<unk>  or Autosomal recessive mental retardation-61 (MRT61) is an autosomal recessive neurodevelopmental disorder characterized by delayed psychomotor development, intellectual disability, and variable abnormal facial features. Severe patients may develop refractory seizures and have brain abnormalities, including hypoplasia of the corpus callosum.<unk>  attributed to mutation in RUSC2 gene on chromosome 9p13.3. __TOC__
Alwadei syndrome
MELAS syndrome
Schwartz–Matsuo syndrome
Witteveen–Kolk syndrome
RAPADILINO syndrome
Pashayan syndrome
HAIR-AN syndrome
STAR syndrome