Table 1.

Main imaging sequence parameters for pre-treatment CT and pre-treatment and treatment MR scans

CT
CT scanner	iCT 256, Brilliance Big Bore or Ingenuity CT, Philips Healthcare
In-plane reconstructed pixel size (range)	[0.67–0.98] × [0.67–0.98] mm2
Slice spacing	3 mm
Tube voltage	120 kV
Exposure	[69–253] mAs
MR
MR scanner	Achieva, Philips Healthcare
Type	Radiofrequency-spoiled T1-weighted multi-echo gradient-echo
Scan mode	3D
In-plane pixel size (range)	[0.92–1] × [0.92–1] mm2
Partition thickness	2 mm
TE1/TE2/TR	2.1/4.2/7 ms
Flip angle	10°
Number of slices	150
Acquisition duration	≈ 3 min

Values between square brackets indicate a range

TE echo time, TR repetition time