25 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... end-stage with massive fibrosis ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Comparison #Table #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
chronic eosinophilic pneumonia ... and UIP. ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... morphologic findings on HRCT ... findings of NSIP, UIP ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing pneumonia ... result of massive fibrosis ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Comparison #Table #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 ... Radiology #Pulmonary #CTChest ... #GroundGlass #Differential ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas ... Fibrosis and parenchymal ... The HRCT shows a ... Radiology #CXR #CTChest ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Lung cysts (LAM, LIP ... on the basis of HRCT ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... show very similar HRCT ... In chronic HP fibrotic ... Diagnosis #Radiology #CTChest ... #Mimic #ILD #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 ... Clinical #Radiology #CTChest ... Pneumonitis #ILD #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial pneumonia ... with subsequent fibrosis ... aswell as the HRCT ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant