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Pediatric Bone Lesion Aggressive (Smaller Patients) 3T

Siemens Healthineers – MR Gadopiclenol (VUEWAY®) Protocols

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Instructions And Patient Preparation

Instructions
Dependent on which anatomy is being scanned
Sedation vs bundle and feed is the ordering provider’s decision
Common Indications
Osteosarcoma
Lymphoma
Langerhans Cell Histiocytosis
Malignant Nerve Sheath Tumor
Position
Dependent on which anatomy is being scanned
Coil
Dependent on which anatomy is being scanned
Landmark
Dependent on which anatomy is being scanned
Patient Population
These protocols are intended for smaller patients and serve as starting points. If a smaller FOV is needed, the parameters are modified accordingly.

Contrast Agent Parameters

Contrast Agent Dose Injection Rate Dose Timing Method and Scan Delay
Gadopiclenol (VUEWAY) 0.1 mL/kg Hand injected Post-contrast series acquired after gadolinium administration

Imaging Parameters

Scan Description localizer AX
STIR		 AX
T1
FS		 AX
PD		 AX
DWI
B50_800		 COR
T2
STIR		 COR
T1		 POST
AX
T1
FS		 POST
COR
T1
FS
    View Image View Image View Image View Image View Image View Image View Image View Image
Sequence Name fl tir tse tseR epse tir tse tse tse
Dimension 2D 2D 2D 2D 2D 2D 2D 2D 2D
Acceleration mode None GRAPPA GRAPPA None SMS GRAPPA None GRAPPA GRAPPA
Acceleration Factor PE ― 2 2 ― 2 2 ― 2 2
Reference Lines PE ― 35 32 ― 50 32 ― 32 32
Reference Scans ― Integrated Self-calibration ― GRE/Separate Self-calibration ― Self-calibration Self-calibration
Deep Resolve Off Off Off Off Off Off Off Off Off

Scan Parameters

Scan Description localizer AX
STIR		 AX
T1
FS		 AX
PD		 AX
DWI
B50_800		 COR
T2
STIR		 COR
T1		 POST
AX
T1
FS		 POST
COR
T1
FS
TR 7.8 ms 3550.0 ms 696.0 ms 3000.0 ms 4400.0 ms 3550.0 ms 695.0 ms 696.0 ms 640.0 ms
TE 3.69 ms 53.00 ms 12.00 ms 30.00 ms 59.00 ms 58.00 ms 9.10 ms 12.00 ms 9.10 ms
TI ― 210 ms ― ― ― 220 ms ― ― ―
Flip Angle 20 deg 120 deg 120 deg 150 deg ― 158 deg 122 deg 120 deg 122 deg
Bandwidth 320 Hz/Px 217 Hz/Px 198 Hz/Px 240 Hz/Px 2170 Hz/Px 200 Hz/Px 223 Hz/Px 198 Hz/Px 223 Hz/Px
Turbo Factor ― 7 3 7 ― 9 3 3 3
Echo Spacing ― 8.75 ms 11.8 ms 10.1 ms 0.55 ms 9.60 ms 9.08 ms 11.8 ms 9.08 ms
Echo Trains per Slice ― 18 33 33 ― 14 67 33 34
EPI Factor ― ― ― ― 104 ― ― ― ―
Gradient Mode Normal Fast Fast Fast Fast Fast Fast Fast Fast
RF Pulse Type Normal Fast Low SAR Low SAR Low SAR Normal Normal Low SAR Normal
RF Spoiling On ― ― ― ― ― ― ― ―
Asymmetric Echo Off ― ― ― ― ― ― ― ―
Flow Compensation None None None None ― None None None None
Reduce Motion Sens. ― Off On On ― On Off On Off
Phase Correction ― Automatic Automatic Automatic External Automatic Automatic Automatic Automatic

Contrast & Magnetization

Scan Description localizer AX
STIR		 AX
T1
FS		 AX
PD		 AX
DWI
B50_800		 COR
T2
STIR		 COR
T1		 POST
AX
T1
FS		 POST
COR
T1
FS
Fat-Water Contrast Standard Standard Fat Saturation Standard SPAIR Standard Standard Fat Saturation Fat Saturation
Fat Saturation ― ― Strong ― Strong ― ― Strong Strong
Magn. Preparation None Slice-sel. IR None None None Slice-sel. IR None None None
MTC Off Off Off Off Off Off Off Off Off
Dark Blood Off Off Off Off ― Off Off Off Off
Contrasts 1 1 1 1 ― 1 1 1 1
Reconstruction Magnitude Magnitude Magnitude Magnitude Magnitude Magnitude Magnitude Magnitude Magnitude
Wrap-up Magn. ― None None Restore ― None None None None

