Понтоцеребеллярна гіпоплазія тип 4

Визначення(English summary)

A severe, genetic form of pontocerebellar hypoplasia (PCH) characterized by delayed neocortical maturation with underdeveloped cerebral hemispheres and pontocerebellar hypoplasia and a severely affected vermis. Clinically, the disorder manifests with prenatal onset of polyhydramnios and contractures followed by hypertonia, severe clonus, primary hypoventilation leading to an early postnatal death.