How is the CBC count used in the diagnosis of bronchiectasis?

Updated: Sep 15, 2020
  • Author: Ethan E Emmons, MD; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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The CBC count is often abnormal in patients with bronchiectasis. Typical findings are nonspecific and include anemia and an elevated white blood cell count with an increased percentage of neutrophils. An increased percentage of eosinophils is one criterion for ABPA. Alternatively, polycythemia secondary to chronic hypoxia may be observed in advanced cases.

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