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Lack of septum pellucidum, hypoplastic optic nerves and chiasm, and small pituitary gland with absent posterior bright spot are characteristic findings of septo-optic dysplasia. There was no associated schizencephaly, a common association.

• MRI (T2):
  Axial T2 showing absence of the septum pellucidum.
• MRI (T1):
  Coronal T1 showing absence of the septum pellucidum and abnormal appearance of the inferior aspects of the lateral ventricles.
• MRI (T2):
  Coronal T2 showing a hypoplastic optic chiasm with absence of the septum pellucidum and abnormal appearance of the inferior aspects of the lateral ventricles.
• MRI (T1):
  Sagittal T1 shows absence of the normal posterior pituitary bright spot and a small pituitary gland and optic chiasm.