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Table 1 Correlation between the BI-RADS classification (Breast Imaging Reporting and Data System) and the histology for the corresponding imaging method

From: Measurement of tumour size with mammography, sonography and magnetic resonance imaging as compared to histological tumour size in primary breast cancer

  BI-RADS classification Isolated DCIS IDC-DCIS Isolated-IDC Isolated ILC Other tumours Total
Diagnostic imaging   N (%) N (%) N (%) N (%) N (%) N (%)
Sonography 0 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  1 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  2 0 (0%) 0 (0%) 0 (%) 0 (0%) 1 (11.1%) 1 (0.8%)
  3 0 (0%) 0 (0%) 3 (7.3%) 0 (0%) 0 (0%) 3 (2.5%)
  4 10 (66.7%) 17 (44.8%) 10 (24.4%) 8 (44.4%) 5 (55.6%) 50 (41.3%)
  5 5 (33.3%) 20 (52.6%) 28 (68.3%) 10 (55.6%) 3 (33.3%) 66 (54.5%)
  6 0 (0%) 1 (2.6%) 0 (0%) 0 (0%) 0 (0%) 1 (0.8%)
Mammography 0 0 (0%) 1 (2.6%) 0 (0%) 1 (5.6%) 0 (0%) 2 (1.7%)
  1 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  2 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  3 1 (6.7%) 4 (10.5%) 3 (7.3%) 0 (0%) 1 (11.1%) 9 (7.4%)
  4 1 (6.7%) 12 (31.6%) 17 (41.5%) 11 (61.1%) 5 (55.6%) 46 (38.0%)
  5 13 (86.6%) 19 (50%) 17 (41.5) 6 (33.3%) 3 (33.3%) 58 (47.9%)
  6 0 (0%) 2 (5.3%) 4 (9.7%) 0 (0%) 0 (0%) 6 (5.0%)
MRI 0 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  1 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  2 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  3 0 (0%) 0 (0%) 0 (0%) 0 (%) 0 (0%) 0 (0%)
  4 0 (0%) 2 (5.3%) 4 (9.8%) 0 (0%) 0 (0%) 7 (5.8%)
  5 9 (60%) 22 (57.9%) 26 (63.4%) 8 (44.4%) 3 (33.3%) 68 (56.2%)
  6 6 (40%) 14 (36.8%) 11 (26.8%) 9 (50%) 6 (66.7%) 46 (38.0%)
  1. DCIS Ductal carcinoma in situ, IDC Invasive ductal carcinoma, ILC Invasive lobular carcinoma.