Teppanyaki/Hibachi Pneumonitis: An Exotic Cause of Exogenous Lipoid Pneumonia

Figure 3

Photomicrographs of lung biopsy with hematoxylin-eosin stain. (a) 100x, chronic interstitial inflammation consisting of dense bronchocentric lymphoplasmacytic infiltrates, with significant interstitial fibrosis. (b, c) 200x, intra-alveolar lipids and lipid-laden macrophages (arrows). (d) 400x, a multinucleated giant cell with a cholesterol cleft (arrow); an early manifestation in the development of cholesterol granulomas.

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