Fig. 2From: Combined-modality therapy for pulmonary alveolar proteinosis in a remote setting: a case reportPeriodic-Acid Schiff staining of BAL specimen. a: Diff Quik stain of BAL fluid demonstrating abundant amorphous granular debris with few macrophages and neutrophils. b: Periodic-Acid Schiff (PAS) stain of BAL fluidBack to article page