| Aspect: | |
| • ‘Field cells’ detection | [3,4] |
| • Local lymphatic invasion | [5–7] |
| • Sentinel lymph node | [8] |
| • Sentinel lymph node with reverse transcription PCR | [9–12] |
| • Microarray analysis | [13] |
| • Immune environment in the sentinel lymph node | [17–20] |
| • Circulating melanoma cells | [21–29] |
| • Proteomic analysis | [35] |
| • Imaging studies | [36–41] |