Table 1.
Characteristics of First Primary Melanoma Cases in the 1973–2004 SEER Registries, by Race
| White | Black | Other | Total | |
|---|---|---|---|---|
| n=148,833 No. (%) |
n=789 No. (%) |
n=1,532 No. (%) |
n=151,154 No. (%) |
|
| Mean age (SD)at diagnosisa | 55.6 (27.8) | 57.8 (18.9) | 55.0 (30.6) | 55.6 (27.8) |
| Sexb | ||||
| Male | 78,757 (52.9) | 330 (41.8) | 748 (48.8) | 79,835 (52.8) |
| Female | 70,076 (47.1) | 459 (58.2) | 784 (51.2) | 71,319 (47.2) |
| Stageb | ||||
| In situ | 44,149 (29.7) | 174 (22.1) | 463 (30.2) | 44,786 (29.6) |
| Local | 83,080 (55.8) | 339 (43.0) | 683 (44.6) | 84,102 (55.6) |
| Regional | 11,662 (7.8) | 140 (17.7) | 203 (13.3) | 12,005(7.9) |
| Distant | 4,203 (2.8) | 82 (10.4) | 106 (6.9) | 4,391 (2.9) |
| Unknown | 5,739 (3.9) | 54 (6.8) | 77 (5.0) | 5,870 (3.9) |
| Anatomic siteb | ||||
| Trunk | 46,503 (31.3) | 113 (14.3) | 360 (23.5) | 46,976 (31.1) |
| Upper extremity | 34,345 (23.1) | 116 (14.7) | 286 (18.7) | 34,747 (23.0) |
| Lower extremity | 27,835 (18.7) | 408 (51.7) | 493 (32.2) | 28,736 (19.0) |
| Skin, NOS | 5,662 (3.8) | 74 (9.4) | 120 (7.8) | 5,856 (3.9) |
| Head and Neck | 34–488 (23.2) | 78 (9.9) | 273 (17.8) | 34,839 (23.1) |
| Histologic Subtypeb | ||||
| In situ | 29,238 (19.6) | 128 (16.2) | 326 (21.3) | 29,692 (19.6) |
| MM | 51,903 (34.9) | 353 (44.7) | 641 (41.8) | 52,897 (35.0) |
| NM | 8,454 (5.7) | 42 (5.3) | 92 (6.0) | 8,588 (5.7) |
| LMM | 20,465 (13.8) | 70 (8.9) | 172 (11.2) | 20,707 (13.7) |
| SSM | 37,928 (25.5) | 106 (13.4) | 233 (15.2) | 38,267 (25.3) |
| ALM | 845 (0.6) | 90 (11.4) | 68 (4.4) | 1,003 (0.7) |
| Surgeryb | ||||
| No | 6,088 (4.1) | 70 (8.9) | 107 (7.0) | 6,265 (4.1) |
| Yes | 140,575 (94.5) | 683 (86.6) | 1,395 (91.1) | 142,653 (94.4) |
| Unknown | 2,170 (1.5) | 36 (4.6) | 30 (2.0) | 2,236 (1.5) |
| Type of surgeryb | ||||
| Biopsy | 46,436 (31.2) | 190 (24.1) | 461 (30.1) | 47,087 (31.1) |
| Wide excision | 77,419 (52.0) | 349 (44.2) | 752 (49.1) | 78,520 (51.9) |
| Amputation | 346 (0.2) | 27 (3.4) | 30 (2.0) | 403 (0.3) |
| NOS | 16,374 (11.0) | 117 (14.8) | 152 (9.9) | 16,643 (11.0) |
| Tumor ulcerationb | ||||
| No | 118,129 (85.4) | 506 (69.0) | 1132 (78.3) | 119,767 (85.3) |
| Yes | 6,952 (5.0) | 76 (10.4) | 106 (7.3) | 7,134 (5.1) |
| Unknown | 13,209 (9.6) | 151 (20.6) | 208 (14.4) | 13,568 (9.7) |
| Satellite nodulesb | ||||
| No | 135,172 (90.8) | 620 (78.6) | 1,298 (84.7) | 13,7090 (90.7) |
| Yes | 1,126 (0.8) | 19 (2.4) | 24 (1.6) | 1,169 (0.8) |
| Unknown | 12,535 (8.4) | 150 (19.0) | 210 (13.7) | 12,895 (8.5) |
| Lymph node extensionb | ||||
| No | 100,716 (67.7) | 443 (56.2) | 1,031 (67.3) | 102,190 (67.6) |
| Regional | 4,411 (3.0) | 48 (6.1) | 77 (5.0) | 4,536 (3.0) |
| Distant | 449 (0.3) | 8 (1.0) | 12 (0.8) | 469 (0.3) |
| Unknown | 43,257 (29.1) | 290 (36.8) | 412 (26.9) | 43,959 (29.1) |
Abbreviations: SEER= Surveillance Epidemiology End Results, MM = malignant melanoma, NM = nodular melanoma, LMM = lentigo maligna melanoma, SSM = superficial spreading melanoma, ALM = acral lentiginous melanoma
a
P = 0.0513.
b
P < 0.0001