Hyperperfusion syndrome

Cerebrovascular Carotid spasm Compromise of ECA ostium Hyperfusion syndrome Contrast encephalopathy Transient symptomatic cerebral ischemia Global Focal Carotid dissection Carotid perforation Hyperperfusion syndrome Acute stent thrombosis Major ischemic stroke Cerebral hemorrhage... 

Coutts SB, Hill MD, Hu WY Hyperperfusion syndrome toward a stricter definition. Neurosurgery 2003 53 1053— 1058 discussion 1058-1060. 

Abou-Chebl A, YadavJS, Reginelli JR Bajzer C, Bhatt D, Krieger DW. Intracranial hemorrhage and hyperperfusion syndrome... 

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...

Xan, G.S. and C.C. Phatouros, Cerebral hyperperfusion syndrome post-carotid artery stenting. J Med Imaging Radiat Oncol, 2009. 53(1) p. 81-6. 

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