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Pediatric Chest 3T

Philips Healthcare – MR Gadopiclenol (VUEWAY®) Protocols

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Instructions And Patient Preparation

Instructions
No NPO requirement. Free-breathing. Cover lung apices through mid-neck.
Position
Supine, head first
Coil
dStream Torso coil
Landmark
Center at mid chest

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 AX T2 FS MVXD CO T2 FS MVXD SG T2 FS MVXD AX T1 FS mDIXON VANE 3D AX T1 FS mDIXON VANE 3D
POST CONTRAST		 CO T1 FS 3D
POST CONTRAST
    View Image View Image   View Image View Image View Image
Total scan duration 00:21.3 03:15.0 02:06.0 02:48.0 02:30.5 02:30.5 02:01.3
Rel. SNR 6.40643835 0.289420217 0.603155911 0.791086435 0.76686883 0.76686883 0.67733866
Act. TR(ms) ― 2725 1860 1860 ― ― ―
Act. TE(ms) ― 149 (146/151) 80 80 ― ― ―
Act. TR/TE(ms) 8.0 / 4.6 ― ― ― ― ― ―
Act. TR/TI(ms) ― ― ― ― ― ― ―
Act. TR/TE1/delta TE(ms) ― ― ― ― ― ― ―
ACQ matrix M x P 172 x 85 184 x 184 156 x 156 156 x 156 140 x 140 140 x 140 140 x 140
ACQ voxel MPS (mm) 1.74 / 3.53 / 15.0 1.09 / 1.09 / 4.00 1.28 / 1.28 / 3.00 1.28 / 1.28 / 4.00 1.29 / 1.29 / 1.30 1.29 / 1.29 / 1.30 1.29 / 1.29 / 1.30
REC voxel MPS (mm) 1.56 / 1.56 / 15.0 0.83 / 0.83 / 4.00 0.89 / 0.89 / 3.00 0.89 / 0.89 / 4.00 1.02 / 1.02 / 1.00 1.02 / 1.02 / 1.00 1.02 / 1.02 / 1.00
Scan percentage (%) 49.4186058 ― ― ― ― ― ―
Packages ― 5 6 7 ― ― ―
TFE shots ― ― ― ― ― ― ―
TFE dur. shot / acq (ms) 708.8 / 677.0 ― ― ― 663.1 / 564.2 663.1 / 564.2 532.2 / 438.6
TFE shot interval (ms) 708.826477 ― ― ― ― ― ―
Min. TI delay ― ― ― ― ― ― ―
Min. slice gap (mm) ― 4 3 4 ― ― ―
EPIfactor ― ― ― ― ― ― ―
Act.slicegap (mm) ― ― ― ― -0.299999952 -0.299999952 -0.301075339
Act. WFS (pix) / BW (Hz) 2.107 / 206.2 ― ― ― 0.452 / 960.1 0.452 / 960.1 0.452 / 960.1
Min. WFS (pix) / Max. BW (Hz) 0.377 / 1153.5 ― ― ― 0.380 / 1144.7 0.380 / 1144.7 0.394 / 1102.3
Min. TR/TE(ms) 8.0 / 3.5 ― ― ― ― ― ―
Min. TR/TE1/delta TE(ms) ― ― ― ― ― ― ―
WFS (pix) / BW (Hz) ― 0.422 / 1029.2 0.358 / 1214.0 0.358 / 1214.0 ― ― ―
TSE es / shot(ms) ― 5.8 / 297 5.5 / 155 5.5 / 155 ― ― ―
TEeff / TEequiv(ms) ― 146 / 97 80 / 58 80 / 58 ― ― ―
Min. TR(ms) ― 2423 1691 1691 ― ― ―
Min. TR/TI(ms) ― ― ― ― ― ― ―
BW in EPI freq. dir. (Hz) ― ― ― ― ― ― ―
SPIR offset act./default (Hz) ― ― ― ― ― ― ―
Local torso SAR < 15 % < 82 % < 75 % < 75 % < 12 % < 12 % < 12 %
Whole body SAR / level < 0.5 W/kg / normal < 2.6 W/kg / 1st level < 2.4 W/kg / 1st level < 2.4 W/kg / 1st level < 0.4 W/kg / normal < 0.4 W/kg / normal < 0.4 W/kg / normal
SED 0.0 kJ/kg < 0.5 kJ/kg < 0.3 kJ/kg < 0.4 kJ/kg < 0.1 kJ/kg < 0.1 kJ/kg 0.0 kJ/kg
Coil Power ― 79 % 71 % 71 % 12 % 12 % 11 %
Max B1+rms 0.88 uT 2.07 uT 1.98 uT 1.98 uT 0.80 uT 0.80 uT 0.78 uT
PNS / level 78 % / normal 57 % / normal 55 % / normal 59 % / normal 75 % / normal 75 % / normal 65 % / normal
dB/dt 49.7 T/s 72.9 T/s 76.7 T/s 75.0 T/s 66.5 T/s 66.5 T/s 60.0 T/s
Sound Pressure Level (dB) 9.95438004 14.925498 10.8632116 11.2681313 14.8457556 14.8457556 13.8253288
Boil-off (hPa/h) ― ― ― ― ― ― ―
Max Boil-off (hPa/h) ― ― ― ― ― ― ―
Boil-off (hPa) ― ― ― ― ― ― ―

