Headangio - Siemens SOMATOM Sensation 16 Application Manual

Children

HeadAngio

Indications:
Spiral mode for head CT angiography, e. g. cerebral
vascular abnormalities, tumors etc.
kV
Effective mAs
Slice collimation
Slice width
Feed/Rotation
Rotation time
Kernel
Increment
Image order
* The mAs should be adjusted to the age of the child.
Age
< 6 years
6 years –
12 years
* The conversion factor for an 8-week-old,
and a scan range of 40 mm was used.
** The conversion factor for a 7-year-old and a scan
range of 60 mm was used.
42
HeadAngio
80
*
0.75 mm
2.0 mm
6.8 mm
0.5 sec.
H20f
2.0 mm
ca-cr
kV mAs CTDI
(mGy)
80 100 8.4
80 150 12.6
2 nd reconstr.
1.0 mm
H10f
0.7 mm
Effective dose
w
(mSv)
Male: 0.4*
Female: 0.4*
Male: 0.3**
Female: 0.4**