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Unilateral megalencephaly associated with contralateral neuronal migration defect.
A Arslan1, A Demirci, E Ciftçi
1Department of Radiology, Faculty of Medicine, Kocaeli University, Turkey. arzuarslan@superonline.com
Australasian Radiology
|July 21, 2000
Summary
This report details a rare case of unilateral megalencephaly, a condition of one-sided brain overgrowth. It was associated with developmental brain abnormalities on the opposite side, including cortical dysplasia and grey matter heterotopia.
Area of Science:
- Neuroscience
- Developmental Biology
- Clinical Neurology
Background:
- Unilateral megalencephaly is a rare congenital brain malformation.
- Associated conditions often include cortical malformations and heterotopia.
Observation:
- A case study involving a patient with unilateral megalencephaly.
- The condition was accompanied by contralateral cortical dysplasia and grey matter heterotopia.
- The corpus callosum showed genetic abnormalities, and the basal ganglia were dysplastic.
Findings:
- The observed case presents a complex pattern of brain maldevelopment.
- This includes unilateral overgrowth alongside contralateral cortical and subcortical developmental anomalies.
- Genetic factors may play a role in the observed corpus callosum abnormalities.
Implications:
- This case expands the understanding of unilateral megalencephaly spectrum.
- Highlights the potential for diverse associated cortical and subcortical malformations.
- Suggests the need for comprehensive neuroimaging and genetic evaluation in such cases.