Carcinoma, Basal CellCarcinoma, Squamous CellSkin NeoplasmsBasal Cell Nevus SyndromeCarcinoma, Renal CellCarcinomaEyelid NeoplasmsMohs SurgeryFacial NeoplasmsKidney NeoplasmsKeratosisCarcinoma, HepatocellularKeratosis, ActinicHead and Neck NeoplasmsCarcinoma, Transitional CellImmunohistochemistryDermoscopyNeoplasms, Basal CellBowen's DiseaseCarcinoma, Merkel CellKeratoacanthomaSunlightSkinMouth NeoplasmsKeratosis, SeborrheicTumor Markers, BiologicalCarcinoma in SituCarcinoma, Small CellHedgehog ProteinsCarcinoma, Giant CellEsophageal NeoplasmsCarcinoma, BasosquamousAminolevulinic AcidCarcinoma, PapillaryGene Expression Regulation, NeoplasticNeoplasms, Multiple PrimaryJaw CystsKeratinocytesSkin PigmentationNeoplasm InvasivenessPhotochemotherapyKeratin-15Keratin-14Chromosomes, Human, Pair 9PrognosisPhotosensitizing AgentsGiant CellsReceptors, Cell SurfaceNeoplasms, Radiation-InducedMedulloblastomaBetapapillomavirusOrbit EviscerationCell Line, TumorCarcinoma, Signet Ring CellKeratinsUltraviolet RaysNeoplasm StagingNeoplasm Recurrence, LocalAminoquinolinesBiopsyAdenocarcinomaLiver NeoplasmsLung NeoplasmsCarcinoma, Acinar CellRetrospective StudiesNose NeoplasmsSolar SystemEpidermisPrecancerous ConditionsHair FollicleAntineoplastic AgentsLaryngeal NeoplasmsTreatment OutcomeImmunoenzyme TechniquesMelanomaUrinary Bladder NeoplasmsCarcinoma, Skin AppendageTongue NeoplasmsRNA, MessengerNeoplasm ProteinsCerebellar NeoplasmsTumor Cells, CulturedMaxillary NeoplasmsCarcinoma, Ductal, BreastScalpNeoplasms, Adnexal and Skin AppendageDNA, NeoplasmGiant Cell ArteritisCurettageGiant Cell Tumor of BoneAdenocarcinoma, Clear CellOdontogenic CystsTumor Suppressor Protein p53Loss of HeterozygosityKi-67 AntigenVulvar NeoplasmsCase-Control StudiesFicusinLymphatic MetastasisAdenocarcinoma, Sebaceous