60 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
(COP) Cryptogenic ... Anti-dsDNA, ANCA COP ... Treatment: • Mild ... #COP #BOOP #pulmonary ... #ILD #diagnosis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Idiopathic Interstitial Pneumonias ... Cryptogenic organizing pneumonia ... (COP), Respiratory ... Acute interstitial pneumonia ... • Eosinophilic pneumonia
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
usually multiple ill-defined ... OP is organizing ... called cryptogenic (COP ... The old name is ... Differential #Table #RadiologyAssistant
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
of organizing pneumonia ... Radiology #CTChest #COP ... Cryptogenic #Organizing #Pneumonia ... RheumatoidArthritis #ILD ... #RadiologyAssistant
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
H. influenzae (COPD ... Pseudomonas — COPD ... structural lung dsease ... Legionella spp (COPD ... (COPD, smoking)
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cryptogenic organizing pneumonia ... (COP), chronic ... eosinophilic pneumonia ... Central #Peripheral #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
restricted to areas ... cryptogenic organizing pneumonia ... Radiology #CTChest #COP ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... x-ray there is an ill-defined ... lobar or segmental pneumonia ... an acute lobar pneumonia ... #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
also organizing pneumonia ... Radiology #CTChest #COP ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... and interstitial pneumonia ... of NSIP, UIP, OP ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant