Subcortical heterotopia

Case contributed by Ahmed Abdrabou
Diagnosis almost certain


Recurrent attacks and headache, diplopia and seizures.

Patient Data

Age: 20 years
Gender: Male

Nodular heterotipic grey matter is seen within the white matter of the posterior aspect of right temporal as well as occipital lobes which appears continuous with the cortex and indenting the occipital horn of right lateral ventricle. There is slight volume loss of the affected lobe as compared to the other side. The basal ganglia and corpus callosum appear unremarkable. 

Annotated image

Image illustrates cortical continuity of the lesion. 

Case Discussion

A case of focal subcortical heterotopia of mixed nodular and curvilinear type. 

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