Pediatric Septo-optic Dysplasia

Pediatric Septo-optic Dysplasia



Septo-optic dysplasia is a rare condition that affects the structures along the midline of the brain, the formation of the optic nerve and the formation of the pituitary gland.

Expanded Overview

Septo-optic dysplasia is a rare congenital (present at birth) disorder that happens during early brain development.

Septo-optic dysplasia causes abnormal development of the corpus callosum and septum pellucidum – the structures that separate the right and left halves of the brain. This can lead to abnormal brain development, intellectual disabilities and neurological problems.

Children with septo-optic dysplasia also have underdeveloped optic nerves, which carry information from the eyes to the brain and determine vision. Septo-optic dysplasia also causes a child to have an underdeveloped pituitary gland, which means they may not produce enough of the critical hormones needed to regulate growth, blood sugar and blood pressure.


It is not known if septo-optic dysplasia is caused by a genetic mutation or environmental factors, such as a virus or reaction to a medication.


Signs and symptoms of septo-optic dysplasia may include:

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