Figure 2From: Diffuse alveolar hemorrhage after use of a fluoropolymer-based waterproofing sprayBloody gross appearance (left) and microscopic findings (right) of bronchoalveolar lavage fluid specimens. Right May-Giemsa-stained cytospin preparation showing numerous red blood cells and neutrophils, consistent with the diagnosis of alveolar hemorrhage. Arrows macrophages. Scale bar 50 μm.Back to article page