Unclassified cerebellar dysplasia

Unclassified cerebellar dysplasia is defined as focal or diffuse dysplasia of cerebellar hemispheres or vermis not associated with other known malformations or syndromes.

Can present with hypotonia, microcephaly or speech delay.

MRI brain
  • asymmetry or focal disruption of cerebellar folial and sulcal morphology
  • disorganised and disordered foliation
  • enlarged and vertically oriented fissures
  • cerebellar gray white matter heterotopia
  • bumby gray-white matter interface in cerebellum
  • lack of normal arborization of white matter
  • abnormal hyperintense signal in subcortical white matter
Associated findings
  • corpus callosal agenesis/dysgenesis
  • macro-/microscopic heterotopia
  • cerebral cortical dysplasia

On imaging consider

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Article Information

rID: 46917
Section: Pathology
Tag: case
Synonyms or Alternate Spellings:
  • Diffuse cerebellar dysplasia
  • Cerebellar cortical dysplasia
  • Cerebellar dysplasia

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