16 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse ... Organizing #Pneumonia #COP ... BOOP #pulmonary #ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... idiopathic it is called cryptogenic ... (COP). ... Differential #Table #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Cryptogenic organizing ... pneumonia (COP) ... COP. ... Comparison #Table #RadiologyAssistant
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
Patients with OP ... Radiology #CTChest #COP ... #Cryptogenic #Organizing ... RheumatoidArthritis #ILD ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... consolidation - Multifocal ill-defined ... Consolidation #Patterns ... #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
Radiology #CTChest #COP ... #Cryptogenic #Organizing ... #Pneumonia #ILD ... #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
the diagnosis of cryptogenic ... Radiology #CTChest #COP ... #Cryptogenic #Organizing ... #Pneumonia #ILD ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... idiopathic or cryptogenic ... of NSIP, UIP, OP ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... resulting in lobar, diffuse ... or multifocal ill-defined ... Consolidation #Patterns ... #RadiologyAssistant