Table 1 Relationship between intraoperative frozen section (FS) of sentinel lymph nodes (SLN) and formal final histological analysis available after surgery.
Relationship between sentinel nodal analysis by Frozen Section and Conventional Histology | ||||
|---|---|---|---|---|
| Â | Â | Paraffin section | ||
Crude data | Status | Positive | Negative | Total |
Frozen Section | Positive | 23 | 0 | 23 |
| Â | Negative | 7 | 64 | 71 |
| Â | Total | 30 | 64 | 94 |
Utility of intraoperative FS | Overall | T-stage | ||
Parameter | % | T1 | T2 | T3 |
Sensitivity | 76 | 91% | 69% | 66% |
Specificity | 100% | 100% | 100% | 100% |
Positive Predictive Value | 100% | 100% | 100% | 100% |
Negative predictive value | 90% | 97% | 86% | 75% |