5 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Unknown • 6-7 cases ... CXR: Peripheral distribution ... pneumonia, Chronic ... #ILD #diagnosis
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Chronic diseases ... the pattern of distribution ... lobar pneumonia caused ... OP is organizing ... idiopathic it is called cryptogenic
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonia (NSIP), Cryptogenic ... organizing pneumonia ... (COP), Respiratory ... pneumonia: Acute, Chronic
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... with chronic consolidation ... and peripheral distribution ... organizing pneumonia ... (COP).
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... is a peripheral distribution ... month history of chronic ... pneumonia (OP) ... #Organizing #Pneumonia