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Pediatric Abdomen Free-Breathing 3T

Philips Healthcare – MR Gadopiclenol (VUEWAY®) Protocols

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Instructions And Patient Preparation

Instructions
NPO 4 hours prior. Free-breathing. Cover top of liver through kidneys.
Position
Supine, head first
Coil
dStream Torso coil
Landmark
Center at mid abdomen

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 CO T2 FS MVXD AX T2 FS MVXD SG T2 FS MVXD AX T1 mDIXON VANE 3D NAV AX DWI 0 100 600 RT AX T1 mDIXON VANE 3D NAV
POST CONTRAST
    View Image View Image View Image View Image View Image View Image
Total scan duration 00:11.4 02:15.0 02:48.0 03:12.0 02:30.5 03:12.0 02:30.5
Rel. SNR 5.3363061 4.17610502 3.60832 4.95956373 5.61057186 12.4888773 5.61057186
Act. TR(ms) ― 1860 1860 1860 ― 1210 ―
Act. TE(ms) ― 80 80 80 ― 57 ―
Act. TR/TE(ms) 8.0 / 2.5 ― ― ― ― ― ―
Act. TR/TI(ms) ― ― ― ― ― ― ―
Act. TR/TE1/delta TE(ms) ― ― ― ― ― ― ―
ACQ matrix M x P 116 x 57 188 x 188 168 x 168 172 x 172 140 x 140 72 x 38 140 x 140
ACQ voxel MPS (mm) 1.72 / 3.51 / 5.00 1.20 / 1.20 / 3.00 1.19 / 1.19 / 3.00 1.31 / 1.31 / 3.00 1.29 / 1.29 / 1.30 2.50 / 3.71 / 5.00 1.29 / 1.29 / 1.30
REC voxel MPS (mm) 1.56 / 1.56 / 5.00 0.94 / 0.94 / 3.00 0.89 / 0.89 / 3.00 0.94 / 0.94 / 3.00 1.02 / 1.02 / 1.00 1.61 / 1.61 / 5.00 1.02 / 1.02 / 1.00
Scan percentage (%) 49.1379318 ― ― ― ― 67.3076935 ―
Packages ― 5 8 8 ― 2 ―
TFE shots ― ― ― ― ― ― ―
TFE dur. shot / acq (ms) 1036.2 / 456.0 ― ― ― 662.8 / 564.0 ― 662.8 / 564.0
TFE shot interval (ms) ― ― ― ― ― ― ―
Min. TI delay 262.777191 ― ― ― ― ― ―
Min. slice gap (mm) ― 3 3 3 ― -0 ―
EPIfactor ― ― ― ― ― 35 ―
Act.slicegap (mm) ― ― ― ― -0.299999952 ― -0.299999952
Act. WFS (pix) / BW (Hz) 1.318 / 329.5 ― ― ― 0.452 / 960.1 ― 0.452 / 960.1
Min. WFS (pix) / Max. BW (Hz) 0.282 / 1539.4 ― ― ― 0.380 / 1144.7 ― 0.380 / 1144.7
Min. TR/TE(ms) 5.0 / 2.5 ― ― ― ― ― ―
Min. TR/TE1/delta TE(ms) ― ― ― ― ― ― ―
WFS (pix) / BW (Hz) ― 0.386 / 1126.9 0.385 / 1127.3 0.353 / 1231.7 ― 8.410 / 51.7 ―
TSE es / shot(ms) ― 5.5 / 155 5.7 / 154 5.5 / 155 ― ― ―
TEeff / TEequiv(ms) ― 80 / 58 80 / 58 80 / 58 ― ― ―
Min. TR(ms) ― 1692 1690 1691 ― ― ―
Min. TR/TI(ms) ― ― ― ― ― ― ―
BW in EPI freq. dir. (Hz) ― ― ― ― ― 2386.8 ―
SPIR offset act./default (Hz) ― ― ― ― ― ― ―
Local torso SAR < 11 % < 75 % < 73 % < 75 % < 12 % < 51 % < 12 %
Whole body SAR / level < 0.4 W/kg / normal < 2.4 W/kg / 1st level < 2.4 W/kg / 1st level < 2.4 W/kg / 1st level < 0.4 W/kg / normal < 1.6 W/kg / normal < 0.4 W/kg / normal
SED 0.0 kJ/kg < 0.3 kJ/kg < 0.4 kJ/kg < 0.5 kJ/kg < 0.1 kJ/kg < 0.3 kJ/kg < 0.1 kJ/kg
Coil Power ― 71 % 70 % 71 % 12 % 48 % 12 %
Max B1+rms 0.75 uT 1.98 uT 1.96 uT 1.98 uT 0.80 uT 1.63 uT 0.80 uT
PNS / level 70 % / normal 54 % / normal 56 % / normal 58 % / normal 75 % / normal 84 % / 1st level 75 % / normal
dB/dt 49.7 T/s 72.2 T/s 73.8 T/s 72.7 T/s 63.2 T/s 131.2 T/s 63.2 T/s
Sound Pressure Level (dB) 13.0032883 10.7640982 9.18202496 11.0394154 14.9188089 13.1319609 14.9188089
Boil-off (hPa/h) ― ― ― ― ― ― ―
Max Boil-off (hPa/h) ― ― ― ― ― ― ―
Boil-off (hPa) ― ― ― ― ― ― ―

