The alveolar capillaries had large amounts of neutrophils and multifocal thrombosis. There was also interstitial and alveolar edema, sometimes with abundant fibrin deposition. In five cases there was ...

1); espessamento dos septos alveolares, com infiltrado de células mononucleares (linfócitos); infiltrado de neutrófilos, com material eosinofílico na luz dos brônquios; edema alveolar, congestão e ...