neurodevelopmental disorder with microcephaly, seizures, and brain atrophy
MONDO:0033662Mondo
Findings
No curated finding names neurodevelopmental disorder with microcephaly, seizures, and brain atrophy 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 adolescence
HPO, annotations 2026-09-02
Features
23 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.
- HyperreflexiaHPOHP:0001347
- 3 of 3 reported patients
- Hypoplasia of the corpus callosumHPOHP:0002079
- 3 of 3 reported patients
- MicrocephalyHPOHP:0000252
- 3 of 3 reported patients
- SeizureHPOHP:0001250
- 3 of 3 reported patients · Infantile onset
- Severe global developmental delayHPOHP:0011344
- 3 of 3 reported patients
- SpasticityHPOHP:0001257
- 3 of 3 reported patients
- ExotropiaHPOHP:0000577
- 2 of 3 reported patients
- Flexion contractureHPOHP:0001371
- 2 of 3 reported patients
- Long eyelashesHPOHP:0000527
- 2 of 3 reported patients
- Muscle weaknessHPOHP:0001324
- 2 of 3 reported patients
- Round faceHPOHP:0000311
- 2 of 3 reported patients
- Bilateral tonic-clonic seizure with generalized onsetHPOHP:0025190
- 1 of 3 reported patients · Infantile onset
Show the remaining 11
- Choroid plexus cystHPOHP:0002190
- 1 of 3 reported patients · Infantile onset
- CraniosynostosisHPOHP:0001363
- 1 of 3 reported patients
- Delayed CNS myelinationHPOHP:0002188
- 1 of 3 reported patients
- HypertoniaHPOHP:0001276
- 1 of 3 reported patients
- HypotoniaHPOHP:0001252
- 1 of 3 reported patients
- HypsarrhythmiaHPOHP:0002521
- 1 of 3 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.
- EXOC8HGNC:24659
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2022
- Moderate · LiferaOmics · Autosomal recessive · 2026
- Limited · Ambry Genetics · Autosomal recessive · 2022
Where it sits
Other names
1 name
Resolves to: neurodevelopmental disorder with microcephaly, seizures, and brain atrophy
- Also called
- NEDMISB