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Start free with EleplanSpinocerebellar ataxia type 28
ORPHA:101109Disease
Also called SCA28
What it is
Spinocerebellar ataxia type 28 (SCA28) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I). It is characterized by juvenile onset, slowly progressive cerebellar ataxia due to Purkinje cell degeneration.
Key facts
- Age of onset
- Childhood
- Inheritance
- Autosomal dominant
- Classified as
- Disease
Signs and symptoms
Rare1–4%
9- Atypical behavior
- Cognitive impairment
- Depression
- Dystonia
- Head tremor
- Limb dystonia
- Memory impairment
- Rigidity
and 1 more in this range
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
Gene
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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