Eosinophil alveolitis in two patients with idiopathic pulmonary fibrosis

Bronchoalveolar lavage fluid (BALF) in patients with idiopathic pulmonary fibrosis (IPF) is typically characterized by a neutrophil inflammatory pattern and to a lesser extent (<25%) a mild eosinophil alveolitis. We here present two patients with a definite usual interstitial pneumonia (UIP) patt...

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Detalles Bibliográficos
Autores principales: Brix, Ninna, Rasmussen, Finn, Poletti, Venerino, Bendstrup, Elisabeth
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2016
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5010638/
https://www.ncbi.nlm.nih.gov/pubmed/27625983
http://dx.doi.org/10.1016/j.rmcr.2016.07.010
Descripción
Sumario:Bronchoalveolar lavage fluid (BALF) in patients with idiopathic pulmonary fibrosis (IPF) is typically characterized by a neutrophil inflammatory pattern and to a lesser extent (<25%) a mild eosinophil alveolitis. We here present two patients with a definite usual interstitial pneumonia (UIP) pattern on high-resolution computed tomography of the thorax (HRCT) which demonstrated unusually high eosinophil counts in the BALF (40% and 51%). Based on HRCT, lack of response to steroids and the disease course they were both diagnosed as IPF after a multidisciplinary team discussion. This report discusses the diagnostic and etiological considerations of a coexisting UIP pattern and an eosinophil alveolitis. We conclude that these cases illustrate that high level BALF eosinophilia (40–50%) may occur among patients with IPF.

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