A T-cell acute leukemia that results_in abnormal increase of lymphocytes, derives_from T-cells, has_material_basis_in Human T-lymphotropic virus 1 (HTLV-1), which is transmitted_by sexual contact, transmitted_by contaminated needles used by intravenous-drug users, and transmitted_by breast feeding. The infection results_in_formation_of skin lesions.

Reference
DiseaseOntology: Adult T-cell leukemia/lymphoma