15 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The key findings ... #Clinical #Radiology ... #CXR #CTChest # ... #HypersensitivityPneumonitis ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... basis of HRCT findings ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... very similar HRCT findings ... throughout the whole lung ... #CTChest #UIP # ... #ILD #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 ... or interstitial lung ... Hypersensitivity pneumonitis ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... combinations of fibrosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
The findings on ... volume loss and fibrotic ... #CXR #CTChest # ... #Interstitial #Pneumonitis ... Reticular #ILD #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... LAM is a rare lung ... airways leading to pulmonary ... #CXR #Pneumothorax ... #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
The key findings ... opacity due to lung ... #CTChest #Hypersensitivity ... #Pneumonitis #HypersensitivityPneumonitis ... Centrilobular #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
mid and lower lung ... on the imaging findigs ... #CTChest #Chronic ... #HypersensitivityPneumonitis ... #Fibrosis #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... in interstitial lung ... in many cases UIP ... #Pulmonary #CXR ... #Differential #RadiologyAssistant