What is the role of BAL in the workup of cystic fibrosis (CF)?

Updated: Oct 22, 2019
  • Author: Girish D Sharma, MD, FCCP, FAAP; Chief Editor: Kenan Haver, MD  more...
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Airway inflammation is the hallmark of lung disease in patients with CF. Studies suggest that airway inflammation is present even in the absence of infection.

Bronchoalveolar lavage fluid usually shows a high percentage of neutrophils, and recovery of Pseudomonas aeruginosa from bronchoalveolar lavage fluid supports the diagnosis of CF in a clinically atypical case.

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