dystonia 21
MONDO:0013813Mondo
Findings
No curated finding names dystonia 21 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Primary dystonia, DYT21 type is a subtype of mixed dystonia with a late-onset form of pure torsion dystonia.
Definition from the Mondo Disease Ontology (MONDO:0013813), read 2026-09-29. CC BY 4.0.
Features
9 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- DystoniaHPOHP:0001332
- Very frequent (80% to 99% of cases)
- BlepharospasmHPOHP:0000643
- Frequent (30% to 79% of cases)
- Focal dystoniaHPOHP:0004373
- Frequent (30% to 79% of cases)
- Generalized dystoniaHPOHP:0007325
- Frequent (30% to 79% of cases)
- Paroxysmal dystoniaHPOHP:0002268
- Frequent (30% to 79% of cases)
- TorticollisHPOHP:0000473
- Frequent (30% to 79% of cases)
- Axial dystoniaHPOHP:0002530
- Occasional (5% to 29% of cases)
- Laryngeal dystoniaHPOHP:0012049
- Occasional (5% to 29% of cases)
- Limb dystoniaHPOHP:0002451
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
Other names
2 names
Resolves to: dystonia 21
- Also called
- dystonia type 21DYT21