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Table 2 MRI features and lymphovascular invasion status in node-negative breast cancer patients

From: Dynamic contrast enhanced-MRI and diffusion-weighted image as predictors of lymphovascular invasion in node-negative invasive breast cancer

Variables

LVI+ (n=42)

LVI− (n=90)

OR

P value

Mass shape

  

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

  

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

  

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

  

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

  

2.8 (0.9-8.3)

0.077a

 Positive

8 (19.0)

7 (7.8)

  

 Negative

34 (81.0)

83 (92.2)

  

Peritumoral edema

  

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

  

2.5 (1.2-5.4)

0.017

 Positive

28 (66.7)

40 (44.4)

  

 Negative

14 (33.3)

50 (55.6)

  
  1. DWI Diffusion weighted image
  2. *Data are numbers of patients, with percentages in parentheses unless otherwise indicated
  3. aFisher’s exact test