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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 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.