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Here are the most common examples of these four patterns on a chest x-ray (click image
- Multifocal ill-defined ... interstitial opacities ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology ... #Patterns #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... This was a consolidation ... caused by Sterptococcus ... #Clinical #Radiology ... SilhouetteSign #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 ... weight loss or long ... of chronic consolidation ... #Clinical #Radiology ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... Unknown • 6-7 cases ... opacities, Unilateral consolidation ... • HRCT: patchy consolidation ... BOOP #pulmonary #ILD
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... this is nodular interstitial ... lung disease, that ... Clinical #Diagnosis #Radiology ... #Causes #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... indicates unknown cause ... #Diagnosis #Radiology ... #ILD #Findings ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
usually multiple ill-defined ... caused by streptococcus ... The old name is ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... with multifocal consolidations ... masses. ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
or multifocal ill-defined ... opacities. 2- Interstitial ... #Diagnosis #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
bilateral peripheral consolidations ... in the former case ... also organizing pneumonia ... #Clinical #Radiology ... #ILD #RadiologyAssistant