13 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... atenuation and areas ... Fibrosis and parenchymal ... Radiology #CXR #CTChest ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... result of massive fibrosis ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... Clinical #Radiology #CTChest ... UsualInterstitialPneumonitis #Usual ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... Clinical #Radiology #CTChest ... UsualInterstitialPneumonitis #Usual ... #Interstitial #Pneumonitis ... LowerLungPredominance #ILD #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
bronchiectasis due to fibrosis ... Clinical #Radiology #CTChest ... UsualInterstitialPneumonitis #Usual ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... end-stage with massive fibrosis ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural effusion ... low attenuation areas ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... Radiology #CXR #CTChest ... UsualInterstitialPneumonitis #Usual ... #Interstitial #Pneumonitis ... Reticular #ILD #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... In chronic HP fibrotic ... Diagnosis #Radiology #CTChest ... #UIP #Comparison ... #Mimic #ILD #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
hypersensitivity pneumonitis ... Signs of fibrosis ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis ... #RadiologyAssistant