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Table 1 Parameters of sequences used in MRI scans of anal fistulas

From: Role of endoanal ultrasound in the assessment of perianal fistula in correlation with MRI fistulography

Parameter T2WI T2WI STIR STIR T1WI T2WI T1 post contrast T1 post contrast
Scanning plane Axial Sagittal Axial Coronal Axial Coronal Axial Coronal
TR/TE (msec) 3600/96 3600/98 3600/96 4000/62 3600/96 4000/62 3.50/1.41 3.50/1.41
FOV (mm) 450 450 450 450 450 450 350 350
Slice thickness (mm) 4 4 4 4 4 4 1.0 1.0
Slice spacing (mm) 2 2 2 2 2 2 0.48 0.48
Matrix 196 × 256 196 × 256 196 × 256 196 × 256 196 × 256 196 × 256 512 × 512 512 × 512