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Periodic fever syndromes: a diagnostic challenge for the allergist
1Cincinnati Children's Hospital Medical Center - Allergy and Immunology, Cincinnati, OH 41017, USA.
Insights
Periodic fever with aphthous stomatitis, pharyngitis, and cervical adenitis (PFAPA) is a common childhood autoinflammatory syndrome. This review details PFAPA diagnosis and differentiates it from other rare genetic periodic fever syndromes.
Area of Science:
- Pediatrics
- Immunology
- Genetics
Background:
- Periodic fever with aphthous stomatitis, pharyngitis, and cervical adenitis (PFAPA) is the most common autoinflammatory syndrome in children.
- Unlike other periodic fever syndromes, PFAPA is not caused by a known genetic mutation.
Observation:
- This review summarizes the literature on PFAPA, including case reports and series.
- It highlights the importance of differentiating PFAPA from other periodic fever and autoinflammatory syndromes.
- The review emphasizes the need for Allergy/Immunology specialists to be familiar with these conditions.
Findings:
- PFAPA presents with recurrent fever, aphthous stomatitis, pharyngitis, and cervical adenitis.
- Other periodic fever syndromes are typically caused by specific genetic mutations, with varying prognoses and treatments.
- Accurate diagnosis is crucial as PFAPA management differs from genetically determined syndromes.
Implications:
- Early and accurate diagnosis of PFAPA is essential for appropriate management and to avoid unnecessary investigations for rarer genetic disorders.
- Allergy/Immunology specialists play a key role in the immunologic evaluation of children with recurrent fevers.
- Increased awareness and understanding of PFAPA can improve patient outcomes and streamline diagnostic pathways.
Abstract:
The objective was to present a case of periodic fever with aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA), summarize the medical literature on PFAPA, review the differential diagnosis and suggest a diagnostic approach to periodic fevers in children. A PubMed search was conducted for all case reports and series of patients with PFAPA. The references of these papers yielded further case reports. Review articles or large case series were used for sources of information regarding the other periodic fever and autoinflammatory syndromes. All cases reported as PFAPA were included in the review, even though a few of the cases may not have been accurately diagnosed. The periodic fever and autoinflammatory syndromes of childhood are a group of diseases that cause repeated febrile illnesses with various associated symptoms. Except for PFAPA, each of these diseases is caused by a known genetic mutation. Effective treatment options and long-term prognosis varies among these syndromes. Children with periodic fever or autoinflammatory syndromes sometimes present to an Allergy/Immunology clinic for immunologic evaluation. It is important for the Allergy/Immunology specialist to be familiar with the clinical presentation, diagnostic approach and treatment of these conditions.
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