ClearLLab LS CaseBook

This CD20/CD19 dot plot is gated on Lymphocytes. The B lymphocytes display expected normal co-expression of CD19 and CD20.

This CD34/CD10 dot plot is gated on Lymphocytes. These cells are essentially negative for both markers, consistent with expectedpresence ofmature T andB lymphocytes andNK cells.

ThisCD19/CD10dot plot isgatedonLymphocytes. B lymphocytes comprise the minority of lymphocytes.

ThisCD5/CD19dot plot is gatedonLymphocytes. B lymphocytes comprise the minority of lymphocytes.

Neoplastic Process of T Cell Origin > T lymphoblastic leukemia/lymphoblastic lymphoma > Case #9: T Lymphoblastic Leukemia/T Lymphoblastic Lymphoma

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75 Beckman Coulter • ClearLLab LS Casebook