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Related Experiment Videos

Pulmonary mycotoxicosis.

D A Emanuel, F J Wenzel, B R Lawton

    Chest
    |March 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Pulmonary mycotoxicosis can occur from inhaling fungal spores, not just ingestion. Avoiding massive fungal dust exposure is crucial for preventing recurrent lung toxicity.

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    Area of Science:

    • Mycology
    • Pulmonology
    • Toxicology

    Background:

    • Mycotoxicosis is typically defined as toxic reactions from ingested fungal toxins.
    • Recent observations suggest inhalation of fungi may also cause toxic pulmonary reactions.

    Purpose of the Study:

    • To investigate a potential toxic pulmonary reaction in patients who inhaled massive amounts of fungi.
    • To understand the characteristics and prevention of this pulmonary mycotoxicosis.

    Main Methods:

    • Observation of ten patients with suspected toxic pulmonary reaction after fungal inhalation.
    • Immunologic testing for fungal antigen sensitivity.
    • Histologic examination of lung biopsy samples.
    • Fungal cultures from lung biopsy specimens.

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  • Follow-up evaluation over one to ten years.

    • Main Results:

    • Patients exhibited a multi-focal acute pulmonary process with spore involvement in terminal bronchioles.
    • Immunologic studies showed no specific fungal antigen sensitivity.
    • Lung biopsies revealed multiple fungal organisms.
    • Recurrent episodes were linked to massive reexposure to fungal dust.

    Conclusions:

    • Inhaled fungi can cause toxic pulmonary reactions (pulmonary mycotoxicosis).
    • Histological and culture findings support fungal involvement in the lung pathology.
    • Preventing recurrent disease hinges on avoiding significant exposure to airborne fungal particles.