Research Article

A Predictive Model for Tumor Invasion of the Inferior Vena Cava Wall Using Multimodal Imaging in Patients with Renal Cell Carcinoma and Inferior Vena Cava Tumor Thrombus

Table 1

Sequence parameters for IVCTT with abdominal array coils at 3.0-T superconducting imaging system.

Imaging planeFreq FOVaPhase-FOVTR/TEb (ms)Slice thickness/spacing (mm)Band width (kHz)Flip angle (°)NEXcTime

T2 FS RTr propeller dAxial369000/826.0/1.062.52 min
T2 SSFSEeSagittal400.71028/706.0/1.062.518 s BHf
Coronal400.91216/706.0/1.062.522 s
LAVA g-FlexAxial400.84.0/1.85.0142.8620 s BH
LAVA-Flex 3Axial360.84.0/1.85.0142.86101.01 min
LAVA-Flex +CSagittal3514.4/1.93.0142.86151.023 s BH
Coronal24 s BH
DWI hAxial3514800/626.0/1.02503 min, 54 s

aFOV: field-of-view; bTR: repetition time TE: echo time; cNEX: number of excitations; dFS: fat suppression; RTr: Respiratory trigger; eSSFSE: Single Shot Fast Spine Echo; fBH: breath-hold; gLAVA: Liver Acquisition with Volume Acceleration; hDWI: diffusion-weighted imaging.