Acquisition Parameters

Scan Description localizer AX
STIR		 AX
T1
FS		 AX
PD		 AX
DWI
B50_800		 COR
T2
STIR		 COR
T1		 POST
AX
T1
FS		 POST
COR
T1
FS
Base Resolution 256 320 320 320 128 320 320 320 320
Phase Resolution 80 % 80 % 70 % 80 % 100 % 75 % 70 % 70 % 70 %
Averages 1 1 2 1 ― 2 2 2 2
Concatenations 21 3 5 2 1 2 2 5 3
FoV Read 400 mm 200 mm 200 mm 200 mm 340 mm 380 mm 380 mm 200 mm 380 mm
FoV Phase 100.0 % 84.4 % 81.3 % 81.3 % 81.3 % 81.3 % 81.3 % 81.3 % 81.3 %
Phase Encoding Dir. R >> L A >> P A >> P A >> P A >> P R >> L R >> L A >> P R >> L
Phase Oversampling 25 % 0 % 8 % 8 % 0 % 25 % 10 % 8 % 10 %
Phase Partial Fourier Off Off Off Off Off Off Off Off Off
Interpolation On On Off On On Off Off Off Off
Multi-Slice Mode Sequential Interleaved Interleaved Interleaved Interleaved Interleaved Interleaved Interleaved Interleaved

Scanning Range

Scan Description localizer AX
STIR		 AX
T1
FS		 AX
PD		 AX
DWI
B50_800		 COR
T2
STIR		 COR
T1		 POST
AX
T1
FS		 POST
COR
T1
FS
Slice Thickness 6.0 mm 4.0 mm 4.0 mm 4.0 mm 5.0 mm 4.0 mm 4.0 mm 4.0 mm 4.0 mm
Slices 11 Slices 60 Slices 60 Slices 60 Slices 48 Slices 39 Slices 39 Slices 60 Slices 39 Slices
Distance Factor 200 % 20 % 20 % 20 % 20 % 10 % 10 % 20 % 10 %
Special Saturation None None None None None None None None None
Raw Filter Off Off Off Off On Off Off Off Off
Elliptical Filter On On On On Off On On On On
Image Filter Off Off Off Off ― Off Off Off Off
Distortion Correction 2D 2D 2D 2D 2D 2D 2D 2D 2D
Normalize Prescan Prescan B1 Filter B1 Filter Prescan Prescan Prescan B1 Filter Prescan
Noise Masking ― ― ― ― Off ― ― ― ―
Time of Acquisition 43 sec 3:24 min 3:55 min 3:26 min 2:33 min 3:27 min 3:09 min 3:55 min 2:14 min

Diffusion

Scan Description localizer AX
STIR		 AX
T1
FS		 AX
PD		 AX
DWI
B50_800		 COR
T2
STIR		 COR
T1		 POST
AX
T1
FS		 POST
COR
T1
FS
Diffusion Mode ― ― ― ― 3D Diagonal ― ― ― ―
Diffusion Scheme ― ― ― ― Monopolar ― ― ― ―
Diff. Directions ― ― ― ― 1 ― ― ― ―
b-value 1 ― ― ― ― 50 s/mm² ― ― ― ―
b-value 2 ― ― ― ― 800 s/mm² ― ― ― ―
Averages b-value 1 ― ― ― ― 5 ― ― ― ―
Averages b-value 2 ― ― ― ― 20 ― ― ― ―
Diff. Weightings ― ― ― ― 2 ― ― ― ―
Diff. Weighted Images ― ― ― ― On ― ― ― ―
Trace Weighted Images ― ― ― ― Off ― ― ― ―
ADC Maps ― ― ― ― On ― ― ― ―
Exponential ADC Maps ― ― ― ― Off ― ― ― ―
FA Maps ― ― ― ― Off ― ― ― ―
Calculated Image ― ― ― ― Off ― ― ― ―

Post-Processing / Inline

Scan Description localizer AX
STIR		 AX
T1
FS		 AX
PD		 AX
DWI
B50_800		 COR
T2
STIR		 COR
T1		 POST
AX
T1
FS		 POST
COR
T1
FS
Subtract Off Off Off Off ― Off Off Off Off
Subtract Measurements 1 1 1 1 ― 1 1 1 1
StdDev Off Off Off Off ― Off Off Off Off
MIP Sagittal Off Off Off Off ― Off Off Off Off
MIP Coronal Off Off Off Off ― Off Off Off Off
MIP Transversal Off Off Off Off ― Off Off Off Off
MIP Time Off Off Off Off ― Off Off Off Off
Radial MIP Off Off Off Off ― Off Off Off Off
MPR Sagittal Off Off Off Off ― Off Off Off Off
MPR Coronal Off Off Off Off ― Off Off Off Off
MPR Transversal Off Off Off Off ― Off Off Off Off
Inline Composing On On On On ― On On On On