A 75 year old man was found with a right hemiparesis, affecting the arm and lower face more than the leg, and a right gaze preference. On exam, he had a marked expressive aphasia.

MRI Flair Axial Scan. Note the prominent hyperintensity affecting the superior division of the left middle cerebral artery, involving the left frontal lobe above the sylvian fissure. This is one of the most common locations for embolic stroke, either from a proximal arterial source or from the heart.

Revised 04/23/06.
The Electronic Curriculum is copyrighted 1998,  Case Western Reserve University School of Medicine.