29 results
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
fibrosis, in part ... computerised tomography; ILD ... fibrosis; UIP = ... usual interstitial pneumonitis ... #Fibrosis
Typical UIP with honeycombing and traction bronchiectasis in a patient with idiopathic pulmonary fibrosis (IPF) #Clinical
with idiopathic pulmonary ... fibrosis (IPF) ... #Clinical #Radiology ... #CTChest #UIP # ... IPF #ILD #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Fibrosis and parenchymal ... existing irreversible fibrosis ... #Clinical #Radiology ... #CXR #CTChest # ... HypersensitivityPneumonitis #Chronic #Fibrosis
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
bronchiectasis due to fibrosis ... lymphadenopathy #Clinical #Radiology ... #CTChest #UIP # ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... result of massive fibrosis ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
traction-bronchiectasis due to the fibrosis ... #Clinical #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... disease (i.e. fibrosis ... Hypersensitivity pneumonitis ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Hypersensitivity Pneumonitis ... Chronic Eos PNA, Fibrosis ... Fibrosis, RA, Scleroderma ... Aspiration, Cystic Fibrosis ... #radiology
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... Clinical #Diagnosis #Radiology ... #CTChest #UIP # ... HypersensitivityPneumonitis #Fibrosis ... #Mimic #ILD #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant