New Online Course: Chest X-ray Viva Practice by George Harisis - Half price offer ends September 30

Cerebral hyperperfusion syndrome

Case contributed by Assoc Prof Frank Gaillard


Elderly patient ~6 hours following right carotid endarterectomy developed left-sided weakness.

Patient Data

Age: Elderly
Gender: Male

The right hemisphere demonstrates swollen hyperdense cortex with positive mass effect. No hemorrhage. 


12 hours later

CT scan obtained 12 hours later demonstrates reduced swelling and mass-effect. 


36 hours later

Repeat CT 36 hours later demonstrates almost complete resolution of findings with no evidence of an underlying stroke. 


52 hours later

Yet another repeat study on the third day following carotid endarterectomy demonstrates continued resolution, with at most only minor residual swelling of the right temporal lobe. 

Case Discussion

Cerebral hyperperfusion syndrome is are rare complication of carotid endarterectomy.

The patient made an uneventful recovery. 

PlayAdd to Share

Case information

rID: 12456
Published: 27th Nov 2010
Last edited: 28th Aug 2020
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.