CT HIP ARTHROGRAM

INDICATIONS: Hip pain, labral tear

PATIENT PREP: None

IV CONTRAST: None

ORAL CONTRAST: None

POSITIONING: Feet first supine, Feet internally rotated

TOPOGRAMS: AP. Range: 2” above acetabulum through lesser trochanter. 35 mA, 120 kV

SCAN TYPE: Spiral/Helical

SCAN RANGE: 2” above acetabulum through lesser trochanter

NOTES: Scan performed after intraarticular injection of contrast material into the hip joint by the radiologist. Check orders to see if referring

physician also wants steroid injection included.

Scan completely through prosthesis.

Send Thin Slice Volume Source Images: Recon 0.75 x 0.7mm to PACS.

Check if referring physician has specific orders

ALARA – Keep radiation dose As Low As Reasonably Achievable.

HIP ARTHROGRAM

Scan
Range / ScanDirection
Scan Type / Respiration / Scan
Delay
(Seconds) / CARE
DOSE
4D / Quality
Reference
mAs / kV / Detector Configuration
Slices Per Tube Rotation / Pitch
Table Increment/Speed:
(mm/rotation) / Rotation
Time
(Seconds) / SFOV
(cm)
2” Above
Acetabulum
Through
Lesser Trochanter / Craniocaudal
Spiral/Helical / Quiet
Respiration / 3
Seconds / ON / 100 / 110 / Detectors: 16 x 0.6 mm
Slices Per Tube Rotation: 16 / Pitch: 0.8
Table Increment/Speed: 7.68 mm/rotation / 1.0
Seconds / 50
cm
Plane / Slice
Thickness / Interval / Kernal / Window
Width/Level / DFOV
(cm)
RECON – AXIAL BONE
Send To PACS / Original Scan
Thin Slice Volume Source Images / 0.75 mm / 0.7 mm / B70s
Sharp / Osteo
1500/450 / FOV Small
To Fit Anatomy
RECON – AXIAL BONE / Axial / 2.0 mm / 2.0 mm / B70s
Sharp / Osteo
1500/450 / FOV Small
To Fit Anatomy
RECON – AXIAL SOFT TISSUE / Axial / 2.0 mm / 2.0 mm / B40s
Medium / Mediastinum
400/40 / FOV Small
To Fit Anatomy
RECON – STRAIGHT CORONAL BONE MPR
Coronals Angled in Plane to Body Part / Straight Coronals Angled in Plane to Body Part
Recon Card 3D Coronal MPR / 2.0 mm / 2.0 mm / B70s
Sharp / Osteo
1500/450 / FOV Small
To Fit Anatomy
RECON – STRAIGHT SAGITTAL BONE MPR
Straight Sagittals Angled in Plane to Body Part / Straight SagittalsAngled in Plane to Body Part
Recon Card 3D Sagittal MPR / 2.0 mm / 2.0 mm / B70s
Sharp / Osteo
1500/450 / FOV Small
To Fit Anatomy
RECON – OBLIQUE SAGITTAL BONE MPR
Oblique Sagittals Angled Parallel to Femoral Neck / Oblique Sagittal Angled Parallel to Femoral Neck
Recon Card 3D Sagittal MPR / 2.0 mm / 2.0 mm / B70s
Sharp / Osteo
1500/450 / FOV Small
To Fit Anatomy

*The operator must check the CTDIvol before and after the scan to ensure it is within the allowed dose range. Scans performed outside of the allowed range must be

documented and reviewed by the designated radiologist and/or physicist.

Allowed CTDIvol Dose Ranges:3 mGy – 50 mGy

XR29 Dose Notification Value (CTDIvol):50 mGy

NETWORK:Exam to PACS

12/2017