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Table 2 BI-RADS categories in mammography and ultrasonography

From: Limitations of mammography in the diagnosis of breast diseases compared with ultrasonography: a single-center retrospective analysis of 274 cases

BI-RADS

MG

US

0

38 (13.9%)

0 (0%)

1

30 (10.9%)

4 (1.5%)

2

7 (2.6%)

32 (11.7%)

3

43 (15.7%)

67 (24.5%)

4

113 (41.2%)

150 (54.7%)

5

43 (15.7%)

21 (7.7%)

Total

274 (100%)

274 (100%)

  1. BI-RADS, Breast Imaging Reporting and Data System; MG, mammography; US, ultrasonography.