Scanner User Manual

Spine
139
Hints
• Dental artifacts can be reduced by tilting the gantry.
• For MPRs and 3D post-processing, use spiral mode
with thinner slice and reconstruct images with 50%
overlap in image reconstruction. Define a long range
to cover the levels of interest in one block.
C5-6 C6-7
kV 130 130
Effective mAs 170 190
Rotation time 1.5 sec 1.5 sec
Slice collimation 1.0 mm 1.0 mm
Slice width 2.0 mm 2.0 mm
Feed/Scan 2.0 mm 2.0 mm
Kernel B50s B50s
CTDIVol 18.33 mGy 20.48 mGy
Effective dose Male:
0.66 mSv
Female:
0.73
mSv
Male:
0.30 mSv
Female:
0.50
mSv
C2-025.630.01.01.02_APPLICATIONGUIDE_SPIRIT.book Page 139 Friday, April 8, 2005 9:55 AM