| AK | Actinic Keratosis |
| BCC | Basal Cell Carcinoma |
| HIFU | High-Intensity Focused Ultrasound |
| EDC | Electrodesiccation and Curettage |
| PDT | Photodynamic Therapy |
| 5-FU | 5-Fluorouracil |
| NCT | National Clinical Trial (identifier number) |
| SK | Seborrheic Keratosis |
| GA | Granuloma Annulare |
| NMSC | Non-Melanoma Skin Cancer |
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