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Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... Consolidation - ... - Multifocal ill-defined ... Atelectasis #Diagnosis #Clinical ... #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Chronic diseases are ... usually multiple ill-defined ... Other examples are ... The old name is ... Differential #Table #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
differentiate between acute ... post-obstructive pneumonia ... like organizing pneumonia ... #Acute #Chronic ... #Differential #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
x-ray there is an ill-defined ... In the proper clinical ... causes of chronic consolidation ... This was an acute ... #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
bilateral peripheral consolidations ... also organizing pneumonia ... #Clinical #Radiology ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
ill-defined and ... with multifocal consolidations ... diagnosis of chronic consolidation ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
demarcated. - Consolidations ... cryptogenic organizing pneumonia ... #Clinical #Radiology ... Cryptogenic #Organizing #Pneumonia ... #ILD #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
considered, like acute ... chronic illness, clinical ... Lobar pneumonia ... Organizing pneumonia ... #Causes #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... • Hemoptysis - rare ... opacities, Unilateral consolidation ... • HRCT: patchy consolidation ... BOOP #pulmonary #ILD
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
bilateral peripheral consolidations ... of organizing pneumonia ... #Clinical #Radiology ... RheumatoidArthritis #ILD ... #RadiologyAssistant