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Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... - Multifocal ill-defined ... Nodule - Multiple Masses ... Atelectasis #Diagnosis ... #Clinical #Radiology
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
On the left a case ... Like in COP we see ... non-segmental consolidations ... #Clinical #Radiology ... #CTChest #Eosinophilic
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... lobar pneumonia caused ... ) and chronic eosinophilic ... called cryptogenic (COP ... #Diagnosis #Radiology
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Chronic eosinophilic ... Chronic eosinophilic ... #Clinical #Radiology ... #HRCT #CTChest
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Sarcoidosis end-stage: consolidation ... COP. ... #Clinical #Radiology ... #HRCT #CTChest
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Organizing Pneumonia - Clinical ... and GG pattern, ... pneumonia, Chronic eosinophilia ... BOOP #pulmonary #ILD
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... with chronic consolidation ... The final diagnosis ... look like this #Clinical ... #Radiology #CTChest
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
of OP. ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
bilateral peripheral consolidations ... Patients with OP ... #Clinical #Radiology ... #CTChest #COP # ... RheumatoidArthritis #ILD
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
with multifocal consolidations ... masses. ... of chronic consolidation ... organizing pneumonia (OP ... #Clinical #Radiology