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Risk Stratification in Chronic Lymphocytic Leukemia

The Role of the Clinical Laboratory

ZAP-70 by Flow in CLL

Slide 18

November 2008

It should be noted that one needs to pay close attention to the T-cells in this particular analysis. This is a separate study of a control with quad stats being appropriately set based on the ZAP-70 B-cell expression of 0.10%, but note that the T-cells remain negative indicating that the technique to make the membrane permeable did not work, or possibly the cell stability was not acceptable. Based on this finding, the control should be rejected and the study reset.

ZAP-70 by Flow in CLL


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