TABLE 2.
Conflicting criteria in misclassified non-melanocytic lesions.
| Solar lentigo/Seborrheic keratosis/Lichen planus-like keratosis (n=125) | Actinic keratosis/Bowen's disease/Squamous cell carcinoma (n=39) | Basal cell carcinoma (n=89) | Ink spot lentigo/Dermatofibroma (n=7) | Inflammatory diseases/Hematoma (n=3) | |
|---|---|---|---|---|---|
| Pigment network | 46 | 7 | 6 | 7 | — |
| Aggregated globules | 7 | 2 | 6 | — | 1 |
| Streaks | 1 | — | — | — | — |
| Homogeneous blue pigmentation | — | — | 1 | — | — |
| Parallel pattern | — | — | — | — | — |
| None* | 35 | 24 | 13 | — | 2 |
| Pigment network & Aggregated globules | 3 | — | — | — | — |
“None” refers to the fact that, in the 2-step algorithm, all lesions without any non-melanocytic features are classified as melanocytic by default.