What is the role of CBC count in the workup of acute lymphoblastic leukemia (ALL)?

Updated: Oct 26, 2020
  • Author: Karen Seiter, MD; Chief Editor: Emmanuel C Besa, MD  more...
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A complete blood cell (CBC) count with differential demonstrates anemia and thrombocytopenia to varying degrees in individuals with acute lymphoblastic leukemia (ALL). Patients with ALL can have a high, normal, or low white blood cell (WBC) count, but they usually exhibit neutropenia. The prevalence and severity of infections are inversely correlated with the absolute neutrophil count (ANC); infections are common when the ANC is less than 500/µL, and they are especially severe when it is less than 100/µL. See the Absolute Neutrophil Countcalculator.

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