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. 2019 Jul 10;15:869–875. doi: 10.2147/TCRM.S207402

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© 2019 Menzella et al.

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Biopsies: (A) transbronchial biopsies sampled several good-quality lung fragments (hematoxylin-eosin, 20× magnification). (B) A subacute lung injury was present, consisting of foci of organizing pneumonia with pneumocyte hyperplasia and several interstitial and intra-alveolar eosinophils (hematoxylin-eosin, 400× magnification). (C) In some areas, intra-alveolar foamy macrophages were intermingled with eosinophils (hematoxylin-eosin, 400× magnification). There were no extravascular granulomas, small and medium-sized vessels vasculitis.