ParaparesisParaparesis, SpasticParaparesis, Tropical SpasticHuman T-lymphotropic virus 1HTLV-I InfectionsParaplegiaSpinal Cord DiseasesGene Products, taxHTLV-I AntibodiesHematoma, Epidural, SpinalSpastic Paraplegia, HereditaryProvirusesSpinal Cord IschemiaLaminectomyCarrier StateThoracic VertebraeEpidural SpaceMuscle SpasticitySpinal Cord CompressionSkin Diseases, ViralLeukemia-Lymphoma, Adult T-CellReflex, BabinskiLigamentum FlavumPolyradiculopathyParalysisDecompression, SurgicalGenes, pXLipomatosisSpinal Cord NeoplasmsMagnetic Resonance ImagingMyelitisMartiniqueDeltaretrovirus AntibodiesAortic Aneurysm, ThoracicJamaicaNeurologic ExaminationSpinal CordManihotBrachial Plexus NeuritisDeltaretrovirus InfectionsDeltaretrovirus AntigensHTLV-II InfectionsParesisMyelitis, TransverseNeopterinSpinal Cord Vascular DiseasesCisterna MagnaTreatment OutcomeViral LoadTime FactorsHematoma, Subdural, SpinalHTLV-I AntigensSymptom AssessmentDepressionTuberculomaPedigreeCauda EquinaDura MaterOssification, HeterotopicHuman T-lymphotropic virus 2Spinal CanalMyelographyLeukocytes, MononuclearCentral Nervous System Vascular MalformationsSpinal DiseasesTuberculosis, SpinalSpinal NeoplasmsArachnoid CystsSeverity of Illness IndexRisk FactorsAneurysm, DissectingTomography, X-Ray ComputedFollow-Up StudiesQuestionnairesCerebrospinal FluidRetrospective StudiesDNA, ViralGene Products, rexPsychiatric Status Rating ScalesPolymerase Chain ReactionBehavioral SymptomsBrainNeurosurgical ProceduresMolecular Sequence DataProspective StudiesPostoperative ComplicationsCohort StudiesCervical VertebraeDisease ProgressionAge of OnsetRetroviridae Proteins, OncogenicLumbar VertebraeCase-Control Studies