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 2
Univariable associations of multimodal image parameters predicting vascular wall invasion.
Features
IVC invasion
Yes ()
No ()
Median (IQR)
Age,
60.0 (52.3, 63.8)
61.0 (53.3, 66.0)
-0.485
0.627
AP diameter renal vein
30.1 (25.6, 34.4)
24.1 (21.3, 28.9)
-0.102
0.271
Maximum IVC AP diameter, mm
34.1 (29.2, 40.4)
26.4 (22.1, 32.0)
-3.824
<0.001
IVC AP diameter at the RVo, mm
30.1 (25.6, 34.4)
24.1 (22.3, 28.9)
-3.887
<0.001
Contralateral renal vein AP diameter at the RVo, mm
10.4 (8.3, 12.1)
9.1 (7.9,10.9)
-1.677
0.930
Maximum coronal IVC diameter, mm
2.117
<0.001
Coronal IVC diameter at the RVo, mm
0.830
<0.001
Maximum AP diameter of renal vein
0293
0.867
(%)
Sex
3.958
0.047
Male
30 (75.0)
25 (54.3)
Female
10 (25.0)
21 (45.7)
Side of tumor
0.006
1.000
Right
29 (72.5)
33 (71.7)
Left
11 (27.5)
13 (28.3)
Tumor thrombus level
10.471
0.015
Mayo I
3 (7.5)
14 (30.4)
Mayo II
16 (40.0)
20 (43.6)
Mayo III
14 (35.0)
6 (13)
Mayo IV
7 (17.5)
6 (13)
Pathological type
2.036
0.361
Clear cell renal cell carcinoma
28 (70.0)
38 (82.6)
Papillary renal cell carcinoma
7 (17.5)
4 (8.7)
Other
5 (12.5)
4 (8.7)
Vascular wall invasion by pathological examination
