NCI 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. [1]

Disease Details

NK Cell Leukemia, NK-Cell Leukemia, Natural Killer Cell Leukemia, Aggressive NK-Cell Leukemia/Lymphoma
Mature T-Cell and NK-Cell Neoplasm
OncoTree Name
Aggressive NK-Cell Leukemia
OncoTree Code


1. National Cancer Institute. NCI Thesaurus Version 18.11d. https://ncit.nci.nih.gov/ncitbrowser/ [2018-08-28]. [2018-09-21].

2. The AACR Project GENIE Consortium. AACR Project GENIE: powering precision medicine through an international consortium. Cancer Discovery. 2017;7(8):818-831. Dataset Version 8. This dataset does not represent the totality of the genetic landscape; see paper for more information.

3. All assertions and clinical trial landscape data are curated from primary sources. You can read more about the curation process here.