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Table 1 MRI protocol for assessment of patient with suspected placenta accreta spectrum disease

From: Placenta accreta scoring system (PASS)—assessment of a simplified clinico-radiological scoring system for antenatal diagnosis of placenta accreta

Parameters Sequence Add-on sequences
T2 HASTE
Axial, coronal, sagittal
TRUFI FS
Axial, coronal, sagittal
T1 dual echo
Axial
GRE sagittal DWI axial
TE (ms) 91 1.6 4.7 23 101
TR (ms) 1350 3.9 70 1290 7000
Slice thickness (mm) 4 0.4 4.5 5 0.6
Interslice gap 0.4 4 0.45 0.5 6
FOV 270 380 280 280 320
Matrix 256 × 256 256 × 100 256 192 × 75 192 × 100
Flip angle   60 70 30  
  1. DWI diffusion-weighted imaging, FOV field of view, FS fat suppressed, GRE gradient recall echo, HASTE half Fourier-acquired turbo spin echo, TE time to echo, TR repetition time, TRUFI true fast imaging with steady state precession