Hyperdense MCA and loss of the insular ribbon signs

Case contributed by Stefan Tigges
Diagnosis certain


Acute onset right sided weakness.

Patient Data

Age: 70 years
Gender: Female

Dense left MCA sign and loss of the left insular gray-white interface. Otherwise normal, no intracranial hemorrhage.

MIP image from brain CT angio.


MIP image from a CT angiogram confirms occlusion of the left middle cerebral artery.

Case Discussion

Good example of the hyperdense MCA sign and the loss of the insular ribbon sign.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

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

 Thank you for updating your details.