ParaparesisParaparesis, SpasticParaparesis, Tropical SpasticSpinal Cord DiseasesSpinal Cord CompressionCervical VertebraeHuman T-lymphotropic virus 1Spinal OsteophytosisHTLV-I InfectionsLaminectomySpondylosisDecompression, SurgicalParaplegiaLigamentum FlavumMyelographyGene Products, taxHTLV-I AntibodiesOssification of Posterior Longitudinal LigamentMyelitisProvirusesSpinal CordThoracic VertebraeMyelitis, TransverseSpinal CanalEpidural SpaceHematoma, Epidural, SpinalCarrier StateSpinal Cord IschemiaSkin Diseases, ViralLeukemia-Lymphoma, Adult T-CellMagnetic Resonance ImagingOssification, HeterotopicSpastic Paraplegia, HereditarySpinal Cord NeoplasmsGenes, pXNeurologic ExaminationRadiculopathyDura MaterMuscle SpasticityParalysisSpinal FusionHTLV-II InfectionsSpinal Cord Vascular DiseasesDeltaretrovirus AntibodiesDeltaretrovirus InfectionsReflex, BabinskiDiskectomyNeopterinJamaicaPolyradiculopathySpinal StenosisLipomatosisViral LoadDeltaretrovirus AntigensCervical AtlasNeurosurgical ProceduresCentral Nervous System Vascular MalformationsHuman T-lymphotropic virus 2MartiniqueSpinal DiseasesSpinal NeoplasmsAortic Aneurysm, ThoracicAtlanto-Axial JointLongitudinal LigamentsTreatment OutcomeParesisTuberculosis, SpinalManihotBrachial Plexus NeuritisLeukocytes, MononuclearAxisCerebrospinal FluidCisterna MagnaIntervertebral Disc DisplacementTomography, X-Ray ComputedHematoma, Subdural, SpinalQuadriplegiaEncephalitis, Varicella ZosterHTLV-I AntigensOdontoid ProcessOccipital BonePostoperative ComplicationsTuberculomaKyphosisHyperostosis, Diffuse Idiopathic SkeletalDNA, ViralReflex, AbnormalEvoked Potentials, MotorRetrospective StudiesHyperostosisCauda EquinaArteriovenous FistulaLigamentsLordosisExophthalmosElectrodiagnosisSynovial CystRetroviridae Proteins, OncogenicPolymerase Chain ReactionPedigree