has material basis in germline mutation in PSTPIP1 immune system disorder pyogenic arthritis-pyoderma gangrenosum-acne syndrome https://github.com/monarch-initiative/mondo/issues/6747 https://www.malacards.org/card/pyogenic_sterile_arthritis_pyoderma_gangrenosum_and_acne NANDO:1200868 PAPA UMLS:C1858361 pyogenic arthritis, pyoderma gangrenosum, and severe cystic acne MEDGEN:346801 NANDO:2200437 fra OMIM:604416 MESH:C536253 familial recurrent arthritis A rare pleiotropic autoinflammatory disorder of childhood, primarily affecting the joints and skin. DOID:0080519 NCIT:C119055 GARD:0009176 pyogenic STERILE arthritis, pyoderma gangrenosum, and acne Papas FRA papa syndrome SCTID:724015007 MONDO:0011462 pyogenic arthritis, pyoderma gangrenosum and acne papa Orphanet:69126 autoinflammatory syndrome hereditary disorder of connective tissue