13 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pattern with areas ... The HRCT shows a ... mosaic pattern ... #Clinical #Radiology ... #Fibrosis #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... result of massive fibrosis ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
It is usually easy to recognize the pattern of UIP on HRCT. #Clinical #Radiology #CTChest #UIP
recognize the pattern ... of UIP on HRCT. ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #ILD ... #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... end-stage with massive fibrosis ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... UIP Honeycombing ... bronchiectasis due to fibrosis ... UsualInterstitialPneumonitis #Usual #Interstitial ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... as seen in fibrosis ... in ground glass pattern ... predominance: UIP ... #Differential #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
fibrosis. ... attributed to chronic ... #Clinical #Radiology ... #Interstitial # ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... morphologic findings on HRCT ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Subacute stage: - RB-ILD ... similar HRCT findings ... In chronic HP fibrotic ... Comparison #Chronic ... #Mimic #ILD #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... lobes and some mosaic ... pattern as the ... abnormalities and signs of fibrosis ... #RadiologyAssistant