1g Basal Ganglia - blood supply

Question 1

Where does the Medial Striate A. branch from?

Answer 1

Anterior Cerebral A

Question 2

What does the Medial Striate A. supply?

Answer 2

head of caudate nucleus

Question 3

Where do the Lenticulostriate AA. branch from?

Answer 3

Middle cerebral A

Question 4

What do the Lenticulostriate AA supply?

Answer 4

putamen, globus pallidus, top of thalamus

Question 5

Where do the Thalamoperforating AA branch from?

Answer 5

Posterior Cerebral A

Question 6

What do the Thalamoperforating AA. supply?

Answer 6

subthalamic nucleus

Question 7

Which area is most vulnerable in someone with high blood pressure who smokes? What clinical aspects are seen?

Answer 7

Thalamoperforating AAs. - leads to contralateral motor issues

Question 8

What is Hemiballismus? When is it seen?

Answer 8

flailing, ballistic undesired movement of limbs - characteristic with strokes involving subthalamic nucleus