Fig. 2From: Exogenous lipoid pneumonia caused by repeated sesame oil pulling: a report of two casesThe bronchoalveolar fluid examination in a 66-year-old male with lipoid pneumonia. The bronchoalveolar lavage fluid was initially turbid white (a) and subsequently exhibited a bilayer appearance (b). Oil phagocytosis by alveolar macrophages was observed under a microscope with Sudan III staining (c)Back to article page