neurodevelopmental disorder with hypotonia and speech delay, with or without seizures
MONDO:0957541Mondo
Findings
No curated finding names neurodevelopmental disorder with hypotonia and speech delay, with or without seizures yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal dominant inheritance · Autosomal recessive inheritance
- Onset and course
- Infantile onset
HPO, annotations 2026-09-02
Features
74 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.
- Absent speechHPOHP:0001344
- 8 of 8 reported patients
- Anteverted naresHPOHP:0000463
- 1 of 1 reported patient
- Arachnoid cystHPOHP:0100702
- 1 of 1 reported patient
- Attention deficit hyperactivity disorderHPOHP:0007018
- 1 of 1 reported patient
- Atypical absence seizureHPOHP:0007270
- 1 of 1 reported patient
- AutismHPOHP:0000717
- 3 of 3 reported patients
- Bilateral tonic-clonic seizureHPOHP:0002069
- 1 of 1 reported patient
- BlindnessHPOHP:0000618
- 2 of 2 reported patients
- Cerebellar vermis hypoplasiaHPOHP:0001320
- 3 of 3 reported patients
- Cerebral visual impairmentHPOHP:0100704
- 2 of 2 reported patients
- ChordeeHPOHP:0000041
- 1 of 1 reported patient
- ConstipationHPOHP:0002019
- 4 of 4 reported patients
Show the remaining 62
- Delayed fine motor developmentHPOHP:0010862
- 11 of 11 reported patients
- Delayed gross motor developmentHPOHP:0002194
- 13 of 13 reported patients
- Delayed speech and language developmentHPOHP:0000750
- 6 of 6 reported patients
- Diminishment of social interactionsHPOHP:5200310
- 1 of 1 reported patient
- DysphagiaHPOHP:0002015
- 5 of 5 reported patients
- Enlarged cisterna magnaHPOHP:0002280
- 1 of 1 reported patient
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.
- EIF4A2HGNC:3284
- Strong · Ambry Genetics · Autosomal dominant · 2023
- Strong · PanelApp Australia · Semidominant · 2025
- Moderate · G2P · Autosomal dominant · 2025
- Limited · Ambry Genetics · Autosomal recessive · 2023
- Limited · G2P · Autosomal recessive · 2025