Confluent expansi...
Confluent expansile T2 prolongation and FLAIR hyperintensity throughout the deep and subcortical white matter of both cerebral hemispheres, most prominent in the frontal, temporal and parietal lobes. Multiple cysts are seen bilaterally in the subcortical white matter of the anteromedial aspect of the inferior temporal gyrus and lateral aspect of the superior temporal gyrus characterized by T2 hyperintensity which nulls on the FLAIR images, differentiating them from rest of the expansile white matter change.
Modality: MRI (FLAIR)

- “ Findings are diagnostic of megalencephalic leukoencephalopathy with cysts (formerly called Van der Knapp leukoencephalopathy) The MRI findings ar...”

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