SpleenDelayed DiagnosisPrenatal DiagnosisEarly DiagnosisSensitivity and SpecificityDiagnosisRetrospective StudiesDiagnostic ErrorsSplenectomyTime FactorsTomography, X-Ray ComputedMice, Inbred BALB CBiopsyNursing DiagnosisDiagnosis, Computer-AssistedPredictive Value of TestsMice, Inbred C57BLWandering SpleenSplenomegalyReproducibility of ResultsLymph NodesPolymerase Chain ReactionSplenic NeoplasmsProspective StudiesPregnancyLiverPreimplantation DiagnosisTreatment OutcomeMagnetic Resonance ImagingMice, Inbred StrainsPrognosisT-LymphocytesFollow-Up StudiesInfant, NewbornFatal OutcomeRisk FactorsLymphocytesSpleen Focus-Forming VirusesThymus GlandBone MarrowBiopsy, NeedleFetal DiseasesB-LymphocytesEnzyme-Linked Immunosorbent AssayAntibody FormationAge FactorsAcute DiseaseImmunoglobulin GIncidenceCohort StudiesTissue DistributionLymphoid TissueImmunoglobulin MBiological MarkersPrevalenceHemolytic Plaque TechniqueSplenic RuptureImmunohistochemistryLymphocyte ActivationFalse Positive ReactionsROC CurveAntibodies, MonoclonalCase-Control StudiesSeverity of Illness IndexSyndromeMice, Inbred C3HAntibody-Producing CellsUltrasonography, PrenatalClinical Laboratory TechniquesUltrasonographyMice, Inbred CBAFalse Negative ReactionsMolecular Sequence DataMacrophagesConcanavalin ATumor Markers, BiologicalUnited StatesAntigensMolecular Diagnostic TechniquesImmunity, CellularBase SequenceBiopsy, Fine-NeedleNeoplasmsLymphomaCells, CulturedBreast NeoplasmsOrgan SpecificityImmunization, PassiveFlow CytometryBone Marrow CellsLeukemia, ExperimentalEvaluation Studies as TopicChronic DiseaseMicroscopyErythrocytesPhysical ExaminationDog DiseasesKidneyImmunosuppressionOrgan Size