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Pediatric Perirectal Fistula 3T

GE Healthcare – MR Gadopiclenol (VUEWAY®) Protocols

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Instructions And Patient Preparation

Anatomical Region
Perirectal Fistula
Field Strength
3.0T
Coil
See the Coil Configuration row in the first parameters table below (varies by sequence).
Position & Landmark
Feet first, supine. Landmark: center of the coil in use (typically central to the ROI).
Contrast
Weight-based gadolinium contrast per your institution’s protocol, supervising radiologist, and the agent’s FDA prescribing information. Postcontrast sequences are marked +C.

Patient Position

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Coil Configuration GE40chGEMPA, GE16chTDIAA GE40chGEMPA, GE16chTDIAA GE40chGEMPA, GE16chTDIAA GE40chGEMPA, GE16chTDIAA GE40chGEMPA, GE16chTDIAA GE16chAirAA, GE40chGEMPA GE40chGEMPA, GE16chTDIAA GE40chGEMPA, GE16chTDIAA GE40chGEMPA, GE16chTDIAA GE40chGEMPA, GE16chTDIAA
Plane 3-PLANE SAGITTAL OBLIQUE OBLIQUE OBLIQUE AXIAL OBLIQUE OBLIQUE OBLIQUE OBLIQUE

Imaging Parameters

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
    View Image View Image View Image View Image View Image View Image View Image View Image View Image
Imaging Mode 2D 2D 2D 2D 2D 2D 3D 3D 3D 3D
Imaging Options Seq, EDR, Fast, SS, ARC FC, TRF, Fast, FR FC, TRF, Fast, FR FC, TRF, Fast, FR FC, EDR, TRF, Fast, FR, ARC EDR, RT, Asset EDR, Fast, ZIP512, Flex EDR, Fast, ZIP512, Flex EDR, Fast, ZIP512, Flex EDR, Fast, ZIP512, ARC, Flex
Pulse Sequence Spin Echo FSE-XL FSE-XL FSE-XL FSE-XL DW EPI LAVA LAVA LAVA LAVA
ARC Phase 2 ― ― ― 1.5 ― ― ― ― 1.5
Phase ― ― ― ― ― 2 ― ― ― ―
ARC Slice ― ― ― ― ― ― ― ― ― 1

Image Recon

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Recon DL Strength Off Medium Medium Medium Medium Medium ― ― Off Off
Intensity Correction NONE PURE PURE PURE PURE PURE PURE PURE PURE PURE
Intensity Filter None None None None None None None None None None
Save Original Off On On On On Off On On On On

Scan Range

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
FOV 46 26 26 26 26 28 30 30 26 30
Slice Thickness 8 2.4 2.4 2.4 2.4 4 1 1 1.3 0.5
Slice Spacing 0 0.2 0.2 0.2 0.2 0.5 ― ― ― ―
Overlap Locations 0 0 0 0 0 0 0 0 0 0
No Phase Wrap 1 1 1 1.5 1.5 ― 1 1 1.5 1
Number of Slices ― 30 ― ― ― 20 1 1 ― 1
Slices per Slab ― ― ― ― ― ― 152 152 156 400
Slice Resolution(%) ― ― ― ― ― ― 50 50 50 50
No Slab Wrap ― ― ― ― ― ― ― ― 1.05 1.05

Acquisition Timing

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Acq Voxel Size 1.4 X 2.9 X 8.0 0.7 X 1.0 X 2.4 0.7 X 1.0 X 2.4 0.7 X 1.0 X 2.4 0.7 X 1.0 X 2.4 2.9 X 2.9 X 4.0 1.2 X 1.3 X 2.0 1.2 X 1.3 X 2.0 1.1 X 1.2 X 2.6 1.0 X 1.0 X 1.0
Freq 320 384 384 384 384 96 256 256 232 300
Phase 160 256 256 256 256 96 224 224 224 300
Freq DIR Unswap S/I Unswap Unswap Unswap R/L Unswap Unswap Unswap Unswap
# of Acq. Before Pause 0 0 ― ― ― ― ― ― ― ―
Phase FOV 1 0.9 0.9 1 1 1 1 1 1 1
Auto Shim Auto Auto Auto Auto Auto Auto Auto Auto Auto Auto
Phase Correct Off Off Off Off Off On Off Off Off Off
RF Drive Mode Quadrature (CP) Optimized Optimized Optimized Optimized Quadrature Preset Preset Preset Preset
Excitation Mode Selective Selective Selective Selective Selective Selective Selective Selective Selective Selective
NEX ― 2 2 1 1 ― 1 1 1 1
Flow Comp Direction ― Freq Freq Freq Freq ― ― ― ― ―
Fat Shift DIR ― Normal (S) Normal Normal Normal ― ― ― ― ―

Scan Timing

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
TE 70 103 103 103 103 Minimum Min Full Min Full Minimum Minimum
Number of Echoes 1 1 1 1 1 1 2 2 2 2
TR Minimum 4050 4050 4050 4050 ― ― ― ― ―
Receiver Bandwidth 83.33 62.5 62.5 62.5 62.5 ― 142.86 142.86 166.67 142.86
Flip Angle ― 111 111 111 111 ― 15 15 15 15
Echo Train Length ― 23 23 23 23 ― ― ― ― ―
Number of Shots ― ― ― ― ― 1 ― ― ― ―

Contrast

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Contrast Yes/No No No No No No No No No +C No

Others

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Anatomical Region Rectum Rectum Rectum Rectum Rectum Abdomen Rectum Rectum Rectum Rectum
3D Geometry Correction ― ― ― ― ― Off On On On On

Saturation

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
SAT Location A ― Default Default Default Default ― ― ― ― ―
Fat/Water Saturation ― Fat Fat Fat ― Fat ― ― ― ―
SAT Location P ― ― ― ― ― P70.0 ― ― ― ―

Tracker

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Tracker Length ― ― 200 200 200 ― ― ― ― ―
Tracker Thickness ― ― 20 20 20 ― ― ― ― ―

Diffusion

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Multi b-values ― ― ― ― ― 50.0;400.0;700.0; ― ― ― ―
Optimized TE ― ― ― ― ― On ― ― ― ―
Multi NEX Values ― ― ― ― ― 2.0;4.0;6.0; ― ― ― ―
Diffusion Directions ― ― ― ― ― 3in1 ― ― ― ―
Number of Diffusion Directions ― ― ― ― ― 1 ― ― ― ―
Number of T2 Images ― ― ― ― ― 0 ― ― ― ―
Dual Spin Echo ― ― ― ― ― Off ― ― ― ―
# Synthetic b-values ― ― ― ― ― 0 ― ― ― ―
Recon All Images ― ― ― ― ― On ― ― ― ―
Real Time Field Adjustment ― ― ― ― ― On ― ― ― ―

Gating / Trigger

Scan Description 3pl Loc Sag T2 Fat Obl Ax T2 Fat Obl Cor T2 Fat Obl Cor T2 Ax DWI Pel b50, 400, 700 Obl Ax T1 Pre Obl Ax T1 70sec Obl Cor T1 Post Ax T1 Post 1mm
Resp. Trigger Point ― ― ― ― ― 30 ― ― ― ―
Resp. Trigger Window ― ― ― ― ― 30 ― ― ― ―
Resp. Inter-Seq Delay ― ― ― ― ― Minimum ― ― ― ―
Auto Trigger Type ― ― ― ― ― ― Off Off ― ―