What are the brain structures that can be affected by ONH/SOD?
Misplacement (ectopic) or absence of the pituitary gland or the pituitary stalk; absence or decreased size of the corpus callosum; absence or decreased size of the septum pellucidum; arachnoid cyst; hypoplasia of the cerebellum; microcephaly. Only arachnoid cysts may require treatment, such as a shunt.