Extrinsic allergic alveolitis in a sawmill worker. A case report.

Abstract
Extrinsic allergic alveolitis, with acute attacks of the disease, developed in a sawmill worker. Diagnosis was based on history of exposure to moldy wood, on the symptoms and clinical signs and on physiological and radiographic findings. A microbiological analysis of ambient air of patient work environment showed that the air contained a considerable number of spores (fungi and actinomycetes). The most common fungal genus was Apergillus. Thermoactinomyces vulgaris predominated the actinomycetal flora. The patient''s serum contained precipitins to T. vulgaris and Aspergillus fumigatus. The microbiological and serological data suggested that the causative agent(s) of the disease was T. vulgaris or a species of the genus Aspergillus.

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