Research Article

Hemosiderin-Laden Macrophages in Bronchoalveolar Lavage: Predictive Role for Acute Exacerbation of Idiopathic Interstitial Pneumonias

Figure 1

Flow chart of subject selection. Abbreviations: IIPs, idiopathic interstitial pneumonias; BAL, bronchoalveolar lavage; TBLB, transbronchial lung biopsy; AE, acute exacerbation; HLMs, hemosiderin-laden macrophages.