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Clinical and genetic analysis of 11 cases with periodic fever, aphthous stomatitis, pharyngitis and adenitis syndrome / 中华儿科杂志
Chinese Journal of Pediatrics ; (12): 524-528, 2018.
Article in Chinese | WPRIM | ID: wpr-810039
ABSTRACT
Objective@#To investigate the clinical, inflammatory and genetic characteristics of cases with periodic fever, aphthous stomatitis, pharyngitis and adenitis (PFAPA) syndrome.@*Methods@#Clinical and inflammatory manifestations and gene sequencing of 11 cases with PFAPA were retrospectively analyzed. Inflammatory markers including white blood cell (WBC) , C reactive protein (CRP) , and serum amyloid A (SAA) were compared between febrile period and intermittent period. Fifteen normal children were taken as healthy controls. The levels of plasma inflammatory cytokines including interleukin(IL)1β, IL-6, IL-17, tumor necrosis factor(TNF)-α, interferon (IFN)-γ, and granulocyte-colony stimulating factor(G-CSF) were compared between febrile period and intermittent period with paired-sample t test, and compared between febrile cases and healthy controls with independent t test.@*Results@#A total of 11 cases (7 females and 4 males) were included. The median onset age was 24 (3-60) months, and the median age of diagnosis was 69 (11-151) months. The median febrile duration was 4 (1-8) days, and the intermittent period lasted 1 to 8 weeks. All the cases had periodic fever and pharyngitis/tonsillitis, 7 of whom had combined lymphadenitis, and 5 of whom suffered from oral ulcers. Compared to intermittent-period-status,WBC ((14.7±4.1) ×109/L vs. (8.4±1.9) ×109/L, P<0.05), CRP((24.2±21.1) vs. (3.3±2.1)mg/L, P<0.05), SAA ((136.4±47.7) vs. (7.1±1.1)mg/L, P<0.05) were significantly elevated in febrile period. Compared to intermittent-period-status and healthy controls, plasma levels of IL-6 ((38±10) vs. (8±4) and (8±5)ng/L, t=6.514 and 6.830 respectively, P<0.05), IFN-γ ((132±43) vs.(49±21) and (53±21)ng/L, t=4.069 and 4.276 respectively, P<0.05), G-CSF ((403±12) vs. (175±90) and (121±49)ng/L, t=4.219 and 9.047 respectively, P<0.05) were significantly higher in febrile period, while no differences were found in levels of IL-1β, IL-17 and TNF-α. Gene sequencing found MEFV gene heterozygous variation in 8 cases.@*Conclusions@#PFAPA often manifests as periodic fever, pharyngitis, tonsillitis, aphthous stomatitis and adenitis. Gene sequencing analysis, detection of inflammation markers and cytokines could help with the diagnose of this disease.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pediatrics Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pediatrics Year: 2018 Type: Article