NCIt related terms : Aggressive NK-cell leukaemia;
NCIt definition : A rare, highly aggressive, Epstein-Barr virus-associated leukemia, also known as aggressive
NK-cell leukemia/lymphoma; it may represent the leukemic counterpart of nasal type
extranodal NK/T-cell lymphomas. It affects primarily teenagers and young adults. It
is characterized by the systemic proliferation of NK cells in the peripheral blood,
bone marrow, liver, and spleen.;