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Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... - Multifocal ill-defined ... Interstitial - Reticular ... Atelectasis #Diagnosis #Clinical ... #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... low attenuation (table ... pattern can be ... #Pattern #Differential
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... to look at the pattern ... more than one pattern ... #Table #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... #Clinical #Radiology ... 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 ... opacities. 2- Interstitial ... fine or coarse reticular ... #Patterns #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... - Differential ... Lymphangitic Carcinoma, Interstitial ... Hemorrhage, Edema • Consolidation ... HighRes #Chest #CT #Patterns
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... opacities, Unilateral consolidation ... and GG pattern, ... • HRCT: patchy consolidation ... BOOP #pulmonary #ILD
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... has a limited differential ... diagnosis (Table ... SeptalThickening #Differential
Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications
- Crazy paving pattern ... : reticular pattern ... ground glass to consolidation ... transported to the interstitium ... #Clinical #Radiology