Research Article
Histopathological Characteristics of Cutaneous Melanoma in Isfahan, Iran, from 2013 to 2018
Table 4
The frequency distribution of vascular invasion and ulceration in the samples based on the lesion’s location and depth of tumor penetration.
| | Variable | Vascular invasion (%) | Ulceration (%) | | Yes | No | Yes | No |
| | The whole sample | 8 (17.8) | 37 (82.2) | 19 (42.2) | 26 (57.8) |
| | Tumor location | | Face | 1 (12.5) | 10 (27.0) | 6 (31.6) | 5 (19.2) | | Scalp | — | 1 (2.7) | — | 1 (3.8) | | Trunk | 1 (12.5) | 3 (8.1) | 1 (5.3) | 3 (11.5) | | Arm | 1 (12.5) | 2 (5.4) | 1 (5.3) | 2 (7.7) | | Hand | 1 (12.5) | 6 (16.2) | 5 (26.3) | 2 (7.7) | | Anus | — | 1 (2.7) | 1 (5.3) | — | | Leg | 1 (12.5) | 3 (8.1) | 1 (5.3) | 3 (11.5) | | Foot | 3 (37.5) | 11 (29.7) | 4 (21.1) | 10 (38.5) | | Total | 8 (100) | 37 (100) | 19 (100) | 26 (100) |
| | Depth of tumor penetration (Breslow thickness) | | <1.00 | — | 11 (29.7) | 1 (5.3) | 10 (38.5) | | 1.00–2.00 | — | 7 (18.9) | 3 (15.8) | 4 (15.4) | | 2.01–4.00 | 1 (12.5) | 10 (27.0) | 6 (31.6) | 5 (19.2) | | >4.00 | 7 (87.5) | 9 (24.3) | 9 (47.4) | 7 (26.9) | | Total | 8 (100) | 37 (100) | 19 (100) | 26 (100) | | Mean ± SD | 7.12 ± 3.18 | 3.17 ± 2.98 | 5.08 ± 3.51 | 2.99 ± 2.98 |
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