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Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... • Secondary OP ... - Imaging: • CXR ... Anti-dsDNA, ANCA COP ... #Pneumonia #COP
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
arthritis and bilateral ... peripheral consolidations ... Patients with OP ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... of OP. ... carcinoma, the diagnosis ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... pneumonia (OP) ... OP is organizing ... called cryptogenic (COP ... #Pulmonary #CXR
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest ... Consolidation 7. ... Organizing Pneumonia ... ChestCT #radiology #CTChest ... #diagnosis
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Lung neoplasms ... diseases like organizing ... pneumonia (OP) ... proteinaceous material ... #Pulmonary #CXR
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... peripheral consolidations ... this was also organizing ... Clinical #Radiology #CTChest ... #COP #Cryptogenic
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Organizing pneumonia ... (OP) - multiple ... #Clinical #Diagnosis ... #Radiology #CXR
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... with multifocal consolidations ... of chronic consolidation ... (OP) also known ... Clinical #Radiology #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) ... Clinical #Radiology #CTChest ... #COP #Cryptogenic