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Orbits 3T

Siemens Healthineers – MR Gadopiclenol (VUEWAY®) Protocols

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Instructions And Patient Preparation

Instructions
• These sequences usually done in addition to Routine Adult Brain protocol
• Have patient close eyes for these sequences
• Cover orbits through optic nerve
Position
Supine, head first
Coil
Head/Neck coil
Landmark
Glabella

Contrast Agent Parameters

Contrast Agent Dose Injection Rate
Gadopiclenol (VUEWAY) 0.05 mmol/kg Hand Bolus
Saline Flush 10 mL Hand Bolus
Comments • Consider using TSE DIXON to reduce susceptibility problems
• Report agent administered and dose
• Use minimal dose for patients with a GFR <60 mL/sec

Imaging Parameters

Scan Description CORONAL
STIR		 CORONAL
T1		 AXIAL
T2		 AXIAL
BLADE DWI		 Post
AXIAL
T1 Fat Sat		 Post
CORONAL
T1 Fat Sat		 Post
SAGITTAL
3D FLAIR SPACE
  View Image View Image View Image View Image View Image View Image View Image
Sequence Name tir tse tseR ftgBAE3 tse tse spcir
Dimension 2D 2D 2D ― 2D 2D 3D
Acceleration Mode GRAPPA GRAPPA GRAPPA GRAPPA GRAPPA GRAPPA CAIPIRINHA
Acceleration Factor PE 3 3 4 2 3 3 2
Acceleration Factor 3D ― ― ― ― ― ― 2
AutoAlign Head > Optic Nerves Head > Optic Nerves Head > Optic Nerves Head > Optic Nerves Head > Optic Nerves Head > Optic Nerves Head > Brain

Scan Parameters

Scan Description CORONAL
STIR		 CORONAL
T1		 AXIAL
T2		 AXIAL
BLADE DWI		 Post
AXIAL
T1 Fat Sat		 Post
CORONAL
T1 Fat Sat		 Post
SAGITTAL
3D FLAIR SPACE
               
TR 3000.0 ms 600.0 ms 3600.0 ms 4000.0 ms 600.0 ms 600.0 ms 5000.0 ms
TE 43.00 ms 7.90 ms 91.00 ms 54.00 ms 7.90 ms 7.90 ms 376.00 ms
TI 220 ms ― ― ― ― ― 1600 ms
Flip Angle 150 deg 150 deg 150 deg 150 deg 150 deg 150 deg Mode T2 Var
Turbo Factor 9 2 17 11 2 2 220
Bandwidth 300 Hz/Px 334 Hz/Px 260 Hz/Px 651 Hz/Px 334 Hz/Px 334 Hz/Px 698 Hz/Px
Fat-Water Contrast Standard Standard Standard Fat Saturation Fat Saturation Fat Saturation Fat Saturation
Fat Saturation ― ― ― Strong Strong Strong Strong
Gradient Mode Normal Normal Normal Fast Normal Normal Fast
RF Pulse Type Normal Fast Fast Fast Fast Fast Normal

Acquisition Parameters

Scan Description CORONAL
STIR		 CORONAL
T1		 AXIAL
T2		 AXIAL
BLADE DWI		 Post
AXIAL
T1 Fat Sat		 Post
CORONAL
T1 Fat Sat		 Post
SAGITTAL
3D FLAIR SPACE
               
Base Resolution 320 288 384 128 288 288 256
Phase Resolution 70% 86% 90% ― 86% 86% 100%
Slice Resolution ― ― ― ― ― ― 80%
Averages 1 1 2 1 1 1 2
Concatenations 2 2 1 1 2 2 1
b-value 1 ― ― ― 0 s/mm2
1000 s/mm2		 ― ― ―
FoV Read 170 mm 170 mm 170 mm 200 mm 170 mm 170 mm 240 mm
FoV Phase 1 1 1 1 1 1 1
Phase Encoding Dir. R >> L R >> L R >> L A >> P R >> L R >> L A >> P
Phase Oversampling 100% 100% 100% 50% 100% 100% 0%
Slice Oversampling ― ― ― ― ― ― 0%
Phase Partial Fourier Off Off Off ― Off Off Off
Slice Partial Fourier ― ― ― ― ― ― Off
Flow Compensation None None None None None None None

Scanning Range

Scan Description CORONAL
STIR		 CORONAL
T1		 AXIAL
T2		 AXIAL
BLADE DWI		 Post
AXIAL
T1 Fat Sat		 Post
CORONAL
T1 Fat Sat		 Post
SAGITTAL
3D FLAIR SPACE
               
Elliptical Filter Off Off Off Off Off Off Off
Image Filter Off Off Off Off Off Off Off
Normalize Prescan Prescan Prescan Prescan Prescan Prescan Prescan
Distortion Correction 2D 2D 2D 2D 2D 2D 3D
Distance Factor 18% 18% 10% 10% 10% 18% ―
Slice Thickness 3.0 mm 3.0 mm 3.0 mm 3.0 mm 3.0 mm 3.0 mm 1.0 mm
Slices 28 Slices 28 Slices 21 Slices 21 Slices 21 Slices 28 Slices 176 Slices per Slab
Acquisition Time 2:02 min 1:52 min 1:32 min 3:08 min 1:53 min 1:53 min 4:23 min