| A rare chromosomal anomaly syndrome with a highly variable phenotype. Principle characteristics are prenatal/postnatal growth failure, intellectual disability, developmental delay, craniofacial dysmorphism (including microcephaly, microphthalmia, epicanthus, low-set and malformed ears, broad and flat nasal bridge, full lips, micrognathia), central nervous system anomalies (for example hydrocephalus, cortical atrophy, ventriculomegaly), short neck, and delayed bone age. Cardiac defects, limb anomalies, hip joint malformations and seizures have also been reported. |