VANDANA REDDY

1.What is the problem representation of this patient and what could be the anatomical site of lesion ?

A 55 year old male construction worker with T2DM who is a chronic alcoholic & smoker came with c/o weakness of right upper limb with involuntary movements of both right UL & LL secondary to ? right temporal lobe epileptogenic focus.

2.Why are subcortical internal capsular infarcts more common that cortical 
Infarcts?
Cerebrovascular accidents are more common in subcortical areas because the perforating arteries that supply the region are predisposed to occlusion or rupture due to their small diameter. 

Ischemic strokes secondary to blockage of the perforating arteries are known as lacunar strokes. 

The mechanisms of lacunar strokes include

1. Lipohyalinosis of perforating blood vessels - Most common cause

2. Atherosclerosis of the large trunk vessels that supply perforators

3. Embolic occlusion of the perforating arteries.

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