Geometry

Scan Description Survey CO T2 FS MVXD AX T2 FS MVXD SG T2 FS MVXD AX T1 mDIXON VANE 3D NAV AX DWI 0 100 600 RT AX T1 mDIXON VANE 3D NAV
POST CONTRAST
Nucleus ― ― ― ― ― ― ―
SmartSelect yes yes yes yes yes yes yes
Coil 1 (exclude) ― None None None None None None
Uniformity ― CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR
FOV AP (mm) ― 119 200 225 180 141.428574 180
FOV FH (mm) 200 225 191 225 156 164.5 156
FOV RL (mm) 200 225 200 179 180 180 180
    stack RL (mm) ― ― ― ― ― ― ―
ACQ voxel size AP (mm) ― ― 1.20000005 1.29999995 1.29999995 3.60160422 1.29999995
ACQ voxel size FH (mm) 1.75781298 1.20000005 ― 1.29999995 1.29999995 ― 1.29999995
ACQ voxel size RL (mm) 3.5087719 1.20000005 1.20000005 ― 1.29999995 2.50999999 1.29999995
Slice thickness (mm) 5 3 3 3 ― 5 ―
Recon voxel size AP (mm) ― ― 0.892857134 0.9375 1.02272725 1.60714281 1.02272725
Recon voxel size FH (mm) 1.5625 0.9375 ― 0.9375 1 ― 1
Recon voxel size RL (mm) 1.5625 0.9375 0.892857134 ― 1.02272725 1.60714281 1.02272725
Fold-over suppression no no no no no oversampling no
Slice oversampling ― ― ― ― default ― default
    oversample factor ― ― ― ― ― ― ―
ENCASE enable ― ― ― ― no ― no
RF select. FOS ― ― ― ― ― ― ―
Reconstruction matrix 128 240 224 240 176 112 176
SENSE no yes yes yes yes yes yes
    Preduction (AP) ― ― ― ― 1 2 1
MB SENSE ― ― ― ― ― no ―
CS-SENSE no ― ― ― ― no ―
    reduction ― ― ― ― ― ― ―
    denoising ― ― ― ― ― ― ―
k-t Acceleration no no no no no no no
Stacks 3 1 1 1 1 1 1
    current ― ― ― ― ― ― ―
    type parallel parallel parallel parallel ― parallel ―
    slices 3 30 48 45 156 30 156
    slice gap user defined user defined user defined user defined ― user defined ―
    gap (mm) 10 1 1 1 ― 0.5 ―
    slice orientation coronal coronal transverse sagittal transverse transverse transverse
    fold-over direction RL ― ― ― ― AP ―
    fat shift direction P ― ― ― ― A ―
Minimum number of packages ― 1 1 1 ― 2 ―
Multi-chunk ― ― ― ― no ― no
Slice scan order interleaved default default default ― interleaved ―
Stack scan order ascend ― ― ― ― ― ―
Stack sort order no ― ― ― ― ― ―
O-MAR ― no no no ― ― ―
Large table movement no no no no no no no
Plan Align no no no no no no no
REST slabs 0 0 0 0 0 0 0
    type ― ― ― ― ― ― ―
    thickness (mm) ― ― ― ― ― ― ―
    position ― ― ― ― ― ― ―
    gap ― ― ― ― ― ― ―
    power ― 2 2 2 ― ― ―
Interactive positioning 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
Patient body position head first head first head first head first head first head first head first
Patient orientation supine supine supine supine supine supine supine
Patient body orientation supine supine supine supine supine supine supine

