PASH, PAPASH, PsAPASH, and PASS: The autoinflammatory syndromes of hidradenitis suppurativa

Simone Garcovich, Giovanni Genovese, Chiara Moltrasio, Dalma Malvaso, Angelo Valerio Marzano

Risultato della ricerca: Contributo in rivistaArticolo in rivista

1 Citazioni (Scopus)


Hidradenitis suppurativa (HS) is a chronic inflammatory disease usually involving the major skin folds characterized by a multifactorial pathogenesis and a wide spectrum of clinical manifestations. It can also rarely present in association with other diseases as complex clinical syndromes, causing additional diagnostic and therapeutic challenges. Different etiopathologic factors contribute to follicular inflammation and suppurative lesions of syndromic HS, including follicular hyperkeratinization and plugging, as well as activation of autoinflammatory pathways. Patients with syndromic HS frequently have a severe disease course, presenting with atypical skin involvement, signs of systemic inflammation, and resistance to conventional treatments. Systematic classification of syndromic HS is based on clinical, pathogenetic, and genetic factors, but it is constantly evolving due to increased disease awareness. Treatment of syndromic HS is difficult and should be personalized on a case-by-case basis. Investigating syndromic HS can lead to useful insights on genetics and pathogenesis, translating into new clinical approaches for sporadic hidradenitis. We review the classification, clinical presentation, disease associations, and therapeutic management of syndromic HS, focusing mainly on its autoinflammatory syndromes PASH, PAPASH, PsAPASH, and PASS.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
RivistaClinics in Dermatology
Stato di pubblicazionePubblicato - 2020


  • Hereditary autoinflammatory diseases
  • Hidradenitis suppurativa
  • Pyogenic arthritis, pyoderma gangrenosum, and acne


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