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Table 1 Overview of the defined ROIs

From: Proton density fat fraction of the spinal column: an MRI cadaver study

 

Bone type

Distance from contour

ROI0

Cortical bone

−1 mm to 0 mm

ROI1

PCZ1

0 mm to 1 mm

ROI2

PCZ2

1 mm to 2 mm

ROI3

PCZ3

2 mm to 3 mm

ROI4

Cancellous bone

\(\ge \) 3 mm