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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
on the left in order ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... basis of HRCT findings ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
The findings in ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD ... #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
The findings on ... changes in the basal lung ... #Clinical #Radiology ... Pneumonitis #Reticular #ILD ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... in interstitial lung ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... comparison with old ... #Clinical #Radiology ... Redistribution #RadiologyAssistant
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
Lung infarction ... In pulmonar embolism ... Here we see an old ... #Clinical #Radiology ... PulmonaryEmbolism #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... between these chest ... Pulmonary hemorrhage ... nodular interstitial lung ... Consolidation #Causes #RadiologyAssistant
On the left a case with multiple cysts that are evenly distributed througout the lung (
througout the lung ... was a 40 year old ... combination of findings ... #CTChest #LAM # ... #Pneumothorax #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Subacute stage: - RB-ILD ... very similar HRCT findings ... throughout the whole lung ... #CTChest #UIP # ... #RadiologyAssistant