Scanner User Manual

Thorax
109
Hints
• You could repeat the same protocol by simply click-
ing the chronicle with the right mouse button for
“repeat“, e.g., when both non-contrast and contrast
studies are required.
• For lung cancer evaluation, this protocol can be com-
bined with the protocol “Neck Routine”.
• Low dose lung images are usually evaluated using
lung window setting. Soft tissue/bone window set
-
tings may be used to visualize the presence of calci-
fications in the nodules.
• It is essential to use the same protocol for follow-up
studies to check for progression.
LungLowDose
kV 130
Effective mAs 30
Rotation time 1.0 sec
Slice collimation 5.0 mm
Slice width 8.0 mm
Feed/Rotation 10.0 mm
Pitch Factor 1.0
Increment 8.0 mm
Kernel B70s
CTDIVol
3.23 mGy
Effective dose Male: 1.69 mSv
Female: 2.08 mSv
Contrast medium IV injection
Start delay 30 sec.
Flow rate 2.5 ml/sec.
Total amount 50 – 70 ml
C2-025.630.01.01.02_APPLICATIONGUIDE_SPIRIT.book Page 109 Friday, April 8, 2005 9:55 AM