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

Egyptian Journal of Radiology and Nuclear Medicine

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

Parameters	Sequence		Add-on sequences
Parameters	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

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