8p11.2 deletion syndrome is a contiguous gene syndrome characterized by the association of congenital spherocytosis, dysmorphic features, growth delay and hypogonadotropic hypogonadism.

Hydrocephalus is an active distension of the ventricular system of the brain resulting from inadequate passage of CSF from its point of production within the cerebral ventricles to its point of absorption into the systemic circulation.