Table I.
PDE given in mm for the projection of the positions of 3D fiducial markers to 2D kV x-ray and MV images for CT, CBCT with small (CBCTs) and big (CBCTb) FOV, and MR T1, T2, and PD weighted images.
CT (mm) |
CBCTs (mm) |
CBCTb (mm) |
MR T1 (mm) |
MR T2 (mm) |
MR PD (mm) |
|
---|---|---|---|---|---|---|
kV AP-kV Lat | 0.51 | 0.66 | 0.67 | 0.76 | 1.79 | 1.58 |
MV AP-MV Lat | 1.42 | 1.43 | 1.61 | 1.33 | 1.51 | 2.03 |