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Am J Surg Pathol. 1988 Jul;12(7):514-8.

Histologic diagnosis of extrinsic allergic alveolitis.

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Department of Pathology, LDS Hospital, Utah.


Twenty-seven patients with open-lung biopsy findings consistent with extrinsic allergic alveolitis (hypersensitivity pneumonitis) were studied. In only one case had the diagnosis been considered prior to the biopsy. Among the 27 patients, a causative exposure was subsequently identified in 10, and no apparent cause could be found in the remaining 17. The prognosis for the entire group was good; all 10 patients in whom an exposure was found and 13 of 17 without causative exposure are alive without progressive lung disease.

[Indexed for MEDLINE]

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