TABLE 2.
Baseline demographics and clinicopathologic variables of the 40 primary melanoma cases included on the SSM and NM tissue microarrays.
| SSM (N=20) | NM (N=20) | |
|---|---|---|
| Gender (N,%) | ||
| Male | 16 (80) | 13 (65) |
| Female | 4 (20) | 7 (35) |
| Age at Diagnosis, years | ||
| (median, range) | 62 (29–86) | 71.5 (35–90) |
| Stage (N, %) | ||
| Stage I | 11 (55) | 3 (15) |
| Stage II | 5 (25) | 8 (40) |
| Stage III | 4 (20) | 9 (45) |
| Stage IV | 0 (0) | 0 (0) |
| Thickness, mm | ||
| (median, range) | 1.45 (1–6) | 3.4 (1.24–24) |
| Ulceration (N,%) | ||
| Present | 4 (20) | 12 (60) |
| Absent | 16 (80) | 8 (40) |
| Mitotic index (N,%) | ||
| (per HPF) | ||
| Many | 5 (25) | 11 (55) |
| Moderate | 5 (25) | 7 (35) |
| Few | 10 (50) | 2 (10) |
| Anatomic site | ||
| Extremity | 5 (25) | 8 (40) |
| Axial | 13 (65) | 9 (45) |
| Head and neck | 2 (10) | 3 (15) |
| SLN Biopsy Positive (N, %) | ||
| Yes | 4 (20) | 5 (25) |
| No | 16 (80) | 15 (75) |
| Recurrence (N, %) | ||
| Yes | 5 (25) | 6 (30) |
| No | 15 (75) | 14 (70) |
| Status at last follow-up | ||
| Alive | 16 (80) | 14 (70) |
| Dead | 4 (20) | 6 (30) |
Abbreviations: SSM, superficial spreading melanoma; NM, nodular melanoma; HPF, high power field; SLN, sentinel lymph node biopsy