Respiration
Bronchoalveolar Lavage in Chronic Eosinophilic PneumoniaAnalysis of Six Cases in Comparison with Other Interstitial Lung Diseases aIstituto di Clinica delle Malattie dell’Apparato Respiratorio e bCattedra di Reumatologia, Università degli Studi di Parma, Italia
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Article / Publication Details
Published online: January 20, 2009
Issue release date: 1988
Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 0
ISSN: 0025-7931 (Print)
eISSN: 1423-0356 (Online)
For additional information: https://www.karger.com/RES
Abstract
We describe 6 patients with chronic eosinophilic pneumonia (CEP) investigated clinically and by bronchoalveolar lavage (BAL). The BAL findings of these 6 patients were compared with those of 293 patients with other interstitial lung diseases (ILD): 184 with sarcoidosis, 63 with hypersensitivity pneumonitis, 46 with idiopathic pulmonary fibrosis (IPF). In patients with CEP, BAL analysis was characterized by a markedly increased number of eosinophils (mean ± 1 SD: 54.2 ± 26.4 of effector cells; in control subjects, eosinophils were < 1% of effector cells). In patients with other ILD, BAL fluid analysis showed a significant increase in the percentage of eosinophils only in the group of IPF, but in IPF the increased number of eosinophils is linked with a significant increase in the percentage of neutrophils. These findings indicate that besides the classic patterns of lymphocytosis or polymorphonuclear leukocytosis, a predominantly eosinophilic pattern may also be present in the BAL fluid. Moreover, BAL may contribute to understanding the pathogenesis of lung tissue damage in CEP.
© 1988 S. Karger AG, Basel
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Article / Publication Details
Published online: January 20, 2009
Issue release date: 1988
Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 0
ISSN: 0025-7931 (Print)
eISSN: 1423-0356 (Online)
For additional information: https://www.karger.com/RES
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