Angiography
CT Scan
Necks
Aneurysms
Inclusion
100
Seldinger Technique
What is needle, wire catheter
100
Patient Table moves continuously throughout the scan
What is helical scan
100
Remains the same over defined neck length
What is parallel
100
Type A
What is Proximal and Distal neck > 15mm in length
100
>15 mm
What is Neck Length
200
Celiac
What is first vessel after diaphram
200
Advantages of Helical Scanning
What is Less Contrast, no misregistration, gapless, more coverage in a breath hold
200
Conical, reverse funnel or flared
What is increase in diameter over 10%
200
proximal neck >15mm in length and involvement of both common iliac arteries
What is Type C
200
Diameter <20mm outer wall to outer wall
What is Iliac Diameter
300
vessel feeding liver
What is the hepatic artery
300
slice thickness
What is collimation
300
Decrease in diameter greater than 10%
What is Funnel Neck
300
Type D
What is aneurysms involving both internal iliac arteries
300
>7.5 mm inner wall to inner wall
What is access diameter
400
Splenic artery
What is the artery feeding the spleen
400
T12-L1
What is the Celiac Axis
400
Circumferential thrombus/calcification
What is irregular
400
Most Aortic Anuerysm
What is Fusiform
400
>60 degrees
What is angle of the proximal neck distal to renals
500
common iliac bifurcates
What is Internal and external Iliac
500
15% of patiets
What is Multiple Renal Arteries
500
Types of Necks
What is straight, Funnel, Conical and Irregular
500
Out pocketing of aorta
What is saccular
500
<45 degrees
What is the suprarenal neck angulation
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