Evaluating the Genetics and Immunology of Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis (PFAPA) Syndrome and Other Tonsil Disorders March 4, 2023checkorphan Learn more about: Periodic fever, aphthous stomatitis,pharyngitis and adenitis Related Clinical Trial Evaluating the Genetics and Immunology of Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis (PFAPA) Syndrome and Other Tonsil Disorders Life Quality Study for PFAPA Patient Tonsillotomy or Follow-up in PFAPA Syndrome Recruitment InformationAdministrative Informations