Elevated immunoglobulin D levels in children with PFAPA syndrome. Kovacs L, Hlavatá A, Baldovič M, Paulovicova E, Dallos T, Fehérvízyová Z, Kadasi L. Journal Article 2010; 31(6): 743-746 PubMed PMID: 21196927 Keywords: Arthralgia:diagnosis, Child, Preschool, Cohort Studies, Diagnosis, Differential, Erythema:diagnosis, Exanthema:diagnosis, Female, Fever:blood, Genotype, Humans, Immunoglobulin D:blood, Infant, Lymphadenitis:diagnosis, Male, Mevalonate Kinase Deficiency:di. Citation BACKGROUND: The periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA) syndrome appears to be more common than gen..... Read abstract Full text PDF