:Humans; D017511:Pyoderma Gangrenosum / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology / Q000473:pathology