Distal duplication 18q syndrome
ORPHA:1716· ICD-10 Q92.3
Definition
A rare, partial autosomal trisomy characterized by a variable phenotype that includes hypotonia, motor delay, mild to severe intellectual disability, seizures, variable cerebral anomalies, finger/toe syndactyly, fifth finger clinodactyly, strabismus, short neck and dysmorphic facial features.
- Prevalence
- 1-9 / 1 000 000
- Age of onset
- Antenatal, Neonatal