Geometry

Scan Description Survey AX T2 FS MVXD CO T2 FS MVXD SG T2 FS MVXD AX T1 FS mDIXON VANE 3D AX T1 FS mDIXON VANE 3D
POST CONTRAST		 CO T1 FS 3D
POST CONTRAST
Nucleus ― ― ― ― ― ― ―
SmartSelect no yes yes yes yes yes yes
Coil 1 (exclude) ― None None None None None None
Uniformity ― Synergy CLEAR CLEAR CLEAR CLEAR CLEAR
FOV AP (mm) ― 200 135 200 180 180 120
FOV FH (mm) 300 199 200 200 156 156 180
FOV RL (mm) 300 200 200 189 180 180 180
    stack RL (mm) ― ― ― ― ― ― ―
ACQ voxel size AP (mm) ― 1.10000002 ― 1.29999995 1.29999995 1.29999995 1.29999995
ACQ voxel size FH (mm) 1.75781298 ― 1.29999995 1.29999995 1.29999995 1.29999995 1.29999995
ACQ voxel size RL (mm) 3.515625 1.10000002 1.29999995 ― 1.29999995 1.29999995 1.29999995
Slice thickness (mm) 15 4 3 4 ― ― ―
Recon voxel size AP (mm) ― 0.833333313 ― 0.892857134 1.02272725 1.02272725 1
Recon voxel size FH (mm) 1.5625 ― 0.892857134 0.892857134 1 1 1.02272725
Recon voxel size RL (mm) 1.5625 0.833333313 0.892857134 ― 1.02272725 1.02272725 1.02272725
Fold-over suppression no no no no no no no
Slice oversampling ― ― ― ― default default default
    oversample factor ― ― ― ― ― ― ―
ENCASE enable ― ― ― ― no no no
RF select. FOS ― ― ― ― ― ― ―
Reconstruction matrix 192 240 224 224 176 176 176
SENSE no yes yes yes yes yes yes
    Preduction (AP) ― ― ― ― 1 1 1
MB SENSE ― ― ― ― ― ― ―
CS-SENSE 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 ― ― ―
    slices 5 40 34 38 156 156 120
    slice gap user defined user defined user defined user defined ― ― ―
    gap (mm) 0 1 1 1 ― ― ―
    slice orientation coronal transverse coronal sagittal transverse transverse coronal
    fold-over direction RL ― ― ― ― ― ―
    fat shift direction P ― ― ― ― ― ―
Minimum number of packages ― 1 1 1 ― ― ―
Multi-chunk ― ― ― ― no no no
Slice scan order default default default default ― ― ―
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 ― ― ―
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 AX T2 FS MVXD CO T2 FS MVXD SG T2 FS MVXD AX T1 FS mDIXON VANE 3D AX T1 FS mDIXON VANE 3D
POST CONTRAST		 CO T1 FS 3D
POST CONTRAST
Scan type Imaging Imaging Imaging Imaging Imaging Imaging Imaging
Scan mode M2D MS MS MS 3D 3D 3D
technique FFE SE SE SE FFE FFE FFE
Modified SE ― no no no ― ― ―
3D non-selective ― ― ― ― ― ― ―
loop order ― ― ― ― ― ― ―
Contrast enhancement no ― ― ― T1 T1 T1
Acquisition mode cartesian MultiVane MultiVane MultiVane radial radial radial
Fast Imaging mode TFE TSE TSE TSE TFE TFE TFE
3D VIEW ― ― ― ― ― ― ―
shot mode single-shot multishot multishot multishot single-shot single-shot single-shot
TFE factor 85 ― ― ― 96 96 74
TSE factor ― 50 28 28 ― ― ―
startup echoes default 0 0 0 default default default
shot interval shortest ― ― ― shortest shortest shortest
profile order linear linear linear linear ― ― ―
turbo direction ― ― ― ― Z Z Z
DRIVE ― yes no no ― ― ―
ultrashort ― no no no ― ― ―
shift ― ― ― ― ― ― ―
fid reduction ― default default default ― ― ―
Echoes 1 2 1 1 2 2 2
partial echo no no no no no no no
shifted echo no ― ― ― no no no
TE in-phase shortest user defined user defined shortest shortest shortest
(ms) 4.60384226 ― 80 80 ― ― ―
echospacing ― ― ― ― ― ― ―
(ms) ― ― ― ― ― ― ―
flyback ― ― ― ― no no no
Flip angle (deg) 20 90 90 90 10 10 10
Refocusing control ― constant constant constant ― ― ―
