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 120)

Effective mAs

CareDose

Quality Reference mAs

116

Time (Rotation)

1.0 sec.

Average Acquisition Time

5-7 sec.

Collimation

128 x 0.6 mm

Pitch Value

0.8

Scan Direction

Caudocranial

Comments: CareDose is used to reduce patient dose.

 

Reconstruction Parameters

Soft Tissue

Bone

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

Hr68 (3)

Hr38 (3)

Hr68 (3)

Hr38 (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

Hr68 (3)

Hr68 (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