13 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... #Clinical #Radiology ... #CXR #CTChest # ... #Pneumonitis #HypersensitivityPneumonitis ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
centrilobular nodules ... #Radiology #CTChest ... #Hypersenstitivity ... #Pneumonitis #HypersenstitivityPneumonitis ... Centrilobular #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
(left) shows lobular ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... #Pneumonitis #HypersensitivityPneumonitis ... #Resolution #RadiologyAssistant
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
opacities are more nodular ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... #Pneumonitis #HypersensitivityPneumonitis ... #RadiologyAssistant
Here another case of subacute hypersensitivity pneumonitis.
There is subtle opacity in the centre of the secondary
#Clinical #Radiology ... #CTChest #Hypersensitivity ... #Pneumonitis #HypersensitivityPneumonitis ... #Nodular #Subacute ... Centrilobular #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
are confluent, HRCT ... #Clinical #Radiology ... #CTChest #GGO # ... MosaicAttenuation #Mosaic #HypersenstitivityPneumonitis ... #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... #Pneumonitis #HypersensitivityPneumonitis ... Centrilobular #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Pneumonitis. ... show very similar HRCT ... Clinical #Diagnosis #Radiology ... #CTChest #UIP # ... #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 ... bronchiectasis due to fibrosis ... lymphadenopathy #Clinical #Radiology ... #CTChest #UIP # ... #ILD #RadiologyAssistant