Table 1. Frequency of dermoscopic patterns related to histological ulceration, mitotic rate, sentinel lymph node and distant metastases.
Dermoscopic pattern | Total n = 559 | Ulcerationn = 96 | No ulcerationn = 463 | Mitotic rate≥ 1/mm2n = 121 | Mitotic rate < 1/mm2n = 438 | Positive Sentinelnoden = 45 | Negative Sentinelnode/ not performed n = 514 | Distant metastases n = 29 | No distant metastasesn = 530 |
---|---|---|---|---|---|---|---|---|---|
Network | 245(43.83%) | 26 | 219 | 45 | 200 | 38 | 207 | 7 | 238 |
Regular | 101 | 9 | 92 | 9 | 92 | 5 | 96 | 2 | 99 |
Irregular | 144 | 17 | 127 | 36 | 108 | 33 | 111 | 5 | 139 |
Negative pigmentnetwork | 22(3.94%) | 4 | 18 | 4 | 18 | 3 | 19 | 0 | 22 |
Globules | 268(47.94%) | 26 | 242 | 63 | 205 | 21 | 247 | 11 | 257 |
Regular | 2 | 0 | 2 | 1 | 1 | 0 | 2 | 0 | 2 |
Irregular | 259 | 26 | 233 | 55 | 204 | 20 | 239 | 10 | 249 |
Peripheral | 7 | 0 | 7 | 7 | 0 | 1 | 6 | 1 | 6 |
Streaks | 150(26.83%) | 10 | 140 | 33 | 117 | 12 | 138 | 4 | 146 |
Regular | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Irregular | 119 | 4 | 115 | 23 | 96 | 10 | 109 | 3 | 116 |
Peripheral | 31 | 6 | 25 | 10 | 21 | 2 | 29 | 1 | 30 |
Shiny-white streaks | 124(22.18%) | 31 | 93 | 50 | 74 | 23 | 101 | 16 | 108 |
Blue-withish veil | 202(36.16%) | 38 | 164 | 76 | 126 | 24 | 178 | 21 | 181 |
Milky-red areas | 121(21.65%) | 39 | 82 | 48 | 73 | 24 | 97 | 14 | 107 |
Blotches | 207(37.03%) | 31 | 176 | 52 | 155 | 17 | 190 | 12 | 195 |
Regular | 3 | 0 | 3 | 1 | 2 | 0 | 3 | 0 | 3 |
Irregular | 203 | 30 | 173 | 50 | 153 | 17 | 186 | 12 | 191 |
Peripheral | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 |