Table 1.
Detailed overview of the TMA characteristics.
| TMA Characteristics | n | % |
|---|---|---|
| Localisation of the nevus | 77 | 21.2 |
| Trunk | 62 | 80.5 |
| Extremities | 15 | 19.5 |
| Localisation of the primary melanoma | 108 | 29.8 |
| Trunk | 78 | 72.2 |
| Extremities | 29 | 26.9 |
| Unknown | 1 | 0.9 |
| Localisation of the metastases | 177 | 48.9 |
| Locoregional metastases | 157 | 88.7 |
| Subcutaneous/Cutaneous | 75 | 47.8 |
| Lymph nodes | 82 | 52.2 |
| Distant metastases | 17 | 9.6 |
| Unknown | 3 | 1.7 |
| Histological subtype of the primary melanoma | 108 | 29.8 |
| SSM | 25 | 23.1 |
| NMM | 15 | 13.9 |
| LMM | 6 | 5.6 |
| ALM | 8 | 7.4 |
| Other | 23 | 21.3 |
| Unknown | 31 | 28.7 |
| Breslow thickness of melanoma | 108 | 29.8 |
| ≤1 mm | 13 | 12.0 |
| 1–2 mm | 18 | 16.7 |
| 2–4 mm | 40 | 37.0 |
| >4 mm | 10 | 9.3 |
| Unknown | 27 | 25.0 |
| Ulceration | 108 | 29.8 |
| Yes | 34 | 31.5 |
| No | 43 | 39.8 |
| Unknown | 31 | 28.7 |
Abbreviations: TMA: tissue microarray; n: number of samples; SSM: superficial spreading melanoma; NMM: nodular melanoma; LMM: lentigo maligna melanoma; ALM: acro-lentiginous melanoma.