12 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... - Imaging: • CXR ... • HRCT: patchy consolidation ... - Diagnosis: ... #ILD #diagnosis
Here are the most common examples of these four patterns on a chest x-ray (click image
Interstitial - ... Reticular interstitial ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the differential diagnosis ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... Cryptogenic organizing pneumonia ... Sarcoidosis end-stage: consolidation ... COP. ... #Clinical #Radiology
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... (OP) - multiple ... this is nodular interstitial ... #Clinical #Diagnosis ... #Radiology #CXR
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... (OP) or chronic ... eosinophilic pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
carcinoma, the diagnosis ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing #Pneumonia
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
with multifocal consolidations ... of chronic consolidation ... (OP) also known ... #Clinical #Radiology ... #CXR #Peripheral
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Lymphangitic Carcinoma, Interstitial ... , COP, Chronic Eos ... Hemorrhage, Edema • Consolidation ... #pulmonary #radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... , non-specific interstitial ... pneumonia; OP, ... lesions, lobular consolidation