SINUS CT C- (last updated 10/28/2020 last reviewed 10/28/2020)
INDICATION: Sinusitis, headache, pain, Postoperative follow-up, fibroosseous disease, congenital anomaly.
SERIES:
- 3mm Axial bone
- 3mm Direct coronal bone
| | Axial | Direct Coronal |
|
POSITIONING/MODE
|
supine/helical |
prone/sequential |
|
kV/mA/table rot
|
120 kV/150 mAs/<1 sec |
120 kV/180 mAs/<1 sec |
|
DETECTOR COLLIMATION
|
16 x 0.75mm (S16) 64 x 0.6mm (D64) |
12 x 1.5mm (S16) 6 x 3.0mm (D64) |
|
SLICE THICKNESS
|
3mm |
3mm |
|
PITCH
|
1 to 1.5 |
1 to 1.5 |
|
KERNAL
|
bone (H70v very sharp) |
bone (H70v very sharp) |
|
SFOV
|
<25cm |
<25cm |
|
COVERAGE
|
maxillary -> frontal sinuses |
frontal -> sphenoid sinuses |
|
ACQUISITION
|
caudocranial |
anterior to posterior |
|
IV CONTRAST
|
none |
none |
|
POSTPROCESSING
|
---- |
---- |