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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Consolidation - ... - Multifocal ill-defined ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
case of chronic eosinophilic ... and an abnormal chest ... non-segmental consolidations ... #Clinical #Radiology ... #CTChest #Eosinophilic
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
larger ones are ill-defined ... with multifocal consolidations ... possibility of multiple ill-defined ... There was no eosinophilia ... #Clinical #Radiology
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... Chronic eosinophilic ... glass opacity and consolidation ... #Clinical #Radiology ... #HRCT #CTChest
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
that present with consolidation ... usually multiple ill-defined ... OP) and chronic eosinophilic ... The old name is ... #Diagnosis #Radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
present as multiple ill-defined ... air-bronchograms within the ill-defined ... two ill-defined ... which are probably consolidations ... #Clinical #Radiology
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
pneumonia On the chest ... x-ray there is an ill-defined ... In the proper clinical ... causes of chronic consolidation ... #Clinical #Radiology
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
Bilateral peripheral consolidations ... demarcated. - Consolidations ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
Multifocal
Multifocal consolidations are also described as multifocal ill-defined opacities or densities.
In most cases these are the
as multifocal ill-defined ... or multifocal ill-defined ... the underlying pathology ... of multiple ill-defined ... #Diagnosis #Radiology
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
cases with chronic consolidation ... non-segmental consolidations ... In chronic eosinophilic ... look like this #Clinical ... #Radiology #CTChest