A rare chromosomal anomaly syndrome with highly variable phenotype. Principal characteristics are intrauterine growth retardation, failure to thrive, developmental delay, hypotonia, mild dysmorphic features (including microcephaly, short forehead, upslanting palpebral fissures, hypertelorism, epicanthal folds, wide nasal bridge, broad nasal tip, long philtrum, thin upper lip, micrognathia, short neck), skeletal anomalies (for example kyphosis, brachydactyly, clinodactyly, talipes equinovarus) and dermatological features (including cafe-au-lait spots). Patients may also present ventriculoseptal defects and genital abnormalities (for example genital hypoplasia, phimosis, cryptorchidism). [from
SNOMEDCT_US]