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Syndrome of septo-optic-pituitary dysplasia: the clinical spectrum
Insights
Septo-optic-pituitary dysplasia involves brain, optic nerve, and pituitary issues. Full evaluation is crucial for patients with any of these conditions due to high comorbidity.
Area of Science:
- Pediatric Endocrinology
- Neuro-ophthalmology
- Developmental Neuroscience
Background:
- Septo-optic-pituitary dysplasia (SOPD) is a complex congenital disorder.
- It presents with midline brain abnormalities, optic nerve hypoplasia, and pituitary hormone deficiencies.
Purpose of the Study:
- To describe clinical variations of SOPD in four infants.
- To review literature on optic nerve hypoplasia and associated SOPD features.
- To determine the necessity of comprehensive evaluation for suspected SOPD.
Main Methods:
- Case study of four infants with clinical variations of SOPD.
- Literature review of 191 patients with bilateral optic nerve hypoplasia.
- Analysis of radiographic imaging and pituitary function tests in reviewed patients.
Main Results:
- The four infants presented with diverse combinations of brain and pituitary abnormalities.
- In literature review, 60% of patients with optic nerve hypoplasia had brain abnormalities.
- 62% of patients evaluated for pituitary function showed insufficiency; 30% had all three SOPD components.
Conclusions:
- Optic nerve hypoplasia is frequently associated with structural brain anomalies and pituitary insufficiency.
- Patients presenting with any component of SOPD warrant thorough neuroimaging and endocrine evaluation.
- Early and comprehensive assessment is vital for managing this syndrome.
Abstract:
Septo-optic-pituitary dysplasia is a syndrome characterized by abnormalities of midline brain structures, optic nerve hypoplasia, and congenital hypothalamic-pituitary insufficiency. Four infants, diagnosed as having clinical variations of this disorder, are described. The first had agenesis of the septum pellucidum and corpus callosum, partial hypothalamic insufficiency, and normal optic nerves. The second had a structurally normal brain, bilateral optic nerve hypoplasia, and panhypopituitarism. The third had bilateral agenesis of the cerebral cortex, bilateral optic nerve hypoplasia and partial hypothalamic insufficiency. The fourth had a structurally normal brain, unilateral optic nerve hypoplasia and panhypopituitarism. A review of the recent literature revealed 191 patients with bilateral optic nerve hypoplasia who were examined for possible existence of this syndrome. Of the 178 patients who had radiographic imaging of the brain, 60% were found to have structural abnormalities. Of the 145 patients evaluated for pituitary function, 62% had evidence of insufficiency. Approximately 30% of fully evaluated patients had evidence of all three components of the syndrome. Because of high incidence of structural abnormalities of the brain and congenital hypopituitarism in patients with optic nerve hypoplasia, we conclude that full evaluation is indicated in patients with any of the three components of the syndrome.