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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
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Dyspnea+, Pleuritic Chest ... Pneumonia (CEP) ... - Peripheral Consolidations ... #pulmonary
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... - Multifocal ill-defined ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... #Clinical #Radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
lobar pneumonia caused ... ) and chronic eosinophilic ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... organizing pneumonia (COP ... polyangiitis, Eosinophilic ... #diagnosis #differential ... #pulmonary #causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... pneumonia, Chronic eosinophilia ... pneumonia, Pulmonary ... #BOOP #pulmonary ... #ILD #diagnosis
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 ... this #Clinical #Radiology ... #CTChest #COP #
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... Organizing pneumonia (OP ... #Clinical #Diagnosis ... #Radiology #CXR
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
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Consolidation is ... you think of the causes ... the alveoli and cause ... #Diagnosis #Radiology ... #Pulmonary #CTChest