Table 5.
AUROC Scores of Dermoscopic Structures
| BD (n = 9) | Keratoacanthoma (n = 7) | Invasive cSCC (n = 40) | |
|---|---|---|---|
| Vascular structures | |||
| Dotted | 0.489 | 0.490 | 0.513 |
| Hairpin-like | 0.468 | 0.551 | 0.494 |
| Glomerular | 0.902 | 0.459 | 0.256 |
| Linear irregular | 0.258 | 0.531 | 0.644 |
| Polymorphous | 0.383 | 0.469 | 0.594 |
| Vascular arrangement | |||
| Diffuse | 0.375 | 0.398 | 0.638 |
| Clustered | 0.934 | 0.490 | 0.219 |
| Peripheral | 0.202 | 0.631 | 0.622 |
| Features of keratinization | |||
| Scales | 0.602 | 0.480 | 0.444 |
| Keratin clods | 0.557 | 0.418 | 0.506 |
| White circles | 0.416 | 0.592 | 0.506 |
| Central keratin plug | 0.404 | 0.735 | 0.438 |
| Erosions and ulcerations | |||
| None | 0.436 | 0.602 | 0.488 |
| Erosions | 0.714 | 0.551 | 0.331 |
| Ulcerations | 0.350 | 0.347 | 0.681 |
| Background color | |||
| White | 0.524 | 0.622 | 0.419 |
| Pink | 0.682 | 0.439 | 0.413 |
| Red | 0.558 | 0.510 | 0.456 |
| Pigmented | 0.545 | 0.480 | 0.481 |
| Mixed | 0.191 | 0.449 | 0.731 |
AUROC = area under the receiver operating characteristic curve; BD = Bowen disease; cSCC = cutaneous squamous cell carcinoma.