Histological characteristics of the 64 malignant melanomas
| Characteristic | N | % |
|---|---|---|
| Histotype | ||
| Superficial spreading | 60 | 93.8 |
| Nodular | 1 | 1.5 |
| Lentigo maligna | 3 | 4.7 |
| Clark level | ||
| I | 9 | 14.1 |
| II | 37 | 57.8 |
| III | 14 | 21.9 |
| IV | 4 | 6.2 |
| pT | ||
| pTis | 9 | 14.1 |
| pT1 (⩽1 mm) | 41 | 64.1 |
| pT2 (1.01–2.0 mm) | 9 | 14.1 |
| pT3 (2.01–4.0 mm) | 5 | 7.7 |
| Total | 64 | 100.0 |