developmental malformations-deafness-dystonia syndrome
Findings
No curated finding names developmental malformations-deafness-dystonia syndrome yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Developmental malformations-deafness-dystonia syndrome is characterized by the association of midline malformations, sensory hearing loss, and a delayed-onset generalized dystonia syndrome.
Definition from the Mondo Disease Ontology (MONDO:0011823), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal dominant inheritance
- Onset and course
- Congenital onset · Death in early adulthood
HPO, annotations 2026-09-02
Features
32 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.
- AchalasiaHPOHP:0002571
- 2 of 2 reported patients · Childhood onset
- Very frequent (80% to 99% of cases)
- Cleft palateHPOHP:0000175
- 2 of 2 reported patients
- Cleft upper lipHPOHP:0000204
- 2 of 2 reported patients
- DysarthriaHPOHP:0001260
- 2 of 2 reported patients · Juvenile onset
- DysphagiaHPOHP:0002015
- 2 of 2 reported patients
- Very frequent (80% to 99% of cases)
- Femoral retroversionHPOHP:0008796
- 2 of 2 reported patients
- Very frequent (80% to 99% of cases)
Show the remaining 20
- Mild global developmental delayHPOHP:0011342
- 2 of 2 reported patients
- Mild intellectual disabilityHPOHP:0001256
- 2 of 2 reported patients
- Motor delayHPOHP:0001270
- 2 of 2 reported patients
- Oculogyric crisisHPOHP:0010553
- 2 of 2 reported patients · Young adult onset
- Pseudobulbar paralysisHPOHP:0007024
- 2 of 2 reported patients
- Sensorineural hearing impairmentHPOHP:0000407
- 2 of 2 reported patients · Childhood onset
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- ACTBHGNC:132
- Strong · Genomics England PanelApp · Autosomal dominant · 2021
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2022
- Supportive · Orphanet · Autosomal dominant · 2021
- Limited · Illumina · Autosomal dominant · 2019