Table I.

MRI scanning parameters

T1 3-dimensional (3D) scan parameters for Siemens scanners – example for Siemens Syra 3T scanners, pulse sequence gradient echo, TR/TE 50/9.2 milliseconds, flip angle 30.0 degrees, acquisition matrix 138 × 192 × 120, scan resolution 1 × 1 × 1 mm, number of averages 1, scan orientation sagittal.

T2 scan parameters for Siemens scanner, pulse sequence 3D spin echo, TR/TE 2000/336 milliseconds, flip angle 120 degrees, acquisition matrix 168 × 192 × 125, scan resolution 1.04 × .04 × 1 mm, number averages 1, scan orientation sagittal.

T1 3D scan parameters for Philips scanners – example for Philips 3T Acheiva Scanners, pulse sequence gradient echo, TR/TE 50/9.21 milliseconds, flip angle 30.0 degrees, acquisition matrix, 14 4 × 144 × 190, scan resolution 0.97 × 0.97 × 1.0, averages 1, scan orientation sagittal.

T2 3D scan parameters for Philips scanners × example for Philips 3T Achieva Scanners, pulse sequence, 3D spin echo, TR/TE 2000/334 milliseconds, flip angle 90.0, acquisition matrix 288 × 288 × 130, scan resolution 0.7 × 0.7 × 1.6 mm, averages 1, scan orientation axial.

(Full details can be obtained from the authors if interested).

TE, echo time; TR, repetition time.