Table 1:

Imaging parameters for the CS and conventional 3D-FLAIRa

Parameters
CS 3D-FLAIR
    TE/TI/TR (ms)140/2064/8000
    ETL220
    FOV (frequency × phase) (mm)260 × 221
    Slice thickness (mm)1.2 mm
    Matrix (frequency × phase)288 × 256
    NEX1
    Bandwidth (Hz/pixel)347.2
    ARC factor (phase × slice)2.0 × 2.0
CS 3D-FLAIR/conventional 3D-FLAIR
    CS factor1.3NA
    Scan time (min:sec)3:50 (−27%)5:15
  • Note:—ETL indicates echo-train length; ARC, auto-calibrating reconstruction for Cartesian imaging (acceleration using parallel imaging technique); NA, not applicable.

  • a CS allowed a 27% reduction in scan time of the 3D-FLAIR sequence.