Mega-corpus callosum, polymicrogyria, and psychomotor retardation syndrome
Parayil S Bindu1, Arun B Taly, Sanjib Sinha
1Department of Neurology, National Institute of Mental Health and Neurosciences, Bangalore, India.
Insights
This study details two children with megalencephaly-polymicrogyria-mega-corpus callosum syndrome, revealing brain anomalies and suggesting a genetic basis. The findings point towards a possible autosomal-recessive inheritance pattern for this rare condition.
Area of Science:
- Neurogenetics
- Developmental Neuroscience
- Pediatric Neurology
Background:
- Megalencephaly-polymicrogyria-mega-corpus callosum syndrome (MPMECS) is a rare genetic neurological disorder.
- Understanding its genetic underpinnings and phenotypic spectrum is crucial for diagnosis and management.
Observation:
- Two children from a consanguineous family presented with MPMECS.
- Clinical manifestations included mega-corpus callosum, polymicrogyria, and psychomotor retardation.
- Brain imaging revealed pontine hypoplasia and an abnormal cerebellar vermis in both patients.
Findings:
- The observed cases support the genetic etiology of MPMECS.
- The presentation suggests a potential autosomal-recessive inheritance pattern.
- The findings expand the known spectrum of brain anomalies associated with this syndrome.
Implications:
- This research contributes to the understanding of rare genetic brain malformations.
- It highlights the importance of genetic counseling in families with suspected MPMECS.
- Further research into the specific genes involved in MPMECS is warranted.
Abstract:
We describe two children from a consanguineous family who manifested mega-corpus callosum, polymicrogyria, and psychomotor retardation. These patients also exhibited the brain anomalies of pontine hypoplasia and an abnormal cerebellar vermis. Our report confirms the genetic nature of megalencephaly-polymicrogyria-mega-corpus callosum syndrome, suggests a possible autosomal-recessive inheritance, and expands the spectrum of this rare entity.
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