Grey matter heterotopia
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Seizures since birth on and off.
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Subcortical and subependymal nodular heterotopia of grey matter in left frontoparietal lobe, this is resulting in mild exvacuo-prominence and scalloped margins of body, frontal and occipital horns of the left lateral ventricle. These described imaging features are representing cortical neuronal migration disorders such as grey matter heterotopia.
On MR the heterotopic tissue emerges as a grey matter on all sequences. Their edges are frequently indistinct. Comprehensive assessment of the rest of the brain is crucial to notice related anomalies.
Only limited images of this study are available.