14 results
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... - Diffuse consolidation ... - Multifocal ill-defined ... Interstitial - Reticular ... #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... The old name is ... #Differential #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... peripheral areas of consolidation ... glass opacity and consolidation ... HighAttenuation #Pattern ... #Comparison #Table
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... . 1- Consolidation ... resulting in lobar, diffuse ... fine or coarse reticular ... #Patterns #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Sarcoidosis end-stage: consolidation ... HighAttenuation #Pattern ... #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... CTChest #Nodular #Pattern ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... bronchiolitis: ill ... CTChest #Nodular #Pattern ... #Differential #Comparison ... #Table #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... (ground-glass, consolidation ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
opacities, Unilateral consolidation ... and GG pattern, ... • HRCT: patchy consolidation ... Pulmonary lymphoma, Diffuse ... BOOP #pulmonary #ILD
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... and some mosaic pattern ... Reticular abnormalities ... DesquamativeInterstitialPneumonia #ILD