39 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas ... Fibrosis and parenchymal ... and intralobular reticular ... Radiology #CXR #CTChest ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidations Interstitial ... - Reticular interstitial ... - Fine Nodular interstitial ... Consolidation #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: reticular ... On a Chest X-Ray ... detected on a chest ... presents as a reticular ... #Differential #RadiologyAssistant
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... Ulcers, Livedo reticularis ... tends to cause interstitial ... disease/pulmonary fibrosis ... pathophysiology #signs
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... HRCT as seen in fibrosis ... disease (i.e. fibrosis ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... result of massive fibrosis ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... end-stage with massive fibrosis ... presenting as areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular ... interstitial pattern ... Radiology #CXR #UIP #CTChest ... #Reticular #Interstitial ... TractionBronchiectasis #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
by fluid, fibrous ... in a pattern of reticular ... Pulmonary #HRCT #CTChest ... #Reticular #SeptalThickening ... #Differential #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... Radiology #CXR #CTChest ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #Reticular ... #ILD #RadiologyAssistant