Hypersensitivity pneumonitis.
This article has presented an overview on hypersensitivity pneumonitis, with an emphasis on the immunopathogenic and pathologic features. The disease is related to an immune complex and cell-mediated mechanism. The lung tissue may show a variety of histopathologic changes, most notable being a relatively diffuse lymphocyte-plasma cell interstitial infiltrate in association with small non-necrotizing granulomas.
Hammar
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D000542:Alveolitis, Extrinsic Allergic / Q000209:etiology / Q000276:immunology / Q000473:pathology*; D000936:Antigen-Antibody Complex / Q000276:immunology; D000941:Antigens / Q000276:immunology; D003937:Diagnosis, Differential; D006801:Humans; D007111:Immunity, Cellular
D000936:Antigen-Antibody Complex; D000941:Antigens