Aneurysms

Question 1

berry aneurysms most common occur

Answer 1

At the junction of the Anterior communicating artery and the ACA

Question 2

Berry aneurysms are associated with

Answer 2

ADPKD
Ehlers-Danlos

also risk: age, htn, smoking, african americans

Question 3

Dilation of the Anterior Communicating Artery can cause

Answer 3

bitemporal hemianopia from compression of the optic chiasm

Question 4

A Saccular or berry aneurysm can cause someone the worst headache of their life because

Answer 4

it can rupture and cause a subarachnoid hemorrhage

Question 5

Middle cerebral artery rupture causes ischemia to the normal MCA areas causing

Answer 5

Contralateral paralysis and sensory deficits of the face and upper limb

Question 6

Posterior communicating aneurysm can cause compression of the

Answer 6

CN III
superficial parasympathetic compression: mydriasis and ptosis

compression of deep somatic fibers of CNIII can result in paralysis of the corresponding ocular muscles (superior rectus, medial rectus, inferior rectus, inferior oblique)

Question 7

Charchot-Bouchard microaneurysm associated with chronic hypertension and affect small vessels causing lacunar stroke. They damage the striatum and internal capsule leading to

Answer 7

contralateral paralysis and sensory deficits to entire body (upper and lower limbs)

can’t see these on angiography