15 month old with developmental delay, hypotonia

A 15 month old boy with history of developmental delay and hypotonia has an MRI of the brain performed:

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There is bilateral diffuse thickening of the cortex with irregularity of the grey-white margin and bumpy surface of the cortex, particularly visible near the apex.

Parts of the occipital lobe are unaffected. These findings are compatible with polymicrogyria.

For more information, see the Radiopedia article.

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