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Pediatric Spine Drop Metastases 3T

Philips Healthcare – MR Gadopiclenol (VUEWAY®) Protocols

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Instructions And Patient Preparation

Instructions
Post-contrast images only. Typically follows an MR Brain with/without contrast. Each sequence can be duplicated to cover the entire spine if needed. 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
POST CONTRAST		 SG T2 3D
POST CONTRAST		 AX T1 3D
POST CONTRAST
    View Image View Image View Image
Total scan duration 00:43.0 04:08.8 04:04.4 01:29.8
Rel. SNR 5.4462347 6.63062191 1.2697475 2.15297008
Act. TR(ms) ― 457 1300 ―
Act. TE(ms) ― 11 168 ―
Act. TR/TE(ms) 24 / 4.0 ― ― 4.2 / 2.3
Act. TR/TI(ms) ― ― ― ―
Act. TR/TE1/delta TE(ms) ― ― ― ―
ACQ matrix M x P 152 x 150 200 x 267 200 x 352 188 x 187
ACQ voxel MPS (mm) 1.97 / 2.00 / 4.00 0.80 / 0.90 / 3.00 0.80 / 0.80 / 1.60 0.80 / 0.80 / 3.00
REC voxel MPS (mm) 1.34 / 1.34 / 4.00 0.50 / 0.50 / 3.00 0.40 / 0.40 / 0.80 0.52 / 0.52 / 3.00
Scan percentage (%) 98.6842117 88.8888855 100 99.408287
Packages 3 2 ― ―
TFE shots ― ― ― ―
TFE dur. shot / acq (ms) ― ― ― 374.2 / 368.7
TFE shot interval (ms) ― ― ― 374.188385
Min. TI delay ― ― ― ―
Min. slice gap (mm) -0 3 ― ―
EPIfactor ― ― ― ―
Act.slicegap (mm) ― 0.300000012 -0.800000012 0
Act. WFS (pix) / BW (Hz) 1.149 / 378.1 ― ― 0.601 / 722.7
Min. WFS (pix) / Max. BW (Hz) 0.518 / 839.1 ― ― 0.568 / 764.2
Min. TR/TE(ms) ― ― ― 4.2 / 1.90
Min. TR/TE1/delta TE(ms) ― ― ― ―
WFS (pix) / BW (Hz) ― 1.856 / 234.1 1.199 / 362.3 ―
TSE es / shot(ms) ― 11.0 / 44 6.5 / 422 ―
TEeff / TEequiv(ms) ― 11 / 11 168 / 119 ―
Min. TR(ms) ― 457 483 ―
Min. TR/TI(ms) ― ― ― ―
BW in EPI freq. dir. (Hz) ― ― ― ―
SPIR offset act./default (Hz) ― ― ― ―
Local torso SAR < 24 % < 100 % < 37 % < 29 %
Whole body SAR / level < 0.8 W/kg / normal < 2.9 W/kg / 1st level < 1.1 W/kg / normal < 0.9 W/kg / normal
SED 0.0 kJ/kg < 0.7 kJ/kg < 0.3 kJ/kg < 0.1 kJ/kg
Coil Power ― 87 % 32 % 28 %
Max B1+rms 1.11 uT 2.18 uT 1.33 uT 1.24 uT
PNS / level 17 % / normal 45 % / normal 48 % / normal 76 % / normal
dB/dt 16.1 T/s 82.2 T/s 45.2 T/s 107.4 T/s
Sound Pressure Level (dB) -2.40879846 9.97241497 6.0409112 16.7808495
Boil-off (hPa/h) ― ― ― ―
Max Boil-off (hPa/h) ― ― ― ―
Boil-off (hPa) ― ― ― ―

