MRI findings in YIF1B-related neurodevelopmental disorder (Kaya-Barakat-Masson syndrome)

 

Minimal prominence of the subarachnoid spaces diffusely. Markedly small size of the corpus callosum (bottom) . There is a mild white matter FLAIR hyperintensity of the cerebral white matter, (top) with T1 hyperintensity involving the bilateral internal capsule and lateral thalami second from top). Additional intrinsic T1 hyperintensity in the brain stem evaluated to better effect on MP-RAGE imaging (third from top).

See: https://childnervoussystem.blogspot.com/2026/01/yif1b-related-neurodevelopmental.html