Alveolitis, Extrinsic Allergic
Allergic Alveolitides, Extrinsic
Allergic Alveolitis, Extrinsic
Alveolitides, Extrinsic Allergic
Extrinsic Allergic Alveolitides
Extrinsic Allergic Alveolitis
A common interstitial lung disease caused by hypersensitivity reactions of PULMONARY ALVEOLI after inhalation of and sensitization to environmental antigens of microbial, animal, or chemical sources. The disease is characterized by lymphocytic alveolitis and granulomatous pneumonitis.