5-FU	5-fluorouracil
AK	actinic keratosis
APC	antigen-presenting cells
BCC	basal cell carcinoma
BCG	Bacillus Calmette–Guérin
BD	Bowen’s disease
BSM	breast skin metastases
bFGF	basic fibroblast growth factor
CTB	cathepsin B
CTD	cathepsin D
EMPD	extramammary Paget’s disease
DC	dendritic cells
FDA	Food and Drug Administration
FLICE	Fas-associated death domain-like IL-1β-converting enzyme inhibitory protein
G-CSF	granulocyte colony stimulating factor
GM-CSF	granulocyte and monocyte stimulating factor
HPV	human papillomavirus
IM	imiquimod
IRM	immune response modifiers
LC	Langerhans cells
LM	lentigo maligna
MF	mycosis fungoides
MHC	major histocompatibility complex
MIP	macrophage inflammatory proteins
MIS	melanoma in situ
MMP-9	matrix metalloproteinase-9
NK cells	natural killer cells
NMSC	nonmelanoma skin cancer
NOS	nitric oxide synthase
nBCC	nodular basal cell carcinoma
pDC	plasmacytoid dendritic cells
PCL	primary cutaneous lymphoma
PDT	photodynamic therapy
PTCH	protein patched homolog
RCT	randomized clinical trial
sBCC	superficial basal cell carcinoma
PAMP	pathogen-associated molecular pattern
PCL	primary cutaneous lymphoma
SCC	squamous cell carcinoma
TAAs	tumour-associated antigens
TIMP	tissue inhibitor of matrix metalloproteinase
TLR	Toll-like receptor
TRAIL	TNF-related apoptosis-inducing ligand
TSP-1	thrombospondin-1
UV	ultraviolet
VEGF	vascular endothelial growth factor