Palatine TonsilParaffinParaffin EmbeddingAdenoidsTonsillitisTonsillectomyTissue FixationImmunohistochemistryFormaldehydeImmunoenzyme TechniquesFixativesFrozen SectionsAdenoidectomyLymphoid TissueMicrotomyStaining and LabelingB-LymphocytesKerosenePolymerase Chain ReactionWaxesTissue PreservationArnold-Chiari MalformationPlastic EmbeddingAntibodies, MonoclonalHistocytological Preparation TechniquesLymph NodesMineral OilTissue EmbeddingDecalcification TechniqueIn Situ HybridizationTumor Markers, BiologicalBiopsyAbattoirsPharyngeal DiseasesHistocytochemistrySwineHematoxylinSwine DiseasesCarcinoma, Squamous CellImmunoglobulin DMouth BreathingGerminal CenterHyperplasiaForamen MagnumHypertrophyArcanobacteriumNucleolus Organizer RegionPlasma CellsNeoplasm ProteinsPneumonia, LipidLymphocytesOilsB-Lymphocyte SubsetsImmunologic TechniquesDNA, ViralSensitivity and SpecificityDNA, NeoplasmKi-67 AntigenReverse Transcriptase Polymerase Chain ReactionEpitheliumPeritonsillar AbscessActinobacillus pleuropneumoniaeEosine Yellowish-(YS)Palate, SoftFluorescent Antibody TechniqueBreast NeoplasmsHerpesvirus 4, HumanRosette FormationAntigens, CDLymphomaOropharynxPathology, MolecularTongueSilver StainingAntigens, NeoplasmAdenocarcinomaPloidiesLymphoma, B-CellImmunoglobulinsIn Situ Hybridization, FluorescenceT-LymphocytesRNA, MessengerTissue Array AnalysisLymphoma, T-CellActinobacillus InfectionsRetrospective StudiesImmunophenotypingPrognosisStreptococcus suisLymphoma, Non-HodgkinDendritic Cells, FollicularPharynxCecumFlow CytometryTissue BanksPapillomaviridaeClassical Swine FeverWasting SyndromeInterleukin-3 Receptor alpha SubunitImmunoglobulin A