UIP with honeycombing (left) and chronic HP (right)
Differential ...
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Description

UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in smokers, upper lobe predilection, usually associated with centrilobular emphysema.
- Alveolar proteinosis.
Chronic stage:
- UIP: may show very similar HRCT findings. 
- UIP has a strong lower zone distribution.
In chronic HP fibrotic changes are typically seen throughout the whole lung parenchyma from the periphery towards the centrum. #Clinical #Diagnosis #Radiology #CTChest #UIP #Comparison #Chronic #HypersensitivityPneumonitis #Fibrosis #Mimic #ILD #RadiologyAssistant
Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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