Protocols- Abdominal

Abdominal Aorta- Eval AAA


Specific Anatomic Region Abdominal Aorta
Application Evaluate AAA
Author Zeman RK et al.
Reference Source AJR 1995; 164:917-922
Scanner Used GE HiSpeed CT
Injection Rate 2.5ml/sec
Contrast Volume and Type 125ml of Iohexol 300
Area Scanned Diaphragm to symphysis pubis
Scan Delay 40sec
Length of Spiral (time) 32sec
Slice Thickness 3mm first 20sec, 7mm rest of study
Table Speed/Pitch 3mm/sec and 7mm/sec with a pitch of 1:1
Reconstruction Interval 33-43% overlap
3D Technique Used MIP, shaded-surface, sum of pixel (ray-sum)
Comment: In other articles these authors found that MPR and 3D imaging were very useful.