Cigarette smoking-induced acute eosinophilic pneumonia: A case report

Medicine
Xing LiuBin Shi

Abstract

Acute eosinophilic pneumonia (AEP) is a rare pulmonary disease, which is characterized by diffuse pulmonary eosinophilia. The pathogenesis remains unknown. Here we report a patient with AEP following a recently acquired habit of smoking. A 21-year-old female presented with fever, dry cough, and acute hypoxic respiratory distress for 2 days. Chest computed tomography showed bilateral ground glass opacities, patchy nodules, and pleural effusions. Blood tests showed a gradually raised peripheral eosinophils level. Bronchoalveolar lavage fluid revealed marked elevation of eosinophils. She was diagnosed with AEP. Systemic methylprednisolone was immediately used for treatment. Her clinical symptoms and chest radiographs improved promptly after treatment. Cigarette smoking might be an underlying triggering factor of AEP. Diffuse alveolar infiltrates and a gradually increasing peripheral eosinophilia should raise the concern especially in recent smoking patients.

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Citations

Nov 18, 2020·The Journal of Critical Care Medicine·Molly Wolf, Jeremy Richards

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Methods Mentioned

BETA
bronchoalveolar lavage
biopsy

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