48 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... atenuation and areas ... Radiology #CXR #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... Chronic #Fibrosis #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
dyspnoe and a normal chest ... shows lobular areas ... Clinical #Radiology #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... #Resolution #RadiologyAssistant
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
Clinical #Radiology #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... Centrilobular #RadiologyAssistant
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
Clinical #Radiology #CTChest ... #Pneumonitis #HypersenstitivityPneumonitis ... Centrilobular #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
the well defined areas ... Clinical #Radiology #CTChest ... RBILD #Comparison #HypersensitivityPneumonitis ... #ILD #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Here another case of subacute hypersensitivity pneumonitis.
There is subtle opacity in the centre of the secondary
Clinical #Radiology #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... Centrilobular #RadiologyAssistant
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
Clinical #Radiology #CTChest ... #Pneumonitis #HypersensitivityPneumonitis ... #GroundGlass #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant