neurodevelopmental disorder with spastic quadriplegia, optic atrophy, seizures, and structural brain anomalies
Findings
No curated finding names neurodevelopmental disorder with spastic quadriplegia, optic atrophy, seizures, and structural brain anomalies yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Death in childhood
HPO, annotations 2026-09-02
Features
30 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.
- Agenesis of corpus callosumHPOHP:0001274
- 2 of 2 reported patients
- AspirationHPOHP:0002835
- 2 of 2 reported patients
- ColpocephalyHPOHP:0030048
- 2 of 2 reported patients
- Developmental cataractHPOHP:0000519
- 2 of 2 reported patients
- Failure to thriveHPOHP:0001508
- 2 of 2 reported patients
- Flexion contractureHPOHP:0001371
- 2 of 2 reported patients · Infantile onset
- Focal-onset seizureHPOHP:0007359
- 2 of 2 reported patients · Neonatal onset
- Gastroesophageal refluxHPOHP:0002020
- 2 of 2 reported patients
- Generalized-onset seizureHPOHP:0002197
- 2 of 2 reported patients · Neonatal onset
- Hearing impairmentHPOHP:0000365
- 2 of 2 reported patients
- High palateHPOHP:0000218
- 2 of 2 reported patients
- Hip dislocationHPOHP:0002827
- 2 of 2 reported patients
Show the remaining 18
- HyperreflexiaHPOHP:0001347
- 2 of 2 reported patients
- HypertoniaHPOHP:0001276
- 2 of 2 reported patients
- Inability to walkHPOHP:0002540
- 2 of 2 reported patients
- Intrauterine growth retardationHPOHP:0001511
- 2 of 2 reported patients
- Long eyelashesHPOHP:0000527
- 2 of 2 reported patients
- MicrognathiaHPOHP:0000347
- 2 of 2 reported patients
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.
- SEC31AHGNC:17052
- Moderate · PanelApp Australia · Autosomal recessive · 2025
- Limited · Ambry Genetics · Autosomal recessive · 2018
- Limited · Ambry Genetics · Autosomal recessive · 2025
- Limited · Labcorp Genetics (formerly Invitae) · Unknown · 2019
Where it sits
Other names
1 name
Resolves to: neurodevelopmental disorder with spastic quadriplegia, optic atrophy, seizures, and structural brain anomalies
- Also called
- Halperin-Birk syndrome