Stroke of Genius?
"Whatcha talkin' bout Willis?"
I see a segment!
Do it for the angio-GRAM
Cavernous sinus (sorry, couldn't find a pun)
100
Blue territory
What is anterior cerebral artery territory
100
A
What is the middle cerebral artery?
100
C2
What is petrous?
From carotid canal of petrous bone to posterior edge of foramen lacerum
100
Four ways to differentiate PCom from anterior choroidal on arteriogram
What are:
1.PCom origin is proximal to the origin of ACh
2.PCom is larger than ACh
3.PCom goes up or down a little then straight back and usually bifurcates
4.ACH usually has a superior hump, or plexus point, where it passes through the choroidal fissure to enter the ventricle
100
Inflow
What is:
1.superior and inferior ophthalmic veins
2.superficial middle cerebral veins
3.sphenoparietal sinus
4.superior and inferior petrosal sinus
200
Pink territory
What is middle cerebral artery territory?
200
B
What is there superior cerebellar artery?
200
C4 branches
(Cavernous):
What are meningohypophyseal trunk, anterior meningeal artery, artery to inferior portion of cavernous sinus (80%), and capsular artery of McConnell (30%)
200
Having only one anterior cerebral artery
What is hypoid?
200
outflow
What is:
1.sphenoparietal sinus
2.superior petrosal sinus
3.basilar plexus (which drains jot the inferior petrosal sinus)
4.pterygoid plexus
5.the right and left cavernous sinuses communicate anteriorly and posteriorly via the circular sinus
300
Purple territory
What is the posterior cerebral artery?
300
C
What is the anterior inferior cerebellar artery?
300
C6
What is ophthalmic?
begins at distal dural ring, ends at PComA
300
Solitary arterial trunk arising from the proximal segment of one PCA supplies the paramedic thalami and rostral midbrain bilaterally
What is artery of Percheron?
300
contents
what is:
1.oculomotor nerve
2.trochlear nerve
3.ophthalmic division of trigeminal nerve
4.maxillary division of trigeminal nerve
5.internal carotid artery
400
Green territory
What is the anterior choroidal artery territory?
400
D
What is the superior hypophyseal artery?
400
Region incorporating the cavernous, ophthalmic, and communicating segments
What is the carotid siphon?
400
First persistent fetal anastomosis to involute and the rarest to persist
What is otic?
400
Parkinson's triangle borders
what is the superior border formed by cranial nerve 3 and 4, and the lower margin formed by V1 and 6
(it is a landmark for surgical entrance to the cavernous sinus)
500
Origin of the Recurrent artery of Heubner
What is the junction of the ACA and AComA (in ~62% of people)?
500
E
What is the anterior choroidal artery?
500
All branches of ECA in ascending order
What are:
1. superior thyroid
2.ascending pharyngeal
3.lingual
4.facial
5.occipital
6.posterior auricular
7.superficial temporal
8.internal maxillary artery
?
500
Most common persistent fetal anastomosis
What is persistent primitive trigeminal artery?
500
What is:
A. oculomotor nerve
B. outer layer (dura propria)
C. trochlear nerve
D. Inner membranous layer
E. Abducens nerve
F. Ophthalmic division (V1)
G. Maxillary division (V2)