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Pediatric Spine 3T

Philips Healthcare – MR Gadopiclenol (VUEWAY®) Protocols

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Instructions And Patient Preparation

Instructions
No NPO requirements. Free-breathing.
Position
Supine, head first
Coil
dStream Posterior coil
Landmark
Center at area of interest

Contrast Agent Parameters

Contrast Agent Dose Injection Rate Dose Timing Method and Scan Delay
Gadopiclenol (VUEWAY) 0.1 mL/kg (single dose, weight-based) Hand injection IV placed prior to start of MRI
Saline Flush 5-10 mL Hand injection Following contrast
Comments Single dose of VUEWAY 0.1 mL/kg based on patient weight; hand inject followed by 5-10 mL saline flush. Report agent administered and dose.

Info Page

Scan Description Survey SG T1 DIXON SG T2 DIXON AX T1 3D AX T2 CO T2 mDIXON SG T1 DIXON
POST CONTRAST		 AX T1 3D
POST CONTRAST		 CO T1 mDIXON
POST CONTRAST
    View Image View Image View Image View Image   View Image View Image  
Total scan duration 00:43.0 04:08.8 04:54.0 01:36.6 03:40.9 03:49.6 04:08.8 01:04.9 04:09.0
Rel. SNR 5.4462347 6.63062191 2.38801455 2.22599983 1.17035472 3.38538837 6.63062191 1.8175211 5.74215841
Act. TR(ms) ― 457 3000 ― 4248 2800 457 ― 652
Act. TE(ms) ― 11 100 ― 95 80 11 ― 12
Act. TR/TE(ms) 24 / 4.0 ― ― 4.2 / 2.3 ― ― ― 4.2 / 2.3 ―
Act. TR/TI(ms) ― ― ― ― ― ― ― ― ―
Act. TR/TE1/delta TE(ms) ― ― ― ― ― ― ― ― ―
ACQ matrix M x P 152 x 150 200 x 267 228 x 273 188 x 187 252 x 176 216 x 191 200 x 267 188 x 187 200 x 300
ACQ voxel MPS (mm) 1.97 / 2.00 / 4.00 0.80 / 0.90 / 3.00 0.70 / 0.88 / 3.00 0.80 / 0.80 / 3.00 0.60 / 0.85 / 3.00 0.65 / 0.92 / 3.00 0.80 / 0.90 / 3.00 0.80 / 0.80 / 3.00 0.70 / 0.80 / 3.00
REC voxel MPS (mm) 1.34 / 1.34 / 4.00 0.50 / 0.50 / 3.00 0.42 / 0.42 / 3.00 0.52 / 0.52 / 3.00 0.43 / 0.43 / 3.00 0.44 / 0.44 / 3.00 0.50 / 0.50 / 3.00 0.52 / 0.52 / 3.00 0.42 / 0.42 / 3.00
Scan percentage (%) 98.6842117 88.8888855 79.7202835 99.408287 69.8412704 70.6319733 88.8888855 99.408287 87.441864
