Review Article

Basic Characteristics of Adults with Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenopathy Syndrome in Comparison with the Typical Pediatric Expression of Disease

Table 1

Comparison between adult PFAPA and pediatric PFAPA syndrome regarding the main demographic and clinical characteristics and response to treatment.

Adult PFAPA syndromePediatric PFAPA syndrome

Number of patients36268
Gender18 M/18 F148 M/120 F
Mean age at diagnosis30.3 ± 9.34.8 ± 2.2
Mean age at disease onset21.6 ± 10.62.4 ± 2
Mean number of febrile episodes per year8.3 ± 5.2
(16/36 adult patients available)
13.3 ± 9.2
Presence of 3 cardinal signs (aphthous stomatitis, cervical lymphadenitis, and pharyngitis)17/3674/268
Combination of 2 among 3 cardinal signs19/36124/268
Combination of recurrent fever + only 1 cardinal sign70/268
Response to corticosteroidsComplete response in 28, partial response in 4, and ineffective response in 1Complete response in 226 and
partial response in 2
Response to tonsillectomyComplete in 1, partial in 2, and ineffective in 13 (tonsillectomies performed during infancy included)Effective in 60 and
ineffective in 2
Response to anakinra1/36 available: complete responseNot administered
Response to thalidomide1/36 available: complete responseNot administered