Table 1 Summary of imaging techniques for ultrasound, MRI and CT

3–5 MHz Curvilinear Probe

Transverse and longitudinal imaging, to include supine and left lateral decubitus positions

Doppler evaluation of the portal vein

Spleen measurement

Sequences

Cor T2-w Single Shot Fast Spin Echo +/−Fat Saturation (FS)

Ax T2-w Fast Spin Echo FS

Ax Diffusion Weighted Imaging

Ax dual gradient echo

Ax 3D Spoiled Gradient Echo FS pre and post dynamic contrast enhancement (and coronal reconstruction in venous phase)

Ax 2D Spoiled Gradient Echo FS post contrast delayed phase

10 ml Gadavist

Subtraction imaging provided

Non contrast phase

IV Contrast: Iohexol 100 mL

Bolus tracking for arterial phase (average 30 s)

Venous phase 65 s

Delayed phase 240 s

Single breath for each phase

Injection rate min 4 ml/s

Slice thickness 3 mm no overlap

Coronal reconstructions in venous phases provided.

Subtraction imaging optional