Packages 3 2 2 ― 4 2 2 ― 2
TFE shots ― ― ― ― ― ― ― ― ―
TFE dur. shot / acq (ms) ― ― ― 268.4 / 262.9 ― ― ― 268.4 / 262.9 ―
TFE shot interval (ms) ― ― ― 268.382111 ― ― ― 268.382111 ―
Min. TI delay ― ― ― ― ― ― ― ― ―
Min. slice gap (mm) -0 3 3 ― 3 3 3 ― 3
EPIfactor ― ― ― ― ― ― ― ― ―
Act.slicegap (mm) ― 0.300000012 ― 0 0.300000012 ― 0.300000012 0 0.300000012
Act. WFS (pix) / BW (Hz) 1.149 / 378.1 ― ― 0.601 / 722.7 ― ― ― 0.601 / 722.7 ―
Min. WFS (pix) / Max. BW (Hz) 0.518 / 839.1 ― ― 0.568 / 764.2 ― ― ― 0.568 / 764.2 ―
Min. TR/TE(ms) ― ― ― 4.2 / 1.90 ― ― ― 4.2 / 1.90 ―
Min. TR/TE1/delta TE(ms) ― ― ― ― ― ― ― ― ―
WFS (pix) / BW (Hz) ― 1.856 / 234.1 1.506 / 288.6 ― 1.222 / 355.6 1.802 / 241.1 1.856 / 234.1 ― 1.762 / 246.5
TSE es / shot(ms) ― 11.0 / 44 10.0 / 190 ― 8.3 / 190 10.0 / 190 11.0 / 44 ― 11.5 / 46
TEeff / TEequiv(ms) ― 11 / 11 100 / 89 ― 95 / 84 80 / 70 11 / 11 ― 12 / 12
Min. TR(ms) ― 457 2073 ― 4248 1741 457 ― 652
Min. TR/TI(ms) ― ― ― ― ― ― ― ― ―
BW in EPI freq. dir. (Hz) ― ― ― ― ― ― ― ― ―
SPIR offset act./default (Hz) ― ― ― ― ― ― ― ― ―
Local torso SAR < 24 % < 100 % < 69 % < 33 % < 100 % < 62 % < 100 % < 33 % < 68 %
Whole body SAR / level < 0.8 W/kg / normal < 2.9 W/kg / 1st level < 2.0 W/kg / normal < 1.1 W/kg / normal < 2.9 W/kg / 1st level < 1.8 W/kg / normal < 2.9 W/kg / 1st level < 1.1 W/kg / normal < 2.0 W/kg / normal
SED 0.0 kJ/kg < 0.7 kJ/kg < 0.6 kJ/kg < 0.1 kJ/kg < 0.6 kJ/kg < 0.4 kJ/kg < 0.7 kJ/kg < 0.1 kJ/kg < 0.5 kJ/kg
Coil Power ― 87 % 60 % 31 % 87 % 54 % 87 % 31 % 59 %
Max B1+rms 1.11 uT 2.18 uT 1.82 uT 1.31 uT 2.18 uT 1.72 uT 2.18 uT 1.31 uT 1.80 uT
PNS / level 17 % / normal 45 % / normal 59 % / normal 76 % / normal 60 % / normal 46 % / normal 45 % / normal 76 % / normal 35 % / normal
dB/dt 16.1 T/s 82.2 T/s 58.8 T/s 107.4 T/s 76.7 T/s 76.3 T/s 82.2 T/s 107.4 T/s 68.4 T/s
Sound Pressure Level (dB) -2.40879846 9.97241497 9.130023 16.8201542 6.88784981 9.24331474 9.97241497 16.8201542 3.91724324
Boil-off (hPa/h) ― ― ― ― ― ― ― ― ―
Max Boil-off (hPa/h) ― ― ― ― ― ― ― ― ―
Boil-off (hPa) ― ― ― ― ― ― ― ― ―

