Overview
Spinocerebellar ataxia type 20 is a disorder.
Auto-generated from clinical reference data. Not a substitute for medical advice.
Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Difficulty articulating speech
Very frequent (80-99%)HP:0001260
Abnormal deposits of calcium in the brain
Frequent (30-79%)HP:0002514
Appendicular ataxia
Frequent (30-79%)HP:0002070
Degeneration of cerebellum
Frequent (30-79%)HP:0001272
Dysphonia
Frequent (30-79%)HP:0001618
Hypermetric saccades
Frequent (30-79%)HP:0007338
Palatal tremor
Frequent (30-79%)HP:0010530
Slowness of movements
Frequent (30-79%)HP:0002067
Spasmodic dysphonia
Frequent (30-79%)HP:0012049
Tremor by anatomical site
Frequent (30-79%)HP:0030188
Action tremor
Occasional (5-29%)HP:0002345
Ataxia
Occasional (5-29%)HP:0001251
Corticospinal signs
Occasional (5-29%)HP:0007256
Downbeat nystagmus
Occasional (5-29%)HP:0010545
Dystonia tremor
Occasional (5-29%)HP:0030185
Essential tremor
Occasional (5-29%)HP:0030186
Gaze-evoked nystagmus
Occasional (5-29%)HP:0000640
Inability to coordinate movements when walking
Occasional (5-29%)HP:0002066
Increased reflexes
Occasional (5-29%)HP:0001347
Involuntary, rapid, rhythmic eye movements
Occasional (5-29%)HP:0000639
Postural tremor
Occasional (5-29%)HP:0002174
Upper limb postural tremor
Occasional (5-29%)HP:0007351
Vertigo
Occasional (5-29%)HP:0002321
Terminal tremor
Very rare (1-4%)HP:0002080
High pitched voice
HP:0001620
Quick Facts
- SNOMED CT
- 718771009
- UMLS CUI
- C1837541
- Fully Specified Name
- Spinocerebellar ataxia type 20 (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 25
Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.
Clinical content is derived from the SNOMED CT clinical ontology and curated medical knowledge graphs.