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  • Title: Hypersensitivity pneumonitis induced by Penicillium species.
    Author: Solley GO, Hyatt RE.
    Journal: J Allergy Clin Immunol; 1980 Jan; 65(1):65-70. PubMed ID: 7350206.
    Abstract:
    An entomologist developed an illness with typical features of hypersensitivity pneumonitis. On-site investigations indicated that on the days of his attacks he was exposed to dust laden with several species of mold, especially Penicillium spp., as well as to mists generated by reservoir-type humidifiers. Serologic tests to more than 40 antigens prepared from organisms and sources known to cause hypersensitivity pneumonitis showed strong reactions to Penicillium and to antigens prepared from the scum of a large industrial humidifier and from his laboratory humidifier. PFTs revealed a significant reduction in DLCO, Following a 4-mo period without laboratory exposure, he experienced no further episodes, a return to his previous exercise tolerance, and a normal DLCO, BP studies with extracts of Penicillium casei and humidifier water from his laboratory (H1) resulted in objective evidence, both clinically and by hematologic and pulmonary function testing, of hypersensitivity to Penicillium spp. and possibly also to the H1 preparation.
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