Pathology, MolecularPathology, ClinicalPathologyMolecular BiologyMolecular Diagnostic TechniquesTissue FixationMutationParaffin EmbeddingFixativesIndividualized MedicineFormaldehydeDNA Mutational AnalysisGenetic TestingGenetic Diseases, InbornSyndromePolymerase Chain ReactionPhenotypeGene Expression ProfilingTumor Markers, BiologicalImmunohistochemistryMolecular Sequence DataDisease Models, AnimalNeoplasmsBrainReverse Transcriptase Polymerase Chain ReactionGenetic MarkersMutation, MissenseChromosome AberrationsPathology, SurgicalSensitivity and SpecificityDiagnostic ErrorsOligonucleotide Array Sequence AnalysisPrognosisNerve Tissue ProteinsHeterozygotePedigreeAmino Acid SequenceGenetic Predisposition to DiseaseBase SequenceDiagnostic Tests, RoutineGene ExpressionRNA, MessengerDiagnostic Techniques and ProceduresGenotypeGene Expression Regulation, NeoplasticSequence Analysis, DNADiagnostic ImagingGene Expression RegulationDNANeuronsSignal TransductionReproducibility of ResultsReagent Kits, Diagnostic