CT LUMBAR SPINE (last updated 0/28/2020, last reviewed 10/28/2020)
INDICATION: Trauma, pain, fracture, postoperative evaluation, degenerative conditions, congenital abnormality, bone lesion evaluation.
SERIES
- 3mm Axial bone
- 3mm Axial soft tissue
- 3mm Coronal bone
- 3mm Sagittal bone
- 3mm Sagittal soft tissue
| |
POSITIONING/MODE
|
supine/helical |
kV/mA/rot time
|
120 to 140 kV/auto mA/1 sec or less |
DETECTOR COLLIMATION
|
16 x 1.5mm (S16) 64 x 0.6mm (D64) |
SLICE THICKNESS
|
3mm |
PITCH
|
1 to 1.5 |
KERNAL
|
bone and soft tissue |
SFOV
|
<20 cm |
COVERAGE
|
T12 -> S2 |
ACQUISITION
|
caudocranial |
IV CONTRAST
|
none |
POSTPROCESSING
|
3mm axial bone, 3mm axial soft tissue, 3mm coronal bone, 3mm sagittal bone, 3mm sagittal soft tissue |
Notes: For patients with hardware/spinal rods and for large patients, increase the mA and decrease pitch, as necessary.