15 results
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Cryptogenic organizing ... pneumonia (COP) ... #Clinical #Radiology ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
pneumonia. ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing ... #ILD #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
mainly seen in cryptogenic ... organizing pneumonia ... (COP), chronic ... #Diagnosis #Radiology ... Central #Peripheral #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
pneumonia, but ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
pneumonia (OP) ... OP is organizing ... idiopathic it is called cryptogenic ... (COP). ... Differential #Table #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing ... #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
organizing pneumonia ... (COP). ... this #Clinical #Radiology ... #CTChest #COP # ... #RadiologyAssistant
Drug-induced organizing pneumonia is commonly caused by Bleomycin and Cyclophosphamide and other drugs like Methotrexate, Amiodarone,
Drug-induced organizing ... the same as in cryptogenic ... organizing pneumonia ... #Clinical #Radiology ... OrganizingPneumonia #RadiologyAssistant
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
adenocarcinoma in situ; COP ... , cryptogenic organising ... pneumonia; LPA, ... ; OP, organising ... Diagnosis #Pulmonary #Radiology
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the diagnosis of organizing ... pneumonia (OP) ... #Clinical #Radiology ... #Distribution #Organizing ... #BOOP #RadiologyAssistant