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Septo-optic dysplasia with infantile spasms
M Kuriyama1, Y Shigematsu, K Konishi
1Department of Pediatrics, Fukui Medical School, Japan.
Insights
This case report details a boy with septo-optic dysplasia and infantile spasms, highlighting severe neurological and endocrine complications. The study emphasizes the complex, multi-systemic challenges associated with this rare condition.
Area of Science:
- Pediatric Neurology
- Developmental Neuroscience
- Clinical Genetics
Background:
- Septo-optic dysplasia is a congenital disorder characterized by abnormalities of the optic nerve, midline brain structures, and pituitary gland.
- Infantile spasms, a severe epilepsy syndrome, often presents in infancy and is associated with significant developmental delays.
Observation:
- A 21-month-old boy presented with a history of neonatal convulsions, hypoglycemia, and apnea, progressing to infantile spasms and developmental deterioration.
- Clinical findings included left hemiparesis, short stature, micropenis, cryptorchidism, right microphthalmia, and optic disc coloboma.
- Neuroimaging revealed brain atrophy, corpus callosum hypoplasia, and a small pituitary gland.
Findings:
- The patient exhibited refractory infantile spasms, with electroencephalography showing multifocal spikes and later hypsarrhythmia.
- Endocrinologic testing confirmed hypofunction of the hypophysial anterior lobe, indicating panhypopituitarism.
- The combination of septo-optic dysplasia, infantile spasms, and panhypopituitarism underscores a severe neurodevelopmental phenotype.
Implications:
- This case highlights the critical need for early diagnosis and comprehensive multidisciplinary management in patients with septo-optic dysplasia and infantile spasms.
- Understanding the spectrum of complications, including endocrine dysfunction, is crucial for optimizing patient outcomes.
- Further research into the genetic and molecular underpinnings of this complex syndrome may reveal novel therapeutic targets.
Abstract:
A 21-month-old boy with septo-optic dysplasia and infantile spasms is reported. Eighteen hours after birth he had generalized convulsions, dyspnea, and hypoglycemia which were followed by recurrent clonic seizures despite administration of phenobarbital and valproic acid. At 16 months of age he had hypoglycemia and apnea attacks during varicella infection. At 19 months of age left hemiconvulsions and left hemiparesis occurred; his mental and motor development, which had been delayed but progressive, deteriorated. Tonic spasms appeared at 21 months of age and electroencephalography revealed multifocal spikes. At 27 months of age electroencephalography disclosed hypsarrhythmia. Cranial computed tomography depicted brain atrophy, right microphthalmia, and intact septum pellucidum. Magnetic resonance imaging demonstrated hypoplasia of the corpus callosum and a small pituitary gland. Coloboma of the right optic disc was detected. Physical examination revealed short stature, left hemiparesis, micropenis, and cryptorchidism. Endocrinologic loading tests revealed hypofunction of the hypophysial anterior lobe.