Pertinence of the Sysmex XE-5000™ parameters: rule of slide review in a context of 'normal' lymphocyte count (defined from control and mantle cell lymphoma blood specimens).

Introduction: As most hematology cell analyzers, the different parameters of Sysmex XE-5000™ are little informative in the qualitative analysis of lymphoid cells, and especially when the lymphocyte count is below 4 × 10(9) /L (i.e., 'normal').