Published: 28 April 2021
Author(s): Laura Bergantini, Miriana d'Alessandro, Paolo Cameli, Anna Perrone, Behar Cekorja, Bianca Boncompagni, Maria Antonietta Mazzei, Piersante Sestini, Elena Bargagli
Issue: July 2021

Broncho-alveolar lavage (BAL) is a safe diagnostic procedure, useful for differentiating fibrotic lung disorders and for excluding malignancy and infection [1–5]. Together with chest high resolution CT (HRCT) and respiratory functional parameters, it is commonly included in the diagnostic work-up for interstitial lung diseases (ILDs) [6]. The use of BAL in the study of ILDs has improved our understanding of the pathogenesis of ILDs, providing useful indications for diagnosis, prognosis and research of biomarkers [7–15].

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