Agricultural disorders of the lung.

J. W. Gurney, J. M. Unger, C. A. Dorby, J. K. Mitby, S. G. Von Essen

Research output: Contribution to journalReview article

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Abstract

Agricultural workers are at risk for developing many respiratory tract disorders. Crop production disorders include chronic bronchitis, asthma, organic dust toxicity syndrome, chemical poisoning, farmer lung, and silo-filler disease. Livestock production disorders include toxic manure poisoning (dung lung) and several zoonoses. Radiographic manifestations can be classified into three patterns: (a) normal findings, characteristic of chronic bronchitis, asthma, or organic dust toxicity syndrome; (b) acute diffuse interstitial or alveolar pattern, characteristic of farmer lung, silo-filler disease, dung lung, and chemical poisoning; and (c) chronic interstitial pattern in the upper lobes (farmer lung) or lower lobes (silo-filler disease, paraquat poisoning). Differential diagnosis is aided by knowledge that most of these disorders have a seasonal presentation. Zoonoses generally exhibit focal areas of consolidation in the lung: The type of splenic calcification, presence of mediastinal or hilar adenopathy, and development of bronchiectasis are additional findings useful in differentiating these rare infections.

Original languageEnglish (US)
Pages (from-to)625-634
Number of pages10
JournalRadiographics : a review publication of the Radiological Society of North America, Inc
Volume11
Issue number4
DOIs
StatePublished - Jul 1991

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ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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