Geometry

Scan Description Survey SG T1 DIXON SG T2 DIXON AX T1 3D AX T2 CO T2 mDIXON SG T1 DIXON
POST CONTRAST		 AX T1 3D
POST CONTRAST		 CO T1 mDIXON
POST CONTRAST
Nucleus ― ― ― ― ― ― ― ― ―
SmartSelect yes yes yes yes yes yes yes yes yes
Coil 1 (exclude) ― None None None None None None None None
Uniformity ― CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR
FOV AP (mm) ― 160 160 150 150 49.2000008 160 150 49.2000008
FOV FH (mm) 300 240 240 171 171.300003 140 240 171 240
FOV RL (mm) 300 49.2000008 49.2000008 150 150 175 49.2000008 150 140
    stack RL (mm) ― ― ― ― ― ― ― ― ―
ACQ voxel size AP (mm) ― 0.800000012 0.699999988 0.800000012 0.800000012 ― 0.800000012 0.800000012 ―
ACQ voxel size FH (mm) 2 0.899999976 0.850000024 3 ― 0.649999976 0.899999976 3 0.800000012
ACQ voxel size RL (mm) 2 ― ― 0.800000012 0.600000024 0.800000012 ― 0.800000012 0.699999988
Slice thickness (mm) 4 3 3 ― 3 3 3 ― 3
Recon voxel size AP (mm) ― 0.5 0.416666657 0.520833313 0.426136374 ― 0.5 0.520833313 ―
Recon voxel size FH (mm) 1.33928573 0.5 0.416666657 3 ― 0.4375 0.5 3 0.416666657
Recon voxel size RL (mm) 1.33928573 ― ― 0.520833313 0.426136374 0.4375 ― 0.520833313 0.416666657
Fold-over suppression oversampling oversampling oversampling oversampling oversampling oversampling oversampling oversampling oversampling
Slice oversampling ― ― ― default ― ― ― default ―
    oversample factor ― ― ― ― ― ― ― ― ―
ENCASE enable ― ― ― no ― ― ― no ―
RF select. FOS ― ― ― ― ― ― ― ― ―
Reconstruction matrix 224 480 576 288 352 400 480 288 576
SENSE no no yes yes yes yes no yes yes
    Preduction (AP) ― ― ― 1.5 1.79999995 ― ― 1.5 ―
MB SENSE ― ― ― ― ― ― ― ― ―
CS-SENSE no no no no no no no no no
    reduction ― ― ― ― ― ― ― ― ―
    denoising ― ― ― ― ― ― ― ― ―
k-t Acceleration no no no no no no no no no
Stacks 3 1 1 1 1 1 1 1 1
    current ― ― ― ― ― ― ― ― ―
    type parallel parallel parallel ― parallel parallel parallel ― parallel
    slices 3 15 15 57 52 15 15 57 15
    slice gap user defined default user defined ― default user defined default ― default
    gap (mm) 5 ― 0.299999952 ― ― 0.299999952 ― ― ―
    slice orientation coronal sagittal sagittal transverse transverse coronal sagittal transverse coronal
    fold-over direction FH FH FH AP AP RL FH AP FH
    fat shift direction P P P L L F P L L
Minimum number of packages 1 1 1 ― 1 1 1 ― 1
Multi-chunk ― ― ― no ― ― ― no ―
Slice scan order default default default ― default default default ― default
Stack scan order ascend ― ― ― ― ― ― ― ―
Stack sort order no ― ― ― ― ― ― ― ―
O-MAR ― no no ― no no no ― no
Large table movement no no no no no no no no no
Plan Align yes no no no no no no no no
REST slabs 0 0 1 1 1 0 0 1 0
    type ― ― free free free ― ― free ―
    thickness (mm) ― ― 60 60 60 ― ― 60 ―
    position ― ― ― ― ― ― ― ― ―
    gap ― ― ― ― ― ― ― ― ―
    power ― ― 1 1 1 ― ― 1 ―
Interactive positioning no no no no no no no no no
Allow table movement ― ― ― ― ― ― ― ― ―
Patient position head first head first head first head first head first head first head first head first head first
Patient body position head first head first head first head first head first head first head first head first head first
Patient orientation supine supine supine supine supine supine supine supine supine
Patient body orientation supine supine supine supine supine supine supine supine supine

