| A rare chromosomal anomaly syndrome with a variable phenotype. Manifestations range from clinically normal to patients presenting intrauterine growth retardation, congenital heart anomalies (mainly ventricular septal defect), multiple dysmorphic features (hypertelorism, prominent nasal bridge) and other congenital anomalies (including eventration of diaphragm, agenesis of corpus callosum, cloverleaf skull, clinodactyly, anteriorly placed anus). Psychomotor development may be normal in spite of low growth parameters being associated. |