Cornelia de Lange syndrome 4
Findings
No curated finding names Cornelia de Lange syndrome 4 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any Cornelia de Lange syndrome in which the cause of the disease is a mutation in the RAD21 gene.
Definition from the Mondo Disease Ontology (MONDO:0013864), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal dominant inheritance
- Onset and course
- Fetal onset
HPO, annotations 2026-09-02
Features
40 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.
- 2-3 toe syndactylyHPOHP:0004691
- 2 of 2 reported patients
- Flat faceHPOHP:0012368
- 1 of 1 reported patient
- Global developmental delayHPOHP:0001263
- 5 of 5 reported patients
- Lobar holoprosencephalyHPOHP:0006870
- 1 of 1 reported patient
- MicrocephalyHPOHP:0000252
- 4 of 4 reported patients
- Thin upper lip vermilionHPOHP:0000219
- 2 of 2 reported patients
- VentriculomegalyHPOHP:0002119
Show the remaining 28
- Bilateral ptosisHPOHP:0001488
- 1 of 2 reported patients
- BrachydactylyHPOHP:0001156
- 1 of 2 reported patients
- Coxa varaHPOHP:0002812
- 1 of 2 reported patients
- Cutis marmorataHPOHP:0000965
- 1 of 2 reported patients
- Enamel agenesisHPOHP:0033785
- 1 of 2 reported patients
- Highly arched eyebrowHPOHP:0002553
- 1 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.
- RAD21HGNC:9811
- Definitive · G2P · Autosomal dominant · 2023
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2023
- Strong · PanelApp Australia · Autosomal dominant · 2025
- Moderate · Ambry Genetics · Autosomal dominant · 2015
Where it sits
Other names
3 names
Resolves to: Cornelia de Lange syndrome 4
- Also called
- Cornelia de Lange syndrome caused by mutation in RAD21Cornelia De Lange syndrome type 4RAD21 Cornelia de Lange syndrome