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Clinical characteristics of pediatric-onset neuro-Behçet disease
D Uluduz1, M Kürtüncü, Z Yapıcı
1Department of Neurology and Division of Rheumatology, Cerrahpaşa School of Medicine, Istanbul University, Istanbul, Turkey.
Insights
Pediatric neuro-Behçet disease (NBD) is rare, often presenting as dural venous sinus thrombosis in males. Adult NBD predominantly involves parenchymal CNS, suggesting different disease mechanisms based on age at onset.
Area of Science:
- Neurology
- Pediatric Rheumatology
- Autoimmune Diseases
Background:
- Neurologic involvement in Behçet disease (BD) is infrequently reported in children.
- Understanding pediatric BD neurological manifestations is crucial for early diagnosis and management.
Purpose of the Study:
- To determine the frequency and characteristics of neurologic involvement in pediatric patients with Behçet disease (BD).
- To compare neurologic manifestations between pediatric and adult BD patients.
Main Methods:
- Retrospective analysis of 728 neuro-Behçet disease (NBD) patients from two large BD cohorts.
- Identification of pediatric NBD cases (onset ≤16 years) and comparison with adult NBD patients.
- Evaluation of demographic and clinical data, including CNS imaging.
Main Results:
- Pediatric NBD accounted for 3.6% of the cohort (26 cases).
- Pediatric NBD showed a male predominance (5.5:1) and primarily involved dural venous sinus thrombosis (88.5%).
- Adult NBD predominantly featured parenchymal CNS involvement (74.8%) and venous sinus thrombosis in only 17.2%.
Conclusions:
- Pediatric NBD is uncommon, male-predominant, and typically presents as dural venous sinus thrombosis.
- Adult NBD more frequently involves parenchymal CNS lesions.
- The differing patterns suggest distinct pathogenetic mechanisms for NBD based on age of onset.
Objectives:
Neurologic involvement in the pediatric population with Behçet disease (BD) is limited to case reports. The aim of this study is to examine the frequency and type of neurologic involvement in pediatric patients with BD.
Methods:
Medical records of 728 patients with a diagnosis of neuro-BD (NBD) of 2 large BD cohorts followed in Istanbul University were included in the study. Patients with an onset of both systemic and neurologic symptoms at or before age 16 (pediatric neuro-BD) were identified. Demographic and clinical characteristics of pediatric patients with NBD were compared with adult patients with NBD.
Results:
There were 26 cases with pediatric BD (3.6%) and 702 (96.4%) adult-onset patients. Gender ratio was equal in the general pediatric BD cohort, whereas male/female ratio was 5.5/1 in pediatric NBD cases. Mean age at BD onset and neurologic involvement onset were 13.0 ± 3.0 and 13.5 ± 2.4, respectively, and in the adult population mean age at onset of BD was 26.7 ± 8.0 and neurologic involvement occurred a mean of 5.3 ± 4.5 years later. Clinical and MRI evaluation revealed that 3 children had CNS parenchymal involvement and 23 had dural venous sinus thrombosis (88.5%). We observed parenchymal involvement in 74.8% of the adults, contrary to the low 17.2% of cases with venous sinus thrombosis.
Conclusions:
Pediatric NBD comprises 3.6% of our whole NBD cohort, with a male predominance, mainly in the form of dural venous sinus thrombosis, whereas in the adult NBD population the dominant form of neurologic involvement is parenchymal, suggesting that the pathogenesis of NBD may be different according to the age at disease onset.
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