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Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... - Imaging: • CXR ... and GG pattern, ... #Pneumonia #COP ... #diagnosis #management
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
pneumonia (OP) ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
bilateral peripheral consolidations ... Patients with OP ... #Clinical #Radiology ... #CTChest #COP # ... RheumatoidArthritis #ILD
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing ... pneumonia (COP) ... COP. ... #Clinical #Radiology ... #HRCT #CTChest
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... of OP. ... #Clinical #Radiology ... #CTChest #COP # ... #Pneumonia #ILD
Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... - Multifocal ill-defined ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
bilateral peripheral consolidations ... this was also organizing ... #Clinical #Radiology ... #CTChest #COP # ... #Pneumonia #ILD
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
with multifocal consolidations ... of chronic consolidation ... (OP) also known ... #Clinical #Radiology ... #CXR #Peripheral
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... diseases like organizing ... pneumonia (OP) ... #Diagnosis #Radiology ... #Pulmonary #CXR
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... was cryptogenic organizing ... pneumonia (COP) ... this #Clinical #Radiology ... #CTChest #COP #