19 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
hyperaerated secondary nodules ... and secondry nodules ... #Clinical #Radiology ... #CXR #CTChest # ... #Fibrosis #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... #Clinical #Radiology ... #CTChest #UIP # ... #Interstitial #Pneumonitis ... LowerLungPredominance #ILD #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... CT demonstrates ... in the proper clinical ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... Fibrosis #Mimic #ILD #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... opacity due to lung ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... Centrilobular #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
a patient with UIP ... changes in the basal lung ... #Clinical #Radiology ... #Interstitial #Pneumonitis ... Reticular #ILD #RadiologyAssistant
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
centrilobular nodules ... bronchiolitis, aspiration pneumonitis ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
nodules or a mass ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
Here a typical chest ... diagnosis includes chronic ... hypersensitivity pneumonitis ... #Clinical #Radiology ... Sarcoidosis #Fibrosis #RadiologyAssistant