Hyperdense MCA sign

Case contributed by Dr Bruno Di Muzio


Right hemiparesis and sudden confusion.

Patient Data

Age: 84
Gender: Female

CT Brain

CT scan shows an increased attenuation of the proximal portion of the left MCA.


12 hours late

12 hours late CT shows better the increased attenuation of the proximal portion of left the MCA, as well the onset of a ​​ill-defined hypoattenuation area involving the left capsular region (ischemia). CTA study confirms the occlusion of proximal left MCA and no involvement of the left ACA. 

Case Discussion

The hyperdense MCA sign refers to the appearance of the middle cerebral artery (MCA) on CT scan in a onset of thrombosis, and it is one of the early signs of ischemic stroke.

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Case information

rID: 28154
Published: 27th Mar 2014
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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