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"SEPTO-OPTIC DYSPLASIA"

“ Mild holoprosencephaly (very similar to lobar type). It is a combination of a hypoplastic optic nerve , an absent septum pellucidum and a...

Mild holoprosencephaly (very similar to lobar type). It is a combination of a hypoplastic optic nerve, an absent septum pellucidum and a hypoplastic pituitary. Presents with a visual defect, pituitary dysfunction (45%) and seizures.
MRI

 Small optic chiasm and nerves
•  Absent septum pellucidum
•  Ectopic posterior pituitary
•  Associated with cortical abnormalities in up to 90%, most commonly schizencephaly