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Respirol Case Rep. 2017 Nov 17;6(1):e00282. doi: 10.1002/rcr2.282. eCollection 2018 Jan.

Lung injury associated with electronic cigarettes inhalation diagnosed by transbronchial lung biopsy.

Author information

1
Department of Respiratory Medicine Kashiwa Tanaka Hospital Chiba Japan.
2
Department of Respiratory Medicine Tokyo Medical University Ibaraki Medical Center Ibaraki Japan.
3
Department of Pathology Japanese Red Cross Medical Center Tokyo Japan.

Abstract

A 46-year-old healthy man developed respiratory distress, night sweats, fever, and weight loss after using electronic cigarettes (e-cigs) for approximately 1 month. He presented to the hospital when the symptoms worsened 2 months after onset. The findings of bronchoalveolar lavage (BAL) fluid examination and the following transbronchial lung biopsy examination led to the diagnosis of acute alveolitis: intra-alveolar fibrosis accompanied with exudate containing abundant lipid-laden macrophages, eosinophils, and neutrophils. Eventually, e-cig-induced acute lung injury was diagnosed. The symptoms were rapidly alleviated upon e-cig use termination and methylprednisolone pulse therapy, and no subsequent recurrence was observed. There have been only a few reported cases of e-cig-induced lung injury. In e-cig users presenting with atypical pneumonia, close examination by BAL and biopsy should be performed to verify the presence or absence of lipid-laden macrophages.

KEYWORDS:

Acute lung injury; bronchoalveolar lavage; electronic cigarette; lipid‐laden macrophages; transbronchial lung biopsy

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