Ct Neck Soft Tissue - Parathyroid

CT NECK SOFT TISSUE - PARATHYROID

INDICATIONS: Parathyroid pathology

PATIENT PREP: NPO for solid foods, water only, for 4 hours prior to scan

IV CONTRAST: With: 80mL Isovue 370 @ 3.0 mL/second

WithOut: None

ORAL CONTRAST: None

POSITIONING: Head First Supine, Arms by sides

TOPOGRAMS: AP. Angle of mandible to carina. 35 mA, 120 kV.

Lateral. Angle of mandible to carina. 35 mA, 120 kV

SCAN TYPE: Spiral/Helical

NOTES: Adjust delay on Venous scan to be performed at 70 seconds

ALARA – Keep radiation dose As Low As Reasonably Achievable.

NONCONTRAST

Scan
Range / Scan Direction
Scan Type / Respiration / Scan
Delay
(Seconds) / CARE
DOSE
4D / Quality
Reference
mAs / CARE
kV / Quality
Reference
kV / Detector Configuration
Slices Per Tube Rotation / Pitch
Table Increment/Speed:
(mm/rotation) / Rotation
Time
(Seconds) / SFOV
(cm)
Angle of Mandible
To Carina / Craniocaudal
Spiral/Helical / Don’t
Swallow / 5
Seconds / ON / 116 / ON / 120 / Detectors: 64 x 0.6 mm
Slices Per Tube Rotation: 32 / Pitch: 0.8
Table Increment/Speed:
15.36 mm/rotation / 0.5
Seconds / 50
cm
Plane / SAFIRE
Strength / Slice
Thickness / Interval / Kernal / Window
Width/Level / DFOV
(cm)
RECON / Axial / ON
2 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck
RECON
Coronals Angled in Plane to Body Part / Coronals Angled in Plane to Body Part
Recon card 3D Coronal MPR / ON
3 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck
RECON
Sagittals Angled in Plane to Body Part / Sagittals Angled in Plane to Body Part
Recon Card 3D Sagittal MPR / ON
3 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck

ARTERIAL

Scan
Range / Scan Direction
Scan Type / Respiration / Scan
Delay
(Seconds) / CARE
DOSE
4D / Quality
Reference
mAs / CARE
kV / Quality
Reference
kV / Detector Configuration
Slices Per Tube Rotation / Pitch
Table Increment/Speed:
(mm/rotation) / Rotation
Time
(Seconds) / SFOV
(cm)
Angle of Mandible
To Carina / Craniocaudal
Spiral/Helical / Don’t
Swallow / 25
Seconds / ON / 116 / ON / 120 / Detectors: 64 x 0.6 mm
Slices Per Tube Rotation: 32 / Pitch: 0.8
Table Increment/Speed:
15.36 mm/rotation / 0.5
Seconds / 50
cm
Plane / SAFIRE
Strength / Slice
Thickness / Interval / Kernal / Window
Width/Level / DFOV
(cm)
RECON / Axial / ON
2 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck
RECON
Coronals Angled in Plane to Body Part / Coronals Angled in Plane to Body Part
Recon card 3D Coronal MPR / ON
3 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck
RECON
Sagittals Angled in Plane to Body Part / Sagittals Angled in Plane to Body Part
Recon Card 3D Sagittal MPR / ON
3 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck

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VENOUS

Scan
Range / Scan Direction
Scan Type / Respiration / Scan
Delay
(Seconds) / CARE
DOSE
4D / Quality
Reference
mAs / CARE
kV / Quality
Reference
kV / Detector Configuration
Slices Per Tube Rotation / Pitch
Table Increment/Speed:
(mm/rotation) / Rotation
Time
(Seconds) / SFOV
(cm)
Angle of
Mandible
To Carina / Craniocaudal
Spiral/Helical / Don’t
Swallow / Adjust delay to
Scan at
70 seconds / ON / 116 / ON / 120 / Detectors: 64 x 0.6 mm
Slices Per Tube Rotation: 32 / Pitch: 0.8
Table Increment/Speed:
15.36 mm/rotation / 0.5
Seconds / 50
cm
Plane / SAFIRE
Strength / Slice
Thickness / Interval / Kernal / Window
Width/Level / DFOV
(cm)
RECON / Axial / ON
2 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck
RECON
Coronals Angled in Plane to Body Part / Coronals Angled in Plane to Body Part
Recon card 3D Coronal MPR / ON
3 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck
RECON
Sagittals Angled in Plane to Body Part / Sagittals Angled in Plane to Body Part
Recon Card 3D Sagittal MPR / ON
3 / 2.0 mm / 2.0 mm / I31f
Medium Smooth / Mediastinum
350/50 / FOV just beyond
patient’s neck

CHARGES: CSTNWWO

NETWORK: Exam to PACS

1/2017 Page 2 of 2