Presentation
Strabismus and decreased visual acuity.
Patient Data
Brain:
the septum pellucidum is absent
other midline structures, such as the pituitary gland, cerebellar vermis, and corpus callosum, display normal morphology
Orbits:
there is diffuse hypoplasia of the left optic nerve
there is also asymmetric hypoplasia of the left optic chiasm, which otherwise displays normal signal intensity
the right optic nerve displays normal course, caliber, and signal intensity
the globes maintain normal morphology bilaterally
Case Discussion
This is a case of an absent septum pellucidum with associated hypoplasia of the left optic nerve, compatible with septo-optic dysplasia.
Overall, the patient is doing well since the above MRI. There is no evidence of pituitary/endocrine dysfunction.
Co-authors:
Ananth Narayan, MD
Joseph Giampa, DO
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