angle (deg) ― 80 80 80 ― ― ―
bright fat reduction ― no no no ― ― ―
TR shortest user defined user defined user defined shortest shortest shortest
(ms) ― 2725 1860 1860 ― ― ―
minimum (ms) ― ― ― ― ― ― ―
maximum (ms) ― ― ― ― ― ― ―
Halfscan no no no no yes yes yes
factor ― ― ― ― ― ― ―
factor Y ― ― ― ― ― ― ―
factor Z ― ― ― ― 0.800000012 0.800000012 0.800000012
Water-fat shift maximum user defined minimum minimum user defined user defined user defined
(pixels) ― 1 ― ― 0.449999988 0.449999988 0.449999988
IR delay (ms) ― ― ― ― ― ― ―
dual ― ― ― ― ― ― ―
power ― ― ― ― ― ― ―
RF Shims ― fixed fixed fixed fixed fixed fixed
Shim ― default default default default default default
mDIXON no yes no no yes yes yes
Fat suppression no no SPAIR SPAIR no no no
strength ― ― ― ― ― ― ―
power ― ― 2 2 ― ― ―
inversion delay ― ― auto auto ― ― ―
suppr. level ― ― strong strong ― ― ―
frequency offset ― ― default default ― ― ―
offset (Hz) ― ― ― ― ― ― ―
Grad Rev Fat suppr ― no no no ― ― ―
Water suppression no no no no no no no
TFE prepulse no ― ― ― no no no
slice selection ― ― ― ― ― ― ―
delay ― ― ― ― ― ― ―
(ms) ― ― ― ― ― ― ―
BB pulse ― no no no ― ― ―
MTC no no no no no no no
T2prep no ― ― ― no no no
echo time(ms) ― ― ― ― ― ― ―
refocusing pulses ― ― ― ― ― ― ―
APT ― 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 no no
sequence ― ― ― ― ― ― ―
gradient expert mode ― ― ― ― ― ― ―
gradient overplus ― ― ― ― ― ― ―
direction ― FH ― ― FH FH FH
nr of b-factors ― ― ― ― ― ― ―
b-factor order ― ― ― ― ― ― ―
max b-factor ― ― ― ― ― ― ―
average high b ― ― ― ― ― ― ―
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 AX T2 FS MVXD CO T2 FS MVXD SG T2 FS MVXD AX T1 FS mDIXON VANE 3D AX T1 FS mDIXON VANE 3D
POST CONTRAST		 CO T1 FS 3D
POST CONTRAST
Cardiac synchronization no no no no no no no
Heart rate > 250 bpm no no no no no no no
Respiratory compensation no no trigger trigger no no no
Navigator respiratory comp no trigger and track no no gate gate gate
type ― parallel parallel parallel lead lead lead
Flow compensation yes no no no no no no
Temporal slice spacing ― default default default ― ― ―
Motion smoothing no no no no no no no
fMRI echo stabilisation no ― ― ― no no no
NSA 2 1 1 1 1 1 1
MRE enable no no no no no no no

Dynamic Angio

Scan Description Survey AX T2 FS MVXD CO T2 FS MVXD SG T2 FS MVXD AX T1 FS mDIXON VANE 3D AX T1 FS mDIXON VANE 3D
POST CONTRAST		 CO T1 FS 3D
POST CONTRAST
Angio / Contrast enh. no ― ― ― no no no
Quantitative flow no ― ― ― 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 AX T2 FS MVXD CO T2 FS MVXD SG T2 FS MVXD AX T1 FS mDIXON VANE 3D AX T1 FS mDIXON VANE 3D
POST CONTRAST		 CO T1 FS 3D
POST CONTRAST
Preparation phases ― auto auto auto full full 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 no
Images no ― no no ― ― ―
Autoview image M ― M M ― ― ―
Calculated images no ― no no ― ― ―
Reference tissue Lung Liver Grey matter Grey matter Liver Liver Liver
Recon compression ― No No No Default Default Default
Preset window contrast soft soft soft soft no no no
Reconstruction mode immediate 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 yes yes
Geometry correction default default default default none none none
EPI geometry correction ― ― ― ― ― ― ―
ADC correction ― ― ― ― ― ― ―
Elliptical k-space shutter ― ― ― ― ― ― ―
Free rotatable no no no no no no no