MRI appearances of septo-optic dysplasia
(a) Anterior pituitary hypoplasia and absent infundibulum associated with bilateral optic nerve hypoplasia. The posterior pituitary is ectopic. There is an absence of the septum pellucidum.
(b) Ectopic posterior pituitary, anterior pituitary hypoplasia, absence of the infundibulum and partial absence of the septum pellucidum associated with optic nerve hypoplasia.
CC, corpus callosum; AP, anterior pituitary; PP, posterior pituitary; SP, septum pellucidum; OC, optic chiasm.
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