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. 2022 Sep 22:15:5505-5514.
doi: 10.2147/JIR.S378790. eCollection 2022.

Comparison of Clinical Characteristics and Risk Factors for Recurrence of Kikuchi-Fujimoto Disease Between Children and Adult

Jee Yeon Baek  1 , Ji-Man Kang  1   2 , Ji Young Lee  1 , Sung Min Lim  1 , Jong Gyun Ahn  1   2
Affiliations

Comparison of Clinical Characteristics and Risk Factors for Recurrence of Kikuchi-Fujimoto Disease Between Children and Adult

Jee Yeon Baek et al. J Inflamm Res. .

Abstract

Purpose: Kikuchi-Fujimoto disease (KFD) is a rare, benign, and self-limited disease, characterized by cervical lymphadenopathy and fever. Herein, we analyzed the differences in its clinical manifestations and risk factors for recurrence between children and adults.

Patients and methods: We retrospectively reviewed the medical records of patients diagnosed with KFD at a tertiary referral hospital between 2005 and 2019. Patients were divided into two groups based on their age: children (<19 years) and adults (≥19 years).

Results: During the 14-year study period, 127 patients were diagnosed with KFD. Among these, 34 (26.8%) were children and 93 (73.2%) were adults. The fever duration was longer and the frequency of myalgia was higher in adults than in children; however, no other significant symptomatic differences were noted between the two groups. Lymph node evaluation was mainly performed using ultrasound in children (61.8%) and computed tomography in adults (78.5%). Moreover, the frequency of antibiotic use was higher in children than in adults (76.5% vs 54.8%, P = 0.027). In adults, multivariable logistic regression analysis revealed anti-nuclear antibody (ANA) positivity (titer ≥1:80) as a risk factor for recurrence (odds ratio: 7.813; 95% confidence interval = 1.818-33.333; P = 0.006).

Conclusion: The clinical features of KFD in children and adults were similar; however, the preferred imaging study and frequency of antibiotic use differed significantly between the two groups. Furthermore, in adults, ANA positivity was associated with KFD recurrence. Thus, patients with KFD who present with ANA positivity at diagnosis will benefit from a regular follow-up for monitoring KFD recurrence.

Keywords: adult; child; histiocytic necrotizing lymphadenitis; recurrence.

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Conflict of interest statement

The authors report no conflicts of interest related to this work.

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