Abstract
ABSTRACT Background Childhood chronic non-infectious uveitis (cNIU) is a challenging disease whose differential diagnosis may include demyelinating diseases. We aim to describe the white matter abnormalities (WMA) in brain MRI in childhood cNIU. Methods This is a multicentric retrospective study involving children with cNIU followed at the Pediatric rheumatology units of Florence and the ophthalmology department of the UMC Utrecht who underwent a Brain MRI. Demographic, clinical, laboratory and imaging information was collected. The presence of WMA was considered as the main outcome Results Data of 123 children was collected (66 from Utrecht and 57 from Florence), of whom 51 were males, with a median uveitis onset at age 9 years (range 3–16) for the UMC Utrecht and 8.75 years (range 1.6–15.1) for Florence. We evaluated 39 children with anterior uveitis, 35 with intermediate uveitis, 1 with posterior uveitis and 48 with panuveitis. Uveitis was idiopathic in 105. On brain MRI, 33 patients (26.8%) showed WMA, and most of them had non-anterior uveitis (72.8%). WMA were more frequent in males (χ2 5.25, p = 0.02). No difference in underlying systemic disease was seen between patients with and without WMA, but 40% of patients with TINU and 27.3% of patients with idiopathic uveitis showed WMA. None of the patients received a diagnosis of demyelinating disease during follow-up. Conclusion As WMA were found in 26.8% of patients who were screened in our cohort, brain MRI might be useful in cNIU. However, the clinical significance of these WMA could not be determined in this study. An interdisciplinary evaluation is necessary to assess the appropriate management, and a longer follow up is necessary to determine the prognosis of some of these WMA.
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