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Table 1 Characteristics of study lesions

From: Dual-energy contrast-enhanced digital mammography: initial clinical results of a multireader, multicase study

  Benign (n= 64) Malignant (n= 84) Total (n= 148)
Palpable    
   Yes 14 (23) 28 (34) 42 (29)
   No 48 (77) 55 (66) 103 (71)
Laterality    
   Right 41 (64) 48 (57) 89 (60)
   Left 23 (36) 36 (43) 59 (40)
Type of findings on MX    
   Mass 27 (42) 46 (55) 73 (49)
   Asymmetry 9 (14) 4 (5) 13 (9)
   Distortion 3 (5) 3 (4) 6 (4)
   Intramammary node 1 (2) 0 (0) 1 (1)
   Mass ± calcs 6 (9) 20 (24) 26 (18)
   Asymmetry ± calcs 1 (2) 0 (0) 1 (1)
   Calcs 3 (5) 8 (10) 11 (7)
   Unknown 14 (22) 3 (4) 17 (11)
Procedure    
   Surgery 24 (38) 58 (69) 82 (55)
   Core biopsy 19 (30) 23 (27) 42 (28)
   FNAB 8 (12) 3 (4) 11 (7)
   Follow-up 13 (20) 0 (0) 13 (9)
Histological grade    
   G1   26 (31)  
   G2   33 (39)  
   G3   12 (14)  
   Unknown   13 (15)  
US images available    
   Yes 51 (80) 73 (87) 124 (84)
   No 13 (20) 11 (13) 24 (16)
  1. Values are presented as number and percentage unless otherwise noted. calcs, calcifications; FNAB, fine-needle aspiration biopsy; MX, mammography; US, ultrasonography.
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