severe intellectual disability-short stature-behavioral abnormalities-facial dysmorphism syndrome
MONDO:0014238Mondo
Findings
No curated finding names severe intellectual disability-short stature-behavioral abnormalities-facial dysmorphism syndrome 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
- Infantile onset
HPO, annotations 2026-09-02
Features
33 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.
- Aggressive behaviorHPOHP:0000718
- 3 of 3 reported patients
- Frequent (30% to 79% of cases)
- Delayed ability to walkHPOHP:0031936
- 3 of 3 reported patients
- Delayed speech and language developmentHPOHP:0000750
- 3 of 3 reported patients
- Frequent (30% to 79% of cases)
- HyperactivityHPOHP:0000752
- 3 of 3 reported patients
- Occasional (5% to 29% of cases)
- KyphoscoliosisHPOHP:0002751
- 3 of 3 reported patients
- Frequent (30% to 79% of cases)
- MicrocephalyHPOHP:0000252
- 3 of 3 reported patients
- Very frequent (80% to 99% of cases)
- Moderate intellectual disabilityHPOHP:0002342
- 4 of 4 reported patients
- Occasional (5% to 29% of cases)
- Motor stereotypyHPOHP:0000733
- 3 of 3 reported patients
- Frequent (30% to 79% of cases)
- Severe intellectual disabilityHPOHP:0010864
- 3 of 3 reported patients
- Very frequent (80% to 99% of cases)
- Short statureHPOHP:0004322
- 3 of 3 reported patients
- Frequent (30% to 79% of cases)
- Abnormal facial shapeHPOHP:0001999
- Very frequent (80% to 99% of cases)
- Global developmental delayHPOHP:0001263
- Very frequent (80% to 99% of cases)
Show the remaining 21
- Dental malocclusionHPOHP:0000689
- 2 of 3 reported patients
- Atypical behaviorHPOHP:0000708
- Frequent (30% to 79% of cases)
- ScoliosisHPOHP:0002650
- Frequent (30% to 79% of cases)
- Sleep disturbanceHPOHP:0002360
- 1 of 3 reported patients
- Frequent (30% to 79% of cases)
- 2-3 toe syndactylyHPOHP:0004691
- Occasional (5% to 29% of cases)
- Abnormal cerebral white matter morphologyHPOHP:0002500
- Occasional (5% to 29% of cases)
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.
- TTI2HGNC:26262
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2022
- Strong · G2P · Autosomal recessive · 2015
- Strong · PanelApp Australia · Autosomal recessive · 2025
- Moderate · Ambry Genetics · Autosomal recessive · 2019
- Supportive · Orphanet · Autosomal recessive · 2021
Where it sits
Other names
2 names
Resolves to: severe intellectual disability-short stature-behavioral abnormalities-facial dysmorphism syndrome
- Also called
- intellectual disability, autosomal recessive type 39mental retardation, autosomal recessive type 39