autoimmune disease unexplained periodic fever syndrome PFAPA syndrome https://www.malacards.org/card/pfapa_syndrome Marshall syndrome with periodic fever GARD:0005657 SCTID:717231003 MEDGEN:909507 MONDO:0018540 Marshall syndrome DOID:0081451 An auto inflammatory syndrome characterized by recurrent febrile episodes associated with aphthous stomatitis, pharyngitis and cervical adenitis. periodic fever-aphtous stomatitis-pharyngitis-adenopathy syndrome UMLS:C4082167 Orphanet:42642 periodic fever, aphthous stomatitis, pharyngitis and adenitis NCIT:C116917 periodic fever, aphthous stomatitis, pharyngitis, adenitis syndrome PFAPA autoinflammatory syndrome