KA	Keratoacanthoma
SCC	Squamous Cell Carcinoma
MTX	Methotrexate
RCM	Reflectance Confocal Microscopy
LC-OCT	Line-Field Confocal Optical Coherence Tomography
HPV	Human Papillomavirus
UV	Ultraviolet
MSSE	Multiple Self-healing Squamous Epithelioma
EV	Epidermodysplasia Verruciformis
GEKA	Generalized Eruptive Keratoacanthoma
HR	High-Risk
LR	Low-Risk
NER	Nucleotide Excision Repair
E6AP	E6-Associated Protein
pRb	Retinoblastoma protein
RT	Radiotherapy
PDT	Photodynamic therapy
5-FU	5-Fluorouracil
EGFR	Epidermal Growth Factor Receptor