Presentation
Global developmental delay and seizures.
Patient Data
Age: 5 years
Gender: Female
From the case:
Lissencephaly type I
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Diffuse cortical thickening of the bilateral cerebral hemisphere with few sulci and grey matter heterotopia is in keeping with lissencephaly type I.
Case Discussion
Lissencephaly-pachygyria is a spectrum of disorders due to congenital cortical malformations. The imaging appearance of classic lissencephaly (type I) is mainly due to a few poorly formed gyri and a smooth (lissos meaning smooth) outer surface. This malformation is also associated with heterotopia, as in this case.
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