Fig. 4
From: Deadly combination of Vaping-lnduced lung injury and Influenza: case report
a Gross photo of a cut surface of lung, which shows solid, hemorrhagic areas with necrosis. b Microscopic photo of diffuse alveolar damage (DAD) in the exudative phase, with hyaline membrane formation, fibrinous and cellular exudate in alveolar spaces. c Large area of necrotizing bacterial pneumonia. d Special stain Oil Red O, demonstrating lipid containing macrophages in alveolar spaces and alveolar wall