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Table 5 Shows relation between MRI finding and pathology

From: MRI for assessment of pathologic nipple discharge: is it mandatory?

 Malignant (n = 21)Benign (n = 72)p value
No (%)No (%)
Non-mass enhancement21 (100)12 (16.7)< 0.001**
 Focal0(0)9 (75) 
 Linear3 (14.3)3 (25) 
 Regional6 (28.6)0 (0) 
 Segmental9 (42.8)0 (0) 
 Diffuse3 (14.3)0 (0) 
Enhanced focus0 (0)3 (4.2)1.0
Enhanced mass9 (42.9)15 (20.8)0.335
 Shape of mass  0.237
  Rounded0 (0)3 (20) 
  Oval0 (0)6 (40) 
  Irregular9 (100)6 (40) 
 Margin of mass  0.196
  Circumscribed0 (0)9 (60) 
  Non circumscribed9 (100)6 (40) 
No abnormal enhancement0 (0)42 (58.3)0.007*
STIR signal  < 0.001**
 No abnormal findings0 (0)3 (4.2) 
 Low signal mass9 (42.9)6 (8.3) 
 Low signal ducts0 (0)18 (25) 
 High signal mass0 (0)12 (16.7) 
 High signal ducts0 (0)33 (45.8) 
 High signal region12 (57.1)0 (0) 
Size of lesion   
 Median width (range)6.5 (1.5–9)3.7 (0.75–6.7)0.275
 Median Length (range)3 (1.5-8.5)2.6 (0.70-3.9)0.827