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The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... consolidation due to a pneumonia ... Sterptococcus pneumoniae ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... responses of the lung ... and interstitial pneumonia ... involvement of the lung ... ILD #Findings #RadiologyAssistant
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
Cavitation - Pneumonia ... the consolidated lung ... seen in viral pneumonia ... streptococcus pneumoniae ... CavitaryPneumonia #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... it is seen in pneumonias ... seen in chronic lung ... #Differential #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
post-obstructive pneumonia ... - Lung neoplasms ... like organizing pneumonia ... chronic eosinophilic pneumonia ... #Differential #RadiologyAssistant
These images are of a patient who had widespread bronchopneumonia and was on ventilation.
During follow up
plug the left lung ... Radiology #CXR #Total #Lung ... #Collapse #Pneumonia ... MucousPlugging #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... excludes eosinophilic pneumonia ... of organizing pneumonia ... Distribution #Organizing #Pneumonia ... OrganizingPneumonia #BOOP #RadiologyAssistant
Here a typical lobar consolidation.
First study the images, then continue reading.
The findings are:
increased density with ill-defined
borders in the left lung ... in Klebsiella pneumoniae ... Streptococcus pneumoniae ... , TB and lung cancer ... #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... Organizing pneumonia ... nodular interstitial lung ... Consolidation #Causes #RadiologyAssistant
On a normal lateral chest film the silhouette of the left diaphragm 2- can be seen
bordered by the lung ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant