DO_infectious_disease_slim NCIthesaurus has material basis in transmitted by has symptom disease has location spinal cord disease HTLV-1-associated myelopathy/tropical spastic paraparesis NCI:C179058 MIM:159580 DOID:321 ICD10CM:G04.1 SNOMEDCT_US_2025_09_01:45129002 UMLS_CUI:C0030481 A viral infectious disease that results in inflammation located in spinal cord, has_material_basis_in human T-cell leukemia virus type 1 (Deltaretrovirus priTlym1), which is transmitted by sexual contact, and transmitted by breast feeding. The infection has symptom spastic weakness of both legs, has symptom muscle stiffness, has symptom sensory disturbance, and has symptom spasms. HAM/TSP HTLV-associated myelopathy OMIM mapping confirmed by DO. [LS]. Tropical spastic paralysis Tropical spastic paraplegia disease_ontology MESH:D015493 tropical spastic paraparesis viral infectious disease Deltaretrovirus priTlym1 muscle weakness sensory disturbance contact transmission vehicle-borne ingestion transmission spinal cord