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Features include common findings: Triangular face, Small for gestational age, Frontal bossing, and Clinodactyly of the 5th finger; and sometimes findings: Cleft palate, Facial asymmetry, Bone and joint problems (abnormality of the skeletal system), and Excessive sweating (hyperhidrosis) and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Head and neck | 4 | Triangular face, Cleft palate, Facial asymmetry |
Phenotype severity distribution: 4 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
1 clinical trial registered, 1 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
1 publication has been identified in PubMed for silver-Russell syndrome due to maternal uniparental disomy of chromosome 11. Research spans Epidemiology / Natural History (100%).
Kim J (2026). [PMID: 40675935](https://pubmed.ncbi.nlm.nih.gov/40675935/). *Ann Lab Med*. [Epidemiology / Natural History]
Data assembled from 5 of 12 sources · Last updated Sep 21, 2026, 4:55 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Arms and legs |
2 |
Clinodactyly of the 5th finger, Lower limb asymmetry |
Brain and nerves | 2 | Global developmental delay, Delayed gross motor development |
Growth and development | 2 | Intrauterine growth retardation, Asymmetric growth |
Digestive system | 2 | Feeding difficulties in infancy, Gastrojejunal tube feeding in infancy |
Bones and joints | 1 | Bone and joint problems (abnormality of the skeletal system) |
Skin | 1 | Excessive sweating (hyperhidrosis) |
Heart and blood vessels | 1 | Abnormal heart morphology |
Muscles | 1 | Delayed gross motor development |