Research Article
Indeterminate (B3) Breast Lesions and the Ongoing Role of Diagnostic Open Biopsy
Table 2
Patient characteristics/factors predictive of malignancy.
| Factors | | Benign | Malignant |
| Age | ≤50 | 21 | 21 | 0 | ≥51 | 131 | 130 | 1 | Symptomatic | Positive | 16 | 16 | 0 | Negative | 136 | 135 | 1 | Family history | Positive | 42 | 42 | 0 | Negative | 110 | 109 | 1 | Imaging size | ≤5 mm | 88 | 87 | 1 | 5-10 mm | 30 | 30 | 0 | ≥11 | 34 | 34 | 0 | CNB modality | Ultrasound 14 G | 60 | 60 | 0 | Stereotactic 9 G | 92 | 91 | 1 | Mammogram characteristics | Mass | 71 | 71 | 0 | Distortion | 14 | 14 | 0 | Microcalcification | 67 | 66 | 1 | Past history of breast cancer | Positive | 2 | 2 | 0 | Negative | 150 | 149 | 1 |
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