Septo-optic dysplasia sequence
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Sign InDescription
Septooptic dysplasia is a clinically heterogeneous disorder loosely defined by any combination of optic nerve hypoplasia, pituitary gland hypoplasia, and midline abnormalities of the brain, including absence of the corpus callosum and septum pellucidum (Dattani et al., 1998). The diagnosis of this rare congenital anomaly is made when 2 or more features of the classic triad are present. Approximately 30% of patients have complete manifestations, 62% display hypopituitarism, and 60% have an absent septum pellucidum. The disorder is equally prevalent in males and females and is more common in infants born to younger mothers, with a reported incidence of 1 in 10,000 live births (summary by Webb and Dattani, 2010). Also see 516020.0012 for a form of septooptic dysplasia associated with cardiomyopathy and exercise intolerance.
Mode of Inheritance
- Autosomal dominant inheritance
- Autosomal recessive inheritance
VARIANTS
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