Variables | LVI+ (n=42) | LVI− (n=90) | OR | P value |
---|---|---|---|---|
Mass shape | Â | Â | 0.6 (0.3-1.3) | 0.169 |
 Oval or round | 17 (40.5) | 48 (53.3) |  |  |
 Irregular | 25 (59.5) | 42 (46.7) |  |  |
Mass margin | Â | Â | 0.6 (0.3-0.9) | 0.045 |
 Circumscribed | 15 (35.7) | 46 (51.1) |  |  |
 Irregular | 14 (33.3) | 32 (35.6) |  |  |
 Spiculated | 13 (31.0) | 12 (13.3) |  |  |
Mass internal enhancement | Â | Â | 0.5 (0.3-0.8) | 0.007 |
 Homogeneous | 6 (14.3) | 37 (41.1) |  |  |
 Heterogeneous | 16 (38.1) | 28 (31.1) |  |  |
 Rim | 20 (47.6) | 25 (27.8) |  |  |
Kinetic analysis | Â | Â | 0.3 (0.1-0.9) | 0.022 |
 Progressive pattern | 6 (14.3) | 30 (33.3) |  |  |
 Washout pattern | 36 (85.7) | 60 (66.7) |  |  |
Intratumoral T2 high signal | Â | Â | 2.8 (0.9-8.3) | 0.077a |
 Positive | 8 (19.0) | 7 (7.8) |  |  |
 Negative | 34 (81.0) | 83 (92.2) |  |  |
Peritumoral edema | Â | Â | 1.6 (0.6-3.8) | 0.329 |
 Positive | 10 (23.8) | 15 (16.7) |  |  |
 Negative | 32 (76.2) | 76 (83.3) |  |  |
DWI rim sign | Â | Â | 2.5 (1.2-5.4) | 0.017 |
 Positive | 28 (66.7) | 40 (44.4) |  |  |
 Negative | 14 (33.3) | 50 (55.6) |  |  |