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Start free with EleplanProgressive cerebello-cerebral atrophy
ORPHA:247198Disease
Also called PCCA
What it is
A rare genetic neurological disorder characterized by postnatal onset of severe global developmental delay, profound mental retardation, progressive microcephaly, progressive spasticity evolving into spastic quadriplegia with joint contractures, generalized seizures, and irritability. Severe choreoathetosis and dysmorphic features are absent. Brain imaging shows progressive cerebellar atrophy followed by cerebral atrophy affecting both white and grey matter, but no pontine involvement.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Infancy, Neonatal
- Inheritance
- Autosomal recessive
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Genes
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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