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. Author manuscript; available in PMC: 2014 Jan 30.
Published in final edited form as: Blood Rev. 2011 Feb 3;25(3):107–112. doi: 10.1016/j.blre.2011.01.005

Table 1.

Diagnostic criteria for plasma cell leukemia.

  1. Plasma cells >2×109/L in peripheral blood

  2. Plasma cells >20% of blood leukocytes in peripheral blood

  3. Primary plasma cell leukaemia (pPCL): presents as de novo leukaemia

  4. Secondary plasma cell leukemia (sPCL): progression from a pre-existing multiple myeloma

International Myeloma Working Group.3