Table 3.
Breakdown of lesion diagnoses in the PP population.
| Diagnosis | Subtype/stage | Clinical diagnosis | Histopathology |
|---|---|---|---|
| Melanoma | All | 0 | 16 |
| Superficial spreading | 9 | ||
| Lentigo maligna | 1 | ||
| Other | 1 | ||
| Not given/ambiguous | 5 | ||
| In situ | 2 | ||
| <1.0 mm | 7 | ||
| 1.01–2.0 mm | 2 | ||
| 2.01–4.0 mm | 4 | ||
| >4 mm | 0 | ||
| Not available | 1 | ||
| SCC | All | 1 | 43 |
| Poorly differentiated | 4 | ||
| Moderately differentiated | 15 | ||
| Well differentiated | 16 | ||
| Other/unknown | 8 | ||
| Tis | 1 | ||
| T1 | 38 | ||
| T2 | 0 | ||
| T4 | 3 | ||
| Not available | 1 | ||
| BCC | All | 21 | 176 |
| Superficial | 13 | ||
| Nodular | 94 | ||
| Infiltrative | 17 | ||
| Morphoeic | 0 | ||
| Micronodular | 2 | ||
| Basosquamous | 1 | ||
| Other/unknown | 49 | ||
| Tis | 3 | ||
| T1 | 141 | ||
| T2 | 2 | ||
| T4 | 0 | ||
| Not available | 30 | ||
| Other malignant | 0 | 2 | |
| IEC | 0 | 11 | |
| Actinic keratosis | 40 | 21 | |
| Dysplastic nevus | All | 2 | 20 |
| Mild atypia | 9 | ||
| Moderate atypia | 4 | ||
| Severe atypia | 2 | ||
| Unknown severity | 5 | ||
| Seborrheic keratosis | 59 | 12 | |
| Dermatofibroma | 8 | 7 | |
| Vascular lesion | 3 | 0 | |
| Lentigo | 0 | 1 | |
| Benign melanocytic nevi | 10 | 12 | |
| Other (benign) | 43 | 75 | |
| Unknown/missing | 1 | 1 | |
| Total lesions | 188 | 397 |
SCC, Squamous Cell Carcinoma; BCC, Basal Cell Carcinoma; IEC, Intraepidermal Carcinoma.