Table 3. Comparison of metastases in sentinel nodes (SNs) and in non-SNs detected by conventional histology and by reverse transcriptase–polymerase chain reaction (RT–PCR) and Southern blot assay.
|
Conventional histology |
RT–PCR and Southern blot assay |
||||
|---|---|---|---|---|---|
| SN metastasis |
Non-SN metastasis |
SN metastasis |
Non-SN metastasis |
||
| Negative | Positive | Negative | Positive | ||
| Negative | 30 | 0 | Negative | 29 | 0 |
| Positive | 3 | 2a | Positive | 3 | 3a |
a
All of the metastatic non-SNs were located in the same lymphatic basin as the metastatic SNs.