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Table 2 Relationship between morphological features, kinetic patterns of enhancement and the count of intratumor microvessel density (MVD)

From: Relationship between morphological features and kinetic patterns of enhancement of the dynamic breast magnetic resonance imaging and clinico-pathological and biological factors in invasive breast cancer

RM features

N°

MVD

Mean (range)

p

 

64

  

Morphological features

   

Margin

  

0.038

Well defined

16

21.8 (4.9-54.4)

 

Irregular/Spiculated

48

32.9 (5.2-140.6)

 

Enhancement internal

  

n.s.

Homogeneous

12

19.5 (4.9-63.2)

 

Heterogeneous/Rim

52

32.6 (5.2-140.6)

 

Kinetic features

68

  

Peak of maximum enhancement

  

0.012

< 2'

17

20.8 (8-54.4)

 

≥ 2'

51

33.6 (4.9-140.6)

 

% of maximun enhancement < 2'

  

n.s.

≤ 150%

39

31.2 (4.9-140.6)

 

> 150%

29

29.3 (5.2-96.5)

 

Curve type

  

n.s.

I

5

36.5 (16.3-60.5)

 

II

24

29.6 (4.9-96.5)

 

III

39

30.1 (8-140.6)

 
  1. * Four cases showed a non-nodular enhancement, so the morphological features were analyzed in only 64 cases, and the kinetic features in all 68 cases.
  2. Abbreviations: MVD, microvessel density; n.s, not significant.
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