Table 2 Pathological characteristics of Chinese patients with acral melanoma.
From: Acral Melanoma in Chinese: A Clinicopathological and Prognostic Study of 142 cases
Characteristics | No. (%) |
|---|---|
Histologic subtype | |
ALM | 122 (85.9) |
NM | 17 (12.0) |
SSM | 3 (2.1) |
Breslow thickness, mm | |
≤1.0 | 8 (5.6) |
1.01–2.0 | 21 (14.8) |
2.01–4.0 | 55 (38.8) |
>4.0 | 58 (40.8) |
Clark level | |
I | 1 (0.7) |
II | 10 (7.0) |
III | 3 (2.1) |
IV | 83 (58.5) |
V | 45 (31.7) |
Ulceration | |
Yes | 68 (47.9) |
No | 74 (52.1) |
Mitotic rate, mm−2 | |
≤15 | 131 (92.3) |
>15 | 11 (7.7) |
TILs | |
Absent | 46 (32.4) |
Brisk | 9 (6.3) |
Non-brisk | 87 (61.3) |
Vascular invasion | |
Absent | 139 (97.9) |
Present | 3 (2.1) |
Regional lymph node metastasis at diagnosis | |
Yes | 46 (32.4) |
No | 96 (67.6) |
Pathologic stage | |
0 | 1 (0.7) |
I | 19 (13.4) |
II | 74 (52.1) |
III | 44 (31.0) |
IV | 4 (2.8) |