Contrast

Scan Description Survey CO T2 FS MVXD AX T2 FS MVXD SG T2 FS MVXD AX T1 mDIXON VANE 3D NAV AX DWI 0 100 600 RT AX T1 mDIXON VANE 3D NAV
POST CONTRAST
Scan type Imaging Imaging Imaging Imaging Imaging Imaging Imaging
Scan mode M2D MS MS MS 3D MS 3D
technique FFE SE SE SE FFE SE FFE
Modified SE ― no no no ― no ―
3D non-selective ― ― ― ― ― ― ―
loop order ― ― ― ― ― ― ―
Contrast enhancement T1 ― ― ― T1 ― T1
Acquisition mode cartesian MultiVane MultiVane MultiVane radial cartesian radial
Fast Imaging mode TFE TSE TSE TSE TFE EPI TFE
3D VIEW ― ― ― ― ― ― ―
shot mode single-shot multishot multishot multishot single-shot single-shot single-shot
TFE factor 57 ― ― ― 96 ― 96
TSE factor ― 28 27 28 ― ― ―
startup echoes default 0 0 0 default ― default
shot interval ― ― ― ― shortest ― shortest
profile order linear linear linear linear ― ― ―
turbo direction ― ― ― ― Z ― Z
DRIVE ― no no no ― ― ―
ultrashort ― no no no ― ― ―
shift ― ― ― ― ― ― ―
fid reduction ― default default default ― ― ―
Echoes 1 1 1 1 2 1 2
partial echo no no no no no no no
shifted echo no ― ― ― no ― no
TE shortest user defined user defined user defined shortest shortest shortest
(ms) ― 80 80 80 ― ― ―
echospacing ― ― ― ― ― ― ―
(ms) ― ― ― ― ― ― ―
flyback ― ― ― ― no ― no
Flip angle (deg) 15 90 90 90 10 90 10
Refocusing control ― constant constant constant ― ― ―
angle (deg) ― 80 80 80 ― ― ―
bright fat reduction ― no no no ― ― ―
TR user defined user defined user defined user defined shortest shortest shortest
(ms) 8 1860 1860 1860 ― ― ―
minimum (ms) ― ― ― ― ― ― ―
maximum (ms) ― ― ― ― ― ― ―
Halfscan no no no no yes yes yes
factor ― ― ― ― ― 0.698113024 ―
factor Y ― ― ― ― ― ― ―
factor Z ― ― ― ― 0.800000012 ― 0.800000012
Water-fat shift user defined minimum minimum minimum user defined minimum user defined
(pixels) 3.5 ― ― ― 0.449999988 ― 0.449999988
IR delay (ms) ― ― ― ― ― ― ―
dual ― ― ― ― ― ― ―
power ― ― ― ― ― ― ―
RF Shims ― fixed fixed fixed fixed fixed fixed
Shim ― volume default default default auto default
mDIXON no no no no yes no yes
Fat suppression no SPAIR SPAIR SPAIR no SPIR no
strength ― ― ― ― ― strong ―
power ― 2 2 2 ― ― ―
inversion delay ― auto auto auto ― ― ―
suppr. level ― strong strong strong ― ― ―
frequency offset ― default default default ― default ―
offset (Hz) ― ― ― ― ― ― ―
Grad Rev Fat suppr ― no no no ― yes ―
Water suppression no no no no no no no
TFE prepulse invert ― ― ― no ― no
slice selection no ― ― ― ― ― ―
delay user defined ― ― ― ― ― ―
(ms) 800 ― ― ― ― ― ―
BB pulse ― no no no ― no ―
MTC no no no no no no no
T2prep no ― ― ― no ― no
echo time(ms) ― ― ― ― ― ― ―
refocusing pulses ― ― ― ― ― ― ―
APT ― no no no ― no ―
Custom prepulse no no no no no no no
MDME no no no no no no no
Diffusion mode no no no no no DWI no
sequence ― ― ― ― ― ― ―
gradient expert mode ― ― ― ― ― ― ―
gradient overplus ― ― ― ― ― yes ―
direction ― ― ― ― FH ― FH
nr of b-factors ― ― ― ― ― 3 ―
b-factor order ― ― ― ― ― user defined ―
max b-factor ― ― ― ― ― ― ―
average high b ― ― ― ― ― yes ―
T1 mapping no no no no no no no
Transmit channels ― both both both both both both
SAR mode high high high high high high high
B1 mode default default default default default default default
SAR allow first level yes yes yes yes yes yes yes
Patient pregnancy no no no no no no no
Patient WB SAR [W/kg] 0 0 0 0 0 0 0
Patient Head SAR [W/kg] 0 0 0 0 0 0 0
Patient max. dB/dt [T/s] 0 0 0 0 0 0 0
Max slewrate [T/m/s] 0 0 0 0 0 0 0
Max. B1+rms [uT] 0 0 0 0 0 0 0
PNS mode moderate high high high high high high
Gradient mode default maximum maximum maximum maximum maximum maximum
SofTone mode no no no no no no no

