15 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
end-stage with massive fibrosis ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Pattern #Comparison #Table ... #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 ... #Fibrosis #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia (COP), chronic ... pneumonia and UIP ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... similar HRCT findings ... In chronic HP fibrotic ... Diagnosis #Radiology #CTChest ... #ILD #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
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... On a chest X-ray ... A HRCT is needed ... attributed to chronic ... #Honeycombing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... in many cases UIP ... Interstitial #Pattern #Differential ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... listed in the table ... morphologic findings on HRCT ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... Even fibrosis as ... in UIP, NSIP and ... Consolidation #Differential ... #RadiologyAssistant
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... areas of ground-glass ... abnormalities and signs of fibrosis ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant