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Table 4 Correlation between BIRADS categories at imaging methods (mammography, ultrasound and MRI) and tumor histologic types

From: Breast cancer diagnosed before the 40 years: imaging findings and correlation with histology and molecular subtype

  Histologic types  
  NST Invasive carcinoma CDIS Special types invasive carcinomas Total
BIRADS Categorya Mammography
 1 e 2 8 (12%) 0 1 (7%) 9 (9%)
 0 e 3 13 (19%) 0 6 (40%) 19 (21%)
 4 26 (38%) 9 (100%) 6 (40%) 41 (45%)
 5 21 (31%) 0 2 (13%) 23 (25%)
Ultrasound
 1 + 2 1 (2%) 3 (60%) 1 (6%) 5 (6%)
 3 10 (17%) 0 3 (18%) 13 (16%)
 4 48 (81%) 2 (40%) 13 (76%) 63 (78%)
MRI
 2 0 2 (50%) 0 2 (5%)
 4 18 (56%) 2 (50%) 2 (40%) 22 (54%)
 5 14 (44%) 0 3 (60%) 17 (41%)
  1. aCategory 6 lesions were excluded from analysis
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