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Features include always present findings: Toe syndactyly, Retrognathia, Wide nasal bridge, and Tongue nodules and others; and common findings: Epicanthus, Narrow palate, Strabismus, and Narrow mouth and others. 40 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Head and neck | 4 | Narrow palate, Cleft soft palate, High palate |
SCNM1 function has not been fully characterized.
Orofaciodigital syndrome 19 is associated with mutations in the SCNM1 gene on chromosome 1.
Genetic testing for SCNM1 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 8 always present features, 14 common features.
Data assembled from 4 of 12 sources · Last updated Sep 19, 2026, 3:01 PM UTC
Online Mendelian Inheritance in Man
Arms and legs |
3 |
Toe syndactyly, Postaxial hand polydactyly, Postaxial foot polydactyly |
Brain and nerves | 2 | Intellectual disability, Delayed speech and language development |
Eyes | 1 | Strabismus |
Skin | 1 | Tongue nodules |