19 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... Unknown • 6-7 cases ... Anti-dsDNA, ANCA COP ... eosinophilia pneumonia ... #Pneumonia #COP
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
On the left a case ... and an abnormal chest ... Like in COP we see ... #Clinical #Radiology ... #CTChest #Eosinophilic
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
in cryptogenic organizing ... pneumonia (COP) ... , chronic eosinophilic ... pneumonia and UIP ... #Diagnosis #Radiology
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
as a result of organizing ... pneumonia. ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... pneumonia (OP) ... and chronic eosinophilic ... OP is organizing ... called cryptogenic (COP
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... ), Cryptogenic organizing ... pneumonia (COP) ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
in the former case ... pneumonia, but ... #Clinical #Radiology ... #CTChest #COP # ... #Pneumonia #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
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... was cryptogenic organizing ... pneumonia (COP) ... this #Clinical #Radiology ... #CTChest #COP #
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
multiple ill-defined masses ... There was no eosinophilia ... pneumonia (OP) ... #Clinical #Radiology ... #Distribution #Organizing