Motion

Scan Description Survey CO T2 FS MVXD AX T2 FS MVXD SG T2 FS MVXD AX T1 mDIXON VANE 3D NAV AX DWI 0 100 600 RT AX T1 mDIXON VANE 3D NAV
POST CONTRAST
Cardiac synchronization no no no no no no no
Heart rate > 250 bpm no no no no no no no
Respiratory compensation breath hold trigger trigger trigger no trigger no
Navigator respiratory comp no no no no gate no gate
type ― parallel parallel parallel lead parallel lead
Flow compensation no no no no no no no
Temporal slice spacing ― default default default ― default ―
Motion smoothing no no no no no ― no
fMRI echo stabilisation no ― ― ― no ― no
NSA 1 1 1 1 1 3 1
MRE enable no no no no no no no

Dynamic Angio

Scan Description Survey CO T2 FS MVXD AX T2 FS MVXD SG T2 FS MVXD AX T1 mDIXON VANE 3D NAV AX DWI 0 100 600 RT AX T1 mDIXON VANE 3D NAV
POST CONTRAST
Angio / Contrast enh. no ― ― ― no ― no
Quantitative flow no ― ― ― no ― no
CENTRA ― ― ― ― ― ― ―
Manual start no no no no no no no
Dynamic study no no no no no no no
Arterial Spin labeling no no no no no no no

Post Processing

Scan Description Survey CO T2 FS MVXD AX T2 FS MVXD SG T2 FS MVXD AX T1 mDIXON VANE 3D NAV AX DWI 0 100 600 RT AX T1 mDIXON VANE 3D NAV
POST CONTRAST
Preparation phases ― auto auto auto full auto full
Interactive F0 no no no no no no no
Quick Survey default default default default default default default
SmartPlan survey no no no no no no no
B0 field map no no no no no no no
B1 field map no no no no no no no
MIP/MPR no no no no no no no
SWIp no ― ― ― no ― no
Images no no no no ― no ―
Autoview image M M M M ― M ―
Calculated images no no no no ― no ―
Reference tissue Liver Grey matter Grey matter Grey matter Liver Liver Liver
Recon compression No No No No Default No Default
Preset window contrast soft soft soft soft no soft no
Reconstruction mode real time immediate immediate immediate immediate immediate immediate
Save raw data no no no no no no no
Hardcopy protocol no no no no no no no
Image filter system default system default system default system default system default system default system default
Uniformity correction no no no no yes no yes
Geometry correction default default default default none default none
EPI geometry correction ― ― ― ― ― no ―
ADC correction ― ― ― ― ― no ―
Elliptical k-space shutter ― ― ― ― ― ― ―
Free rotatable no no no no no no no