Geometry

Scan Description Survey SG T1 DIXON
POST CONTRAST		 SG T2 3D
POST CONTRAST		 AX T1 3D
POST CONTRAST
Nucleus ― ― ― ―
SmartSelect yes yes yes yes
Coil 1 (exclude) ― None None None
Uniformity ― CLEAR CLEAR CLEAR
FOV AP (mm) ― 160 160 150
FOV FH (mm) 300 240 281.600006 240
FOV RL (mm) 300 49.2000008 64 150
    stack RL (mm) ― ― ― ―
ACQ voxel size AP (mm) ― 0.800000012 0.800000012 0.800000012
ACQ voxel size FH (mm) 2 0.899999976 0.800000012 3
ACQ voxel size RL (mm) 2 ― 1.60000002 0.800000012
Slice thickness (mm) 4 3 ― ―
Recon voxel size AP (mm) ― 0.5 0.400000006 0.520833313
Recon voxel size FH (mm) 1.33928573 0.5 0.400000006 3
Recon voxel size RL (mm) 1.33928573 ― 0.800000012 0.520833313
Fold-over suppression oversampling oversampling oversampling oversampling
Slice oversampling ― ― user defined default
    oversample factor ― ― 1.79999995 ―
ENCASE enable ― ― ― no
RF select. FOS ― ― ― ―
Reconstruction matrix 224 480 704 288
SENSE no no no yes
    Preduction (AP) ― ― ― 1.5
MB SENSE ― ― ― ―
CS-SENSE no no yes no
    reduction ― ― 3 ―
    denoising ― ― system default ―
k-t Acceleration no no no no
Stacks 3 1 1 1
    current ― ― ― ―
    type parallel parallel ― ―
    slices 3 15 80 80
    slice gap user defined default ― ―
    gap (mm) 5 ― ― ―
    slice orientation coronal sagittal sagittal transverse
    fold-over direction FH FH FH AP
    fat shift direction P P P L
Minimum number of packages 1 1 ― ―
Multi-chunk ― ― no no
Slice scan order default default ― ―
Stack scan order ascend ― ― ―
Stack sort order no ― ― ―
O-MAR ― no no ―
Large table movement no no no no
Plan Align yes no no no
REST slabs 0 0 0 1
    type ― ― ― free
    thickness (mm) ― ― ― 60
    position ― ― ― ―
    gap ― ― ― ―
    power ― ― ― 1
Interactive positioning no no no no
Allow table movement ― ― ― ―
Patient position head first head first head first head first
Patient body position head first head first head first head first
Patient orientation supine supine supine supine
Patient body orientation supine supine supine supine

Contrast

Scan Description Survey SG T1 DIXON
POST CONTRAST		 SG T2 3D
POST CONTRAST		 AX T1 3D
POST CONTRAST
Scan type Imaging Imaging Imaging Imaging
Scan mode MS MS 3D 3D
technique FFE SE SE FFE
Modified SE ― no no ―
3D non-selective ― ― ― ―
loop order ― ― ― ―
Contrast enhancement no ― ― T1
Acquisition mode cartesian cartesian cartesian cartesian
Fast Imaging mode none TSE TSE TFE
3D VIEW ― ― Spine T2 ―
shot mode ― multishot multishot single-shot
TFE factor ― ― ― 87
TSE factor ― 4 62 ―
startup echoes ― 0 2 user defined
shot interval ― ― ― shortest
profile order ― asymmetric linear linear
turbo direction ― ― Y Z
DRIVE ― no yes ―
ultrashort ― yes ― ―
shift ― ― ― ―
fid reduction ― default default ―
Echoes 1 1 1 1
partial echo no no no no
shifted echo no ― ― no
TE shortest shortest shortest in-phase
(ms) ― ― ― 2.30192113
echospacing ― user defined ― ―
(ms) ― 11 ― ―
flyback ― ― ― ―
Flip angle (deg) 45 100 90 10
Refocusing control ― constant constant ―
angle (deg) ― 100 90 ―
bright fat reduction ― no no ―
TR shortest range user defined shortest
(ms) ― ― 1300 ―
minimum (ms) ― 400 ― ―
maximum (ms) ― 775 ― ―
Halfscan no no yes yes
factor ― ― ― ―
factor Y ― ― 0.800000012 0.699999988
factor Z ― ― 0.850000024 0.850000024
Water-fat shift maximum maximum user defined user defined
(pixels) ― ― 1.20000005 0.600000024
IR delay (ms) ― ― ― ―
dual ― ― ― ―
power ― ― ― ―
RF Shims ― adaptive adaptive fixed
Shim ― default default auto
mDIXON no yes no no
Fat suppression no no no no
strength ― ― ― ―
power ― ― ― ―
inversion delay ― ― ― ―
suppr. level ― ― ― ―
frequency offset ― ― ― ―
offset (Hz) ― ― ― ―
Grad Rev Fat suppr ― no no ―
Water suppression no no no no
TFE prepulse ― ― ― no
slice selection ― ― ― ―
delay ― ― ― ―
(ms) ― ― ― ―
BB pulse ― no no ―
MTC no no no no
T2prep ― ― ― no
echo time(ms) ― ― ― ―
refocusing pulses ― ― ― ―
APT ― no no ―
Custom prepulse no no no no
MDME no no no no
Diffusion mode no no no no
sequence ― ― ― ―
gradient expert mode ― ― ― ―
gradient overplus ― ― ― ―
direction ― ― ― ―
nr of b-factors ― ― ― ―
b-factor order ― ― ― ―
max b-factor ― ― ― ―
average high b ― ― ― ―
T1 mapping no no no no
Transmit channels ― both both both
SAR mode high high high high
B1 mode default default default default
SAR allow first level yes yes yes yes
Patient pregnancy no no no no
Patient WB SAR [W/kg] 0 0 0 0
Patient Head SAR [W/kg] 0 0 0 0
Patient max. dB/dt [T/s] 0 0 0 0
Max slewrate [T/m/s] 0 0 0 0
Max. B1+rms [uT] 0 0 0 0
PNS mode low low moderate high
Gradient mode regular maximum default maximum
SofTone mode no no no no

Motion

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

Dynamic Angio

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

Post Processing

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