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Cryptogenic Organizing Pneumonia (COP) - Summary

Andrew Sanchez M.D. @ASanchez_PS

#Cryptogenic #Organizing #Pneumonia #COP #pulmonary #diagnosis
Cryptogenic Organizing ... #Cryptogenic #Organizing
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Cryptogenic Organizing ... Idiopathic form of organizing ... Cryptogenic Organizing ... Cryptogenic Organizing
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
as a result of organizing ... #Cryptogenic #Organizing
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
this was also organizing ... #Cryptogenic #Organizing
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the diagnosis of organizing ... #Distribution #Organizing
Cryptogenic Organizing Pneumonia - Illness Script

PATHOPHYSIOLOGY: Unknown trigger, reversible inflammatory/fibroproliferative process. Polypoid fibroblastic aggregates that plug
Cryptogenic Organizing ... diagnosis + path w/ organizing ... #Cryptogenic #Organizing
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
of cryptogenic organizing ... #Cryptogenic #Organizing
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Other examples are organizing ... OP is organizing ... Bronchiolitis Obliterans Organizing
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
Cryptogeric organizing
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
in cryptogenic organizing