Dyke Davidoff Mason syndrome with crossed cerebellar diaschisis
Patient presented with recent onset of seizures.
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CT images showing left cerebral and right cerebellar atrophy.
Also noted is left sided increased calvarial thickness.
Dyke Davidoff Mason syndrome is characterized by unilateral cerebral hemiatrophy associated with ipsilateral increased bony thickness and enlarged paranasal sinuses. Etiology being vascular insult during intranatal period.
Sometimes this syndrome is associated with contralateral cerebellar hemiatrophy known as crossed cerebellar diaschisis.