13 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... Cryptogenic ... Anti-dsDNA, ANCA COP ... Pulmonary lymphoma, Diffuse ... Organizing #Pneumonia #COP
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... organizing pneumonia (COP ... Central #Peripheral #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
distribution: - Diffuse ... they may become diffuse ... 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
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
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... the diagnosis of cryptogenic ... Radiology #CTChest #COP ... #Cryptogenic #Organizing ... Pneumonia #ILD #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
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
diagnosis was cryptogenic ... organizing pneumonia (COP ... Radiology #CTChest #COP ... #Cryptogenic #OrganizingPneumonia ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... the nodules are diffuse ... #Differential #Algorithm ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic or cryptogenic ... of NSIP, UIP, OP ... ILD #Findings #RadiologyAssistant