16 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... bronchiectasis, no honeycombing ... result of massive fibrosis ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern #Comparison
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
idiopathic pulmonary fibrosis ... HRCT = high-resolution ... ; UIP = usual interstitial ... pneumonitis ... #IPF #UIP #Algorithm
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... on the CXR. ... A HRCT is needed ... Here a CXR with ... HRCT demonstrated
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... UIP Honeycombing ... bronchiectasis due to fibrosis ... Radiology #CTChest #UIP ... #Interstitial #Pneumonitis
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Fibrosis and parenchymal ... The HRCT shows a ... existing irreversible fibrosis ... Clinical #Radiology #CXR ... HypersensitivityPneumonitis #Chronic #Fibrosis
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... Hypersensitivity Pneumonitis ... show very similar HRCT ... In chronic HP fibrotic ... #Comparison #Chronic
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Lung cysts (LAM, LIP ... Bronchiectasis - Honeycombing ... on the basis of HRCT ... Differential #Diagram #Comparison ... #Honeycombing #
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... The HRCT demonstrates ... honeycombing and ... Clinical #Radiology #CXR ... #UIP #CTChest #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... histiocytosis or honeycombing ... in many cases UIP
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... idiopathic pulmonary fibrosis ... artifact); (G) UIP ... bronchiectasis, and honeycombing ... Clinical #Diagnosis #HRCT