Underestimation of airway luminal eosinophilia by quantitative sputum cytometry
Abstract Rationale On Wright-stained sputum cytospins, eosinophil differential of ≥ 1.2% is considered abnormal, and ≥ 2.3% identifies an eosinophilic endotype. We hypothesized that failure to consider free eosinophil granules (FEG), and the re-emergence (unmasking) of eosinophilia due to various re...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2021-07-01
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Series: | Allergy, Asthma & Clinical Immunology |
Subjects: | |
Online Access: | https://doi.org/10.1186/s13223-021-00567-w |