BiopsySkinBiopsy, NeedleSkin DiseasesSkin NeoplasmsSkin AgingImage-Guided BiopsyBiopsy, Large-Core NeedleVasculitis, Leukocytoclastic, CutaneousBiopsy, Fine-NeedleSkin Diseases, ParasiticSkin Physiological PhenomenaSkin TestsSkin Diseases, BacterialImmunohistochemistryEpidermisSkin PigmentationSkin Diseases, VascularErythemaDermatitisSensitivity and SpecificityDermatologic Surgical ProceduresScleroderma, DiffuseTuberculosis, CutaneousSentinel Lymph Node BiopsySkin AbsorptionPolymerase Chain ReactionSkin UlcerPsoriasisScleroderma, SystemicPrurigoLeprosyKeratosisDermisDermatitis, ExfoliativeMycosis FungoidesFatal OutcomeSkin Diseases, ViralRetrospective StudiesErythema Chronicum MigransSweat GlandsLymphoma, T-Cell, CutaneousFibroblastsTime FactorsSkin, ArtificialSweet SyndromeDermatitis, AtopicFacial DermatosesBackLeprosy, LepromatousReproducibility of ResultsCarcinoma, Basal CellLichen PlanusMycobacterium lepraePeripheral Nervous System DiseasesScleroderma, LimitedExanthemaSkin Diseases, PapulosquamousNerve FibersKeratinocytesStenellaHypohidrosisDrug EruptionsDog DiseasesPredictive Value of TestsAcrodermatitisTreatment OutcomeSkin Diseases, VesiculobullousPigmentation DisordersScleroderma, LocalizedPurpura, Schoenlein-HenochBorrelia burgdorferi GroupEccrine GlandsDermatomycosesMelanomaLeishmaniasis, CutaneousDermatitis, Allergic ContactFluorescent Antibody Technique, DirectKaryometryProspective StudiesRNA, MessengerCalciphylaxisVacuumLyme DiseaseScalpDermatitis HerpetiformisTomography, X-Ray ComputedLeg DermatosesPyoderma GangrenosumFolliculitisBlisterAdministration, TopicalCells, CulturedPurpuraProstateParaffin EmbeddingLupus Erythematosus, CutaneousFollow-Up StudiesPanniculitisProstatic Neoplasms