Carotid endarterectomy hyperperfusion

Naylor AR, Evans J, Thompson MM et al. (2003). Seizures after carotid endarterectomy hyperperfusion, dysautoregulation or hypertensive encephalopathy European Journal of Vascular Endovascular Surgery 26 39-44... 

Posterior reversible encephalopathy syndrome Hyperperfusion syndrome post carotid endarterectomy Conventional MR imaging findings... 

Rarely, other disease entities such as HTV or other viral encephalopathies, tumor, and acute donyelinafion can present with acute neurologic deficits and patterns of edema on conventional images suggestive of stroke. Similar to PRES and hyperperfusion syndrome following carotid endarterectomy, DW images shows elevated diffusion. 

Fig. 7.20 Hyperperfusion syndrome following carotid endarterectomy (CEA). Seventy-nine-year-old female 1 week after CEA with status epUepticus. T2-weighted image demonstrates gray and white matter hypeiintensity in the left frontal lobe, suggestive of acute infarction. There is no decreased diffusion on...

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