ParaparesisParaparesis, SpasticParaparesis, Tropical SpasticSpastic Paraplegia, HereditaryHuman T-lymphotropic virus 1Muscle SpasticityHTLV-I InfectionsParaplegiaSpinal Cord DiseasesCerebral PalsyGene Products, taxHTLV-I AntibodiesProvirusesHematoma, Epidural, SpinalReflex, BabinskiCarrier StateLaminectomySpinal Cord IschemiaSkin Diseases, ViralParalysisLeukemia-Lymphoma, Adult T-CellThoracic VertebraeSpinal Cord CompressionGenes, pXEpidural SpaceLigamentum FlavumMartiniqueDeltaretrovirus AntibodiesPedigreeDecompression, SurgicalBrachial Plexus NeuritisEquinus DeformityPolyradiculopathyLipomatosisJamaicaSpinal CordParesisSpinal Cord NeoplasmsManihotMyelitisDeltaretrovirus InfectionsHTLV-II InfectionsDeltaretrovirus AntigensMagnetic Resonance ImagingHemiplegiaAortic Aneurysm, ThoracicNeurologic ExaminationNeopterinCoronary VasospasmMyelitis, TransverseViral LoadHTLV-I AntigensSpasmAngina Pectoris, VariantSpinal Cord Vascular DiseasesCisterna MagnaHematoma, Subdural, SpinalHuman T-lymphotropic virus 2Ossification, HeterotopicLeukocytes, MononuclearNeuromuscular AgentsQuadriplegiaBotulinum Toxins, Type AGenes, DominantTuberculomaMyelographyCauda EquinaDura MaterSpinal CanalTuberculosis, SpinalCentral Nervous System Vascular MalformationsGene Products, rexSpinal DiseasesSpinal NeoplasmsDNA, ViralArachnoid CystsGaitAneurysm, DissectingReflex, AbnormalAge of OnsetNeurosurgical ProceduresPolymerase Chain ReactionMutationMolecular Sequence DataGenes, RecessiveCerebrospinal FluidRetroviridae Proteins, OncogenicPhenotypeReflex, StretchTreatment OutcomeBase SequenceElectromyographyCervical VertebraeCerebellar AtaxiaAnkle JointAdaptor Protein Complex 4Brain