Sentinel lymph node biopsy quality indicator results
| Quality indicator | Proposed target rates (21) | No. (%) of patients |
|---|---|---|
| Pathologic evaluation protocol | > 90% | 300 (100) |
| Pathologic reporting by AJCC guidelines | > 90% | 300 (100) |
| Protocol for injection of radiocolloid | > 90% | 300 (100) |
| Proper identification of SLN | > 90% | 300 (100) |
| SLNB performance in eligible patients | > 80% | 189/242 (78.1) |
| SLNB concurrent with lumpectomy/mastectomy | > 80% | 290/300 (96.7) |
| Completion ALND for positive SLNB | > 75% | 49/61 (80.3) |
| SLNB performance in ineligible patients | < 5% | 0 (0) |
| Axillary node positivity rate | 25%–34% | 61/300 (20.3) |
| Number of nodes removed | 60%–70% | 236/300 (78.6) |
| Axillary recurrence rate at 5 years | < 3% | 1/42 (2.4) |
AJCC = American Joint Committee on Cancer; ALND = axillary lymph node dissection; SLN = sentinel lymph node; SLND = sentinel lymph node dissection.