Adult T-Cell Leukemia/Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** A peripheral (mature) T-cell neoplasm linked to the human T-cell leukemia virus type 1 (HTLV-1). Adult T-cell leukemia/lymphoma is endemic in several regions of the world, in particular Japan, the Caribbean, and parts of Central Africa.

**Synonyms:** - ATLL - ATLL - Adult T Cell Lymphoma/Leukemia - Adult T-Cell Lymphoma/Leukemia - Adult T-cell leukemia/lymphoma - Adult T-cell lymphoma/leukemia - HTLV-1 Associated Adult T-Cell Lymphoma/Leukemia - HTLV-I Associated Adult T-Cell Leukemia/Lymphoma - adult T-cell leukemia/lymphoma