Connatal Leigh disease
1Department of Neurology, Loyola University Medical Center, Maywood, IL 60153, USA.
Insights
Leigh disease can present as a static encephalopathy in infants, differing from its usual degenerative course. This highlights the importance of considering hereditary neurodegenerative disorders in congenital static encephalopathy cases.
Area of Science:
- Neuroscience
- Genetics
- Pediatric Neurology
Background:
- Leigh disease is typically characterized by a progressive neurodegenerative course with developmental regression.
- Congenital static encephalopathy presents as a non-progressive neurological disorder present from birth.
Observation:
- Two pediatric cases of pathology-proven Leigh disease exhibited a static encephalopathy.
- These children presented with early-onset seizures and a failure to achieve developmental milestones from birth.
Findings:
- The observed presentation contrasts with the typical degenerative trajectory of Leigh disease.
- Similar congenital static presentations have been noted in other hereditary neurodegenerative disorders, like Pelizaeus-Merzbacher disease.
Implications:
- Heredodegenerative disorders should be included in the differential diagnosis for severe congenital static encephalopathy.
- Early consideration of these genetic conditions is crucial for accurate diagnosis and management of infants with unexplained static encephalopathy.
Abstract:
Two children are described with pathology-proven Leigh disease. Rather than the typical degenerative course with loss of acquired development, they presented with a static encephalopathy manifested by seizures from birth and failure to acquire any milestones. A similar connatal presentation has been reported in other degenerative disorders, such as Pelizaeus-Merzbacher disease. Heredodegenerative disorders should be considered when no cause is discovered for a severe, congenital, static encephalopathy.
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