Vascular
|
Vascular
|
|
Specific Anatomic Region |
Thoracic Aorta |
|
|
Application |
R/O dissection |
|
|
Author |
Tomiak MM et al. |
|
|
Reference Source |
AJR 1995; 164:1525-1531 |
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|
Scanner Used |
GE HiSpeed Advantage |
|
|
Injection Rate |
4ml/sec |
|
|
Contrast Volume and Type |
120ml of 60% iodinated contrast |
|
|
Area Scanned |
From apex of lung through approx L-1 |
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|
Scan Delay |
30sec |
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|
Length of Spiral (time) |
40sec |
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|
Slice Thickness |
3mm |
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|
Table Speed/Pitch |
5mm/sec with a pitch of 1:6 |
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|
Reconstruction Interval |
3mm |
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|
3D Technique Used |
MIP and shaded-surface |
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|
Comment: The technique may be varied when the entire aorta is to be scanned. The protocol would be a 2 pitch, and 5mm collimation. |
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1A) |
1B) |
Case 1: normal arch vessels |
2A) |
2B) |
Case 2: aortic dissection |
3A) |
3B) |
Case 3: aortic dissection |
