Siemens Software version syngo CT 2005C 用户手册
Head
73
Hints
• An automatic bone correction allows for improved
head image quality, without any additional post-pro-
cessing.
cessing.
• In order to optimize image quality versus radiation
dose, scans are provided within a maximum scan
field of 300 mm with respect to the iso-center. No
recon job with a field of view exceeding those limits
will be possible. Therefore, patient positioning has to
be performed accurately to ensure a centered loca-
tion of the skull.
field of 300 mm with respect to the iso-center. No
recon job with a field of view exceeding those limits
will be possible. Therefore, patient positioning has to
be performed accurately to ensure a centered loca-
tion of the skull.
Base
Cerebrum
kV
130
130
Effective mAs
110
110
Rotation time
1.5 sec
1.5 sec
Slice collimation
1.5 mm
2.5 mm
Slice width
3.0 mm
8.0 mm
Feed/Rotation
3.0 mm
5.0 mm
Pitch Factor
1.0
1.0
Increment
3.0 mm
8.0 mm
Kernel
H31s
H31s
CTDI
Vol
25.05 mGy
25.05 mGy
Effective dose
Male:
0.37 mSv
0.37 mSv
Female:
0.38 mSv
0.38 mSv
Male:
0.70 mSv
0.70 mSv
Female:
0.77 mSv
0.77 mSv
Contrast medium IV injection
Volume
50 – 60 ml
Flow rate
2 ml/sec.
Start delay
50 – 60 sec.
C2-025.630.01.01.02_APPLICATIONGUIDE_SPIRIT.book Page 73 Friday, April 8, 2005 9:55 AM