Hyperdense MCA sign

Case contributed by Dr Bruno Di Muzio


Patient found unconscious at home.

Patient Data

Age: 65-years
Gender: Female

CT Brain (selected images)

Hyperdense left middle cerebral artery.

Tenuous asymmetry of attenuation between the hemispheres, the left with mild hypoattenuation.

A small area of possible previous infarction in the left frontal lobe.

Case Discussion

Hyperdense MCA sign is a increased attenuation of the proximal portion of the MCA and it is often associated with thrombosis of the M1 MCA segment. It is one of the early signs of ischemic stroke: MCA infarct.

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Case information

rID: 18585
Published: 13th Jul 2012
Last edited: 16th Jul 2018
Inclusion in quiz mode: Excluded

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