Table 2.
Sampling methods and their respective cancer yields for the lesions evaluated.
| Sampling method | All lesions n (%) | Malignant n (%) | Nonmalignant n (%) | Cancer yield* (%) |
|---|---|---|---|---|
| Core needle biopsy | 241 (57.5) | 117 (69.9) | 124 (49.4) | 48.5 |
| Ultrasound-guided ROLL excision | 76 (18.1) | 18 (10.7) | 58 (23.1) | 23.7 |
| Mammography-guided vacuum-assisted biopsy | 52 (12.4) | 30 (17.9) | 22 (8.8) | 57. 7 |
| Ultrasound-guided fine-needle aspiration and follow-up | 36 (8.6) | 1 (0.6) | 35 (13.9) | 2.8 |
| MRI-guided radioguided occult lesion localization excision | 7 (1.7) | 0 (0.0) | 7 (2.8) | 0.0 |
| MRI-guided vacuum-assisted biopsy | 6 (1.4) | 1 (0.6) | 5 (2.0) | 16.7 |
| Surgical excision† | 1 (0.2) | 1 (0.6) | 0 (0.0) | 100.0 |
| Total | 419 | 168 | 251 | 40.1 |
*
Cancer yield = number of malignancies per method.
†
No previous localization method or biopsy mentioned in the electronic report.
ROLL, radioguided occult lesion localization.