Hypomyelinating leukodystrophy-3 (HLD3)

Hypomyelinating leukodystrophy
Pediatric diseases

General description

Hypomyelinating leukodystrophy-3 (HLD3) is a severe neurologic disorder caused by pathogenic variants in the AIMP1 gene and inherited in an autosomal recessive manner.

The disorder presents in early infancy with microcephaly, nystagmus, severe intellectual disability, delayed motor development, lack of speech acquisition, and peripheral spasticity.

Non-Space occupying lesion

White matter lesion

Anatomical regions
  • Cerebrum
    Cerebral white matter
Symmetric
Bilateral
Diffuse
T1WI
Hypointensity
T2WI
Hyperintensity
Non-Space occupying lesion

Corpus callosum

Anatomical regions
  • Corpus callosum
Bilateral
Morphology
Atrophy
Thinning
Non-Space occupying lesion

Cerebral atrophy

Anatomical regions
  • Cerebrum
Symmetric
Bilateral
Morphology
Atrophy