Female in 30's presents to A and E following a seizure.
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Gyriform calcification in the high left frontal lobe, with the characteristic 'tram-track' calcification.
Associated parenchyma volume loss.
Disproportionately large left frontal sinus compared to the right.
Choriod plexus symmeterical.
2 case question available
Sturge Weber syndrome is one form of phakamatosis, characterised by a pial haemangioma in the brain with an associated facial haemangioma.
The leptomeningeal haemangioma results in a vascular steal affecting the subjacent cortex and white matter producing localised ischaemia, hence the associated parenchymal volume loss.