Table 2.
Comparison of dermoscopic nail findings of dermatophytoma and dermatophytoma-like traumatic onychodystrophy.
| Characteristic | Number (%) | ||
|---|---|---|---|
| Dermatophytoma onychomycosis (n = 13) |
Dermatophytoma-like-traumatic onychodystrophy (n = 23) | P value | |
| Dorsal view | |||
| (i) Homogenous whitish discoloration | 1 (7.7) | 11 (47.8) | 0.014∗ |
| (ii) Heterogenous multicoloration | 5 (38.5) | 5 (21.7) | 0.282 |
| (iii) Sharp edge of onycholytic area | 0 (0) | 10 (43.5) | 0.005∗ |
| (iv) Longitudinal striae adjacent to dermatophytoma | 9 (69.2) | 7 (30.4) | 0.024∗ |
| (v) Spiked jagged proximal edge | 9 (69.2) | 10 (43.5) | 0.177 |
| (vi) Distal nicking | 1 (7.7) | 6 (26.1) | 0.382 |
| Hyponychium view | |||
| (i) Sulfur-nugget-like subungual debris | 3 (23.1) | 0 (0) | 0.040∗ |
| (ii) “Ruin appearance” | 7 (53.8) | 11 (47.8) | 0.729 |
| (iii) Onychauxis | 4 (30.8) | 11 (47.8) | 0.319 |