MeSH

Any purulent skin disease (Dorland, 27th ed).

An idiopathic, rapidly evolving, and severely debilitating disease occurring most commonly in association with chronic ulcerative colitis. It is characterized by the presence of boggy, purplish ulcers with undermined borders, appearing mostly on the legs. The majority of cases are in people between 40 and 60 years old. Its etiology is unknown.

Year introduced: 1993

A hereditary autosomal dominant disorder characterized by pyogenic (infectious) arthritis, pyoderma gangrenosum, and severe cystic acne. Onset is in childhood; pyoderma gangrenosum; and severe cystic acne occur in adolescence and beyond. Other less common features may include adult-onset DIABETES MELLITUS, TYPE I; PROTEINURIA, ABSCESS formation at the site of parenteral injections, and cytopenias attributable to SULFONAMIDE medications. Mutations in the PSTPIP1 gene have been identified. OMIM: 604416

Date introduced: August 25, 2010