Cerebral cortical T2 hyperintensity or gyriform T2 hyperintensity refers to curvilinear hyperintense signal involving the cerebral cortex on T2 weighted and FLAIR imaging.
The causes include:
- developmental anomalies
- neoplastic
- vascular thrombo-occlusive disease
- hemodynamic changes
- hypoxic-ischemic encephalopathy
- status epilepticus
- post-ictal changes
- infections
- metabolic
- Wilson disease
- hypoglycemic encephalopathy : subtle hyperintensity
- hepatic encephalopathy: in severe and acute hyperammonemia
- genetic
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