Presentation
Epileptic encephalopathy with developmental delay.
Patient Data
Age: 3 years
Gender: Female
From the case:
Lissencephaly - type 1
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The MRI sequences demonstrate:
diffuse thickening of the cerebral cortex bilaterally (mean thickness = 18 mm)
smooth outer surface of both cerebral hemispheres with shallow Sylvian fissures giving a figure-8 appearance
dilated ventricular system
no evidence of associated subcortical band heterotopia
Case Discussion
MRI features of a classic lissencephaly type I.
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