Contrast

Scan Description Survey SG T1 DIXON SG T2 DIXON AX T1 3D AX T2 CO T2 mDIXON SG T1 DIXON
POST CONTRAST		 AX T1 3D
POST CONTRAST		 CO T1 mDIXON
POST CONTRAST
Scan type Imaging Imaging Imaging Imaging Imaging Imaging Imaging Imaging Imaging
Scan mode MS MS MS 3D MS MS MS 3D MS
technique FFE SE SE FFE SE SE SE FFE SE
Modified SE ― no no ― no no no ― no
3D non-selective ― ― ― ― ― ― ― ― ―
loop order ― ― ― ― ― ― ― ― ―
Contrast enhancement no ― ― T1 ― ― ― T1 ―
Acquisition mode cartesian cartesian cartesian cartesian cartesian cartesian cartesian cartesian cartesian
Fast Imaging mode none TSE TSE TFE TSE TSE TSE TFE TSE
3D VIEW ― ― ― ― ― ― ― ― ―
shot mode ― multishot multishot single-shot multishot multishot multishot single-shot multishot
TFE factor ― ― ― 62 ― ― ― 62 ―
TSE factor ― 4 19 ― 22 19 4 ― 4
startup echoes ― 0 0 user defined 0 0 0 user defined 0
shot interval ― ― ― shortest ― ― ― shortest ―
profile order ― asymmetric asymmetric linear linear asymmetric asymmetric linear asymmetric
turbo direction ― ― ― Z ― ― ― Z ―
DRIVE ― no no ― yes no no ― no
ultrashort ― yes yes ― no yes yes ― yes
shift ― ― ― ― ― ― ― ― ―
fid reduction ― default default ― default default default ― default
Echoes 1 1 1 1 1 1 1 1 1
partial echo no no no no no no no no no
shifted echo no ― ― no ― ― ― no ―
TE shortest shortest user defined in-phase user defined user defined shortest in-phase shortest
(ms) ― ― 100 2.30192113 95 80 ― 2.30192113 ―
echospacing ― user defined user defined ― ― user defined user defined ― user defined
(ms) ― 11 10 ― ― 10 11 ― 11.5
flyback ― ― ― ― ― ― ― ― ―
Flip angle (deg) 45 100 90 10 90 90 100 10 90
Refocusing control ― constant constant ― constant constant constant ― constant
angle (deg) ― 100 120 ― 120 115 100 ― 100
bright fat reduction ― no no ― no no no ― no
TR shortest range range shortest range range range shortest range
(ms) ― ― ― ― ― ― ― ― ―
minimum (ms) ― 400 3000 ― 2000 2800 400 ― 400
maximum (ms) ― 775 6000 ― 4500 6000 775 ― 750
Halfscan no no no yes no no no yes no
factor ― ― ― ― ― ― ― ― ―
factor Y ― ― ― 0.699999988 ― ― ― 0.699999988 ―
factor Z ― ― ― 0.850000024 ― ― ― 0.850000024 ―
Water-fat shift maximum maximum maximum user defined maximum maximum maximum user defined maximum
(pixels) ― ― ― 0.600000024 ― ― ― 0.600000024 ―
IR delay (ms) ― ― ― ― ― ― ― ― ―
dual ― ― ― ― ― ― ― ― ―
power ― ― ― ― ― ― ― ― ―
RF Shims ― adaptive adaptive fixed adaptive adaptive adaptive fixed adaptive
Shim ― default default auto default default default auto default
mDIXON no yes yes no no yes yes no yes
Fat suppression no no no no no no no no no
strength ― ― ― ― ― ― ― ― ―
power ― ― ― ― ― ― ― ― ―
inversion delay ― ― ― ― ― ― ― ― ―
suppr. level ― ― ― ― ― ― ― ― ―
frequency offset ― ― ― ― ― ― ― ― ―
offset (Hz) ― ― ― ― ― ― ― ― ―
Grad Rev Fat suppr ― no no ― no no no ― no
Water suppression no no no no no no no no no
TFE prepulse ― ― ― no ― ― ― no ―
slice selection ― ― ― ― ― ― ― ― ―
delay ― ― ― ― ― ― ― ― ―
(ms) ― ― ― ― ― ― ― ― ―
BB pulse ― no no ― no no no ― no
MTC no no no no no no no no no
T2prep ― ― ― no ― ― ― no ―
echo time(ms) ― ― ― ― ― ― ― ― ―
refocusing pulses ― ― ― ― ― ― ― ― ―
APT ― no no ― no no no ― no
Custom prepulse no no no no no no no no no
MDME no no no no no no no no no
Diffusion mode no no no no no no no no no
sequence ― ― ― ― ― ― ― ― ―
gradient expert mode ― ― ― ― ― ― ― ― ―
gradient overplus ― ― ― ― ― ― ― ― ―
direction ― ― in-plane ― in-plane ― ― ― ―
nr of b-factors ― ― ― ― ― ― ― ― ―
b-factor order ― ― ― ― ― ― ― ― ―
max b-factor ― ― ― ― ― ― ― ― ―
average high b ― ― ― ― ― ― ― ― ―
T1 mapping no no no no no no no no no
Transmit channels ― both both both both both both both both
SAR mode high high high high high high high high high
B1 mode default default default default default default default default default
SAR allow first level yes yes yes yes yes yes yes yes no
Patient pregnancy no no no no no no no no no
Patient WB SAR [W/kg] 0 0 0 0 0 0 0 0 0
Patient Head SAR [W/kg] 0 0 0 0 0 0 0 0 0
Patient max. dB/dt [T/s] 0 0 0 0 0 0 0 0 0
Max slewrate [T/m/s] 0 0 0 0 0 0 0 0 0
Max. B1+rms [uT] 0 0 0 0 0 0 0 0 0
PNS mode low low low high low low low high low
Gradient mode regular maximum maximum maximum maximum maximum maximum maximum maximum
SofTone mode no no no no no no no no no

