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Related Experiment Videos

Canary fancier's lung.

P P Sutton, A Pearson, R M du Bois

    Clinical Allergy
    |September 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Extrinsic allergic alveolitis can occur from pet birds, even with negative avian antibody tests. Canary-specific antibodies confirmed hypersensitivity in a patient with bird-related lung disease.

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    Area of Science:

    • Pulmonary Medicine
    • Immunology
    • Environmental Health

    Background:

    • Extrinsic allergic alveolitis (EAA) is a hypersensitivity pneumonitis caused by inhaled antigens.
    • Avian antigens from pet birds are a known cause of EAA.
    • Diagnosis can be challenging, especially when initial serological screening is negative.

    Observation:

    • A 54-year-old man presented with symptoms suggestive of EAA after exposure to pet birds.
    • Serum screening for general avian precipitating antibodies was negative.
    • However, specific precipitins for canaries were detected in his serum.

    Findings:

    • The patient was diagnosed with extrinsic allergic alveolitis.
    • The causative agent was identified as his pet canaries.

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  • Inhalation challenge testing confirmed the diagnosis and identified the specific allergen.

    • Implications:

    • This case highlights the importance of considering specific avian species in suspected EAA, even with negative broad avian antibody tests.
    • Canary-specific antibody testing can be crucial for diagnosing EAA in bird owners.
    • Prompt diagnosis and antigen avoidance are essential for managing EAA and preventing chronic lung damage.