<unk>  <unk>  (de Morsier syndrome) is a congenital malformation syndrome manifested by hypoplasia (underdevelopment) of the optic nerve, hypopituitarism, and absence of the<unk> m pellucidum (a midline part of the brain). In a severe case, this results in pituitary hormone deficiencies, blindness, and mental retardation. However, there are milder degrees of each of the three problems, and some children only have one or two of the three.
Neuroradiologically, intracranial malformations associated with<unk>  include agenesis of the corpus callosum, schizencephaly, and lobar holoprosencephaly.
Septo-optic dysplasia
Aponeurosis
Morning glory disc anomaly
Optic nerve sheath meningioma
X-linked congenital stationary night blindness
Alexander disease
Optic nerve glioma
Oculomotor nerve palsy