Acute middle cerebral artery territory infarct

Case contributed by Dr Ian Bickle


Middle aged patient with acute right sided hemiplegia, which commenced 10 hours previously.

Patient Data

Age: 55 years
Gender: Male

Diffuse low attenuation in the left temporal and parietal lobes, with sparing of the basal ganglia.

The M2 and M3 segments of the left middle cerebral artery are hyperdense with the cerebral dot sign in the left Sylvian fissure.

No hemorrhage.

Annotated image

Red arrows indicate the hyperdense MCA and the MCA dot signs.

Case Discussion

Classic appearances of an acute MCA territory infarct with two signs of a thrombosed cerebral artery:

- the hyperdense artery sign

- cerebral dot sign

PlayAdd to Share

Case information

rID: 52380
Published: 6th Apr 2017
Last edited: 2nd May 2020
Inclusion in quiz mode: Included