Fig. 10

Non-infectious mimickers of indeterminate COVID-19. a, b A 33-year-old bird breeder with subacute hypersensitivity pneumonitis, axial and coronal reformatted CT images shows patchy or diffuse bilateral ground-glass opacities associated with poorly defined centrilobular nodules and lobular areas of reduced attenuation indicative of air trapping. c, d A 38-year-old man with acute eosinophilic pneumonia, axial and coronal reformatted CT images shows multifocal non-rounded GOO associated with inter- and intralobular septal thickening and thickened bronchovascular bundles