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Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... Pneumonia - Clinical ... Rare: pleural effusions ... pneumonia, Chronic eosinophilia ... BOOP #pulmonary #ILD
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
as a result of organizing ... #Clinical #Radiology ... #CTChest #COP # ... RheumatoidArthritis #ILD ... #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
this was also organizing ... #Clinical #Radiology ... #CTChest #COP # ... #Pneumonia #ILD ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
There was no eosinophilia ... pneumonia (OP) ... #Clinical #Radiology ... #Distribution #Organizing ... OrganizingPneumonia #BOOP #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
and chronic eosinophilic ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
small pleural effusions ... #Clinical #Radiology ... #CTChest #COP # ... #Pneumonia #ILD ... #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
was cryptogenic organizing ... pneumonia (COP) ... look like this #Clinical ... #Radiology #CTChest ... OrganizingPneumonia #RadiologyAssistant