Characteristics of the patients studied
| Characteristic | Sentinel node positive (n = 18) | Sentinel node negative (n = 18) |
|---|---|---|
| Stage T2a (Breslow 1.01–2 mm; non-ulcerated) | 4 | 5 |
| Median age at diagnosis (range) | 49 (35–59) | 48 (32–67) |
| Male/ Female | 1/3 | 3/2 |
| Stage T2b (Breslow 1.01–2 mm; ulcerated) | 2 | 2 |
| Median age at diagnosis (range) | 49 (36–61) | 37 (35–38) |
| Male/ Female | 1/1 | 1/1 |
| Stage T3a (Breslow 2.01–4 mm; non-ulcerated) | 4 | 5 |
| Median age at diagnosis (range) | 55 (35–82) | 52 (31–67) |
| Male/Female | 1/3 | 2/3 |
| Stage T3b (Breslow 2.01–4 mm; ulcerated) | 6 | 5 |
| Median age at diagnosis (range) | 56 (40–81) | 54 (30–60) |
| Male/Female | 6/0 | 4/1 |
| Stage T4a (Breslow >4 mm; non-ulcerated) | 2 | 3 |
| Median age at diagnosis (range) | 39 (28–50) | 60 (55–66) |
| Male/Female | 1/1 | 2/1 |