A 68-year-old man, who had continuing exposure to budgerigars, developed fatal acute respiratory failure following years of slowly progressive pulmonary deterioration. His lung function was characterized first by mild airflow obstruction and later by progressive loss of lung volume. Computed tomography showed progressive development of pulmonary fibrosis and honeycombing. His serum disclosed precipitins to pigeon antigen. During his final illness his chest radiograph showed widespread patchy consolidation. At autopsy, his lungs revealed left lower lobe bronchopneumonia, fibrosis and honeycombing at the bases and widespread evidence of diffuse alveolar damage with organized exudate in some alveoli. To our knowledge, this is the second reported fatality due to acute alveolar injury in bird fanciers' lung.
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