title: Pyoderma gangrenosum, acne, and hidradenitis suppurativa (PASH) syndrome with recurrent vasculitis.
authors.affiliation: St. Joseph Mercy Dermatology, Ann Arbor, Michigan.
authors.forename: Dorene
authors.initials: D
authors.lastname: Niv
authors.affiliation: St. Joseph Mercy Dermatopathology, Ann Arbor, Michigan.
authors.forename: James A
authors.initials: JA
authors.lastname: Ramirez
authors.affiliation: St. Joseph Mercy Dermatology, Ann Arbor, Michigan.
authors.forename: David P
authors.initials: DP
authors.lastname: Fivenson
keywords: HS, hidradenitis suppurativa; IL, interleukin; LCV, leukocytoclastic vasculitis; PAPA, pyogenic arthritis, pyoderma gangrenosum, and acne; PAPASH, pyogenic arthritis, pyoderma gangrenosum, acne, and hidradenitis suppurativa; PASH syndrome; PASH, pyoderma gangrenosum, acne, and hidradenitis suppurativa; PG, pyoderma gangrenosum; PSTPIP1, proline-serine-threonine phosphatase-interacting protein 1; PsAPASH, psoriatic arthritis, pyoderma gangrenosum, acne, and hidradenitis suppurativa; acne; auto inflammatory; hidradenitis suppurativa; neutrophilic disorders; pyoderma gangrenosum; vasculitis