16 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
in cryptogenic organizing ... pneumonia (COP) ... chronic eosinophilic pneumonia ... #Diagnosis #Radiology ... Central #Peripheral #RadiologyAssistant
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
as a result of organizing ... pneumonia. ... #Clinical #Radiology ... #CTChest #COP # ... #ILD #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
pneumonia (OP) ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... Differential #Table #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 # ... #Pneumonia #ILD ... #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... #Pneumonia #ILD ... #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lymphoid interstitial pneumonia ... OP: organizing pneumonia ... usual interstitial pneumonia ... LungDisease #CTILD #Diagnosis ... #Differential #Comparison
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the differential diagnosis ... of organizing pneumonia ... (OP) also known ... #Clinical #Radiology ... #BOOP #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... diseases like organizing ... pneumonia (OP) ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... , cryptogenic organising ... ; OP, organising ... #Radiology #RHS