CTICasesChronic Hypersensitivity Pneumonitis (Bird Fancier's Lung)
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Imaging findings
Patchy ground-glass opacity throughout the lungs, areas of mosaic attenuation with a lobular distribution suggesting air trapping, peripheral reticulation, and architectural distortion. No expiration views were available.
Key takeaways
A classic case of chronic hypersensitivity pneumonitis in a bird fancier, demonstrating typical imaging findings. The patient had to get rid of their pet birds for improvement.
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