case_images: PMC7543114_01
case_images: Lung histological findings: (a) acute emphysema; (b) focal endoalveolar
  edema; (c) septal edema (arrows); (d) lymphocytic, monocytic and
  eosinophilic peribronchial infiltration (arrows) associated with
  peribronchial parietal muscle thickening.
case_images: 10.1177_2058738420950579-fig1.jpg
case_images: PMC7543114_01_10.1177_2058738420950579-fig1.jpg
case_images: fig1-2058738420950579
case_images: Intraparenchymal hemorrhages on the spleen and adrenal glands were observed (Figure 1).
case_images: Lung immunohistochemical findings: (a-d) tryptase immunoreaction (+++) (brown
  cell reactions) with impressive response of the mast-cells in the
  peribronchial area (arrows) and evident degranulation phenomena (red
  arrows).
case_images: 10.1177_2058738420950579-fig2.jpg
case_images: PMC7543114_01_10.1177_2058738420950579-fig2.jpg
case_images: fig2-2058738420950579
case_images: Pulmonary mast cells were identified and quantified and a great number of degranulating mast cells with tryptase-positive material outside were observed (Figure 2).