Acquisition Phase | Phase Included | Scan Delay | Respiration Phase | Anatomical Coverage |
Non Contrast | N/A | N/A | N/A | N/A |
Arterial Phase | N/A | N/A | N/A | N/A |
Venous Phase | Yes | 60 sec | Hold | Maxillary sinus through frontal sinus |
Delayed Phase | N/A | N/A | N/A | N/A |
Scan Comments: Iso-centering the patient within the gantry is key to image quality. All scans are performed using the ALARA principle. | ||||
Technical Parameters | Parameters |
kVp | Care kV (ref. kV 100) |
Effective mAs | Use dose reduction software |
Quality Reference mAs | 130 |
Time (Rotation) | 1.0 sec |
Average Acquisition Time | 5-7 sec |
Collimation | 128 x 0.6mm |
Pitch Value | 0.8 |
Scan Direction | Caudocranial |
Comments: Dose reduction software is used to reduce patient dose. | |
Reconstruction Parameters | Bone | Soft Tissue | Thin Data | Thin Data |
Slice Thickness | 3 mm | 3 mm | 0.75 mm | 0.75 mm |
Reconstruction Spacing | 3 mm | 3 mm | 0.5 mm | 0.5 mm |
Reconstruction Algorithm | J70h (3) | J30s (3) | J70h (3) | J30s (3) |
Window Width and Level | 2500/500 | 350/20 | 2500/500 | 350/20 |
Reconstruction Comments: | ||||
Reconstruction Parameters | Coronal | Sagittal | |
Slice Thickness | 2 mm | 2 mm | |
Reconstruction Spacing | 2 mm | 2 mm | |
Reconstruction Algorithm | J70h (3) | J70h (3) | |
Window Width and Level | 2500/500 | 2500/500 | |
Reconstruction Comments: | |||
Contrast Parameters | Parameters |
Contrast Type | Non-ionic |
Contrast Volume | 100 mL |
Saline Flush | N/A |
Injection Rate | 2-3 mL/sec |
Oral Contrast | N/A |
Contrast Volume | N/A |
Comments: N/A | |