2A90.3
category
Aggressive NK cell leukaemia
Definition
A rare, highly aggressive, Epstein-Barr virus-associated leukaemia, also known as aggressive NK-cell leukaemia/lymphoma; it may represent the leukemic counterpart of nasal type extranodal NK/T-cell lymphomas. It affects primarily teenagers and young adults. It is characterised by the systemic proliferation of NK cells in the peripheral blood, bone marrow, liver, and spleen.
Also indexed as
Aggressive NK cell leukaemia
Nearby in Mature T-cell lymphoma, specified types, nodal or systemic
2A90.0T-cell prolymphocytic leukaemia2A90.1T-cell large granular lymphocytic leukaemia2A90.2Chronic lymphoproliferative disorders of NK-cells2A90.4Systemic Epstein-Barr Virus-positive T-cell lymphoma of childhood2A90.5Adult T-cell lymphoma or leukaemia, human T-cell lymphotropic virus type 1-associated2A90.6Extranodal NK/T-cell lymphoma, nasal type2A90.7Enteropathy associated T-cell lymphoma2A90.8Hepatosplenic T-cell lymphoma