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GENATLAS PHENOTYPE
last update : 17-11-2021
Symbol NEDSPLB
Location 22q11.21
Name neurodevelopmental disorder with spasticity, hypomyelinating leukodystrophy, and brain abnormalities
Other name(s) polymicrogyria, perisylvian, with cerebellar hypoplasia and arthrogryposis
Corresponding gene PI4KA
Other symbol(s) PMGYCHA
Main clinical features
  • spasticity, hypomyelinating leukodystrophy, and brain abnormalities
  • global developmental delay with impaired intellectual development and poor or absent speech, axial hypotonia, and peripheral spasticity and hyperreflexia
  • brain imaging shows hypomyelination with decreased white matter volume, cerebral and cerebellar atrophy, and thin corpus callosum
  • Genetic determination autosomal recessive
    Function/system disorder mental retardation
    neurology
    Type disease
    Remark(s)