Motion

Scan Description Survey SG T1 DIXON SG T2 DIXON AX T1 3D AX T2 CO T2 mDIXON SG T1 DIXON
POST CONTRAST		 AX T1 3D
POST CONTRAST		 CO T1 mDIXON
POST CONTRAST
Cardiac synchronization no no no no no no no no no
Heart rate > 250 bpm no no no no no no no no no
Respiratory compensation no no no no no no no no no
Navigator respiratory comp no no no no no no no no no
Flow compensation no sensitized yes no yes no sensitized no sensitized
Temporal slice spacing default default default ― default default default ― default
Motion smoothing ― yes yes no yes yes yes no yes
fMRI echo stabilisation no ― ― no ― ― ― no ―
NSA 2 1 1 3 2 2 1 2 1
MRE enable no no no no no no no no no

Dynamic Angio

Scan Description Survey SG T1 DIXON SG T2 DIXON AX T1 3D AX T2 CO T2 mDIXON SG T1 DIXON
POST CONTRAST		 AX T1 3D
POST CONTRAST		 CO T1 mDIXON
POST CONTRAST
Angio / Contrast enh. no ― ― contrast enh. ― ― ― contrast enh. ―
Quantitative flow no ― ― no ― ― ― no ―
CENTRA ― ― ― ― ― ― ― ― ―
Manual start no no no no no no no no no
Dynamic study no no no no no no no no no
Arterial Spin labeling no no no no no no no no no

Post Processing

Scan Description Survey SG T1 DIXON SG T2 DIXON AX T1 3D AX T2 CO T2 mDIXON SG T1 DIXON
POST CONTRAST		 AX T1 3D
POST CONTRAST		 CO T1 mDIXON
POST CONTRAST
Preparation phases ― auto auto full auto auto auto full auto
Interactive F0 no no no no no no no no no
Quick Survey default default default default default default default default default
SmartPlan survey no no no no no no no no no
B0 field map no no no no no no no no no
B1 field map no no no no no no no no no
MIP/MPR no no no no no no no no no
SWIp no ― ― no ― ― ― no ―
Images no ― ― no no ― ― no ―
Autoview image M ― ― M M ― ― M ―
Calculated images no ― ― no no ― ― no ―
Reference tissue Skeletal muscle Skeletal muscle Skeletal muscle Lung Skeletal muscle Skeletal muscle Skeletal muscle Lung Skeletal muscle
Recon compression No No No No No No No No No
Preset window contrast hard intermediate intermediate soft intermediate intermediate intermediate soft intermediate
Reconstruction mode real time real time real time real time real time real time real time real time real time
Save raw data no no no no no no no no no
Hardcopy protocol no no no no no no no no no
Image filter system default system default system default system default system default system default system default system default system default
Uniformity correction no no no no no no no no no
Geometry correction default default default default default default default default default
EPI geometry correction ― ― ― ― ― ― ― ― ―
ADC correction ― ― ― ― ― ― ― ― ―
Elliptical k-space shutter ― ― ― default ― ― ― default ―
Free rotatable no no no no no no no no no