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The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
the left heart border ... looking at the lateral ... #Clinical #Radiology ... #CXR #Pneumonia ... #Lingula #SilhouetteSign
First study the CXR.
Notice the subtle increased density in the area behind the heart that needs
First study the CXR ... was a lower lobe pneumonia ... #Clinical #Radiology ... #CXR #LLL #Pneumonia ... #Subtle #SilhouetteSign
First study the CXRs.
There is a subtle consolidation in the left lower lobe in the hidden
First study the CXRs ... #Clinical #Radiology ... #CXR #Pneumonia ... Retrocardiac #SpineSign #SilhouetteSign
On this lateral film there is too much density over the lower part of the spine.
By
The pneumonia does ... not border the ... #Clinical #Radiology ... #CXR #Pneumonia ... SilhouetteSign #
Left Atrium
 - The upper posterior border of the heart is formed by the left atrium.
upper posterior border ... lower posterior border ... #Anatomy #Radiology ... #CXR #Lateral #
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
- Cells - tumor ... streptococcus pneumoniae ... are organizing pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR
Right middle lobe atelectasis
First study the x-rays and then continue reading.
What are the findings?
Blurring of the
the right heart border ... density on the lateral ... #Clinical #Radiology ... #CXR #Lateral # ... Lobar #Collapse #SilhouetteSign
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... specific as in the former ... also organizing pneumonia ... #Clinical #Radiology ... Cryptogenic #Organizing #Pneumonia
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
post-obstructive pneumonia ... like organizing pneumonia ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
Batwing A bilateral ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing #