Skip to main content

Advertisement

Table 1 MRI protocol parameters

From: Impact of time-of-flight PET on quantification accuracy and lesion detection in simultaneous 18F-choline PET/MRI for prostate cancer

  Axial LAVA-FLEXa Coronal T2w FRFSE-XLb Axial T2w FRFSE-XL
(Pelvic)
Coronal T2w
FRFSE-XL
(Pelvic)
Axial DWIc
EPId (Focus) (Pelvic)
Repetition time, TR (ms) 5618 6326 2600 2900 4000
Echo time, TE (ms) 2.66 118 118 121 67.2
Flip angle, FA (degrees) 12 111 125 125 90
Acquisition matrix 344 × 256 288 × 224 416 × 224 416 × 224 160 × 80
Image size (voxels) 512 × 512 512 × 512 512 × 512 512 × 512 256 × 256
Reconstruction diameter (mm) 460 480 180 200 240
Slice thickness (mm) 3 (3D) 5 4 4 4
Signal averages 0.68 1 4 4
b-values (s/mm2) and signal averages 0 (6 av.)
400 (8 av.)
700 (16 av.)
Diffusion direction ‘All’
Bandwidth (Hz/pixel) 651 355 326 326 1953
Acquisition time (mm:ss) 0:18 0:52 3:39 4:04 5:16
  1. a3D, fast spoiled gradient echo imaging technique that generates water only, fat only, in phase, and out of phase echoes in one single acquisition (GE Healthcare, Waukesha, WI, USA)
  2. bFast relaxation fast spin echo
  3. cDiffusion-weighted imaging
  4. dEcho-planar imaging