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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
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... smoking. structural lung ... Burkholderia — structural lung ... dsease) - Anaerobes ... MAC (structural lung
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... with peripheral areas ... Chronic eosinophilic pneumonia ... Pattern #Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... responses of the lung ... involvement of the lung ... listed in the table ... ILD #Findings #RadiologyAssistant
Point-of-care lung ultrasound for diagnosis of Pneumocystis jirovecii pneumonia: notes from the field
Table 3: Description of
Point-of-care lung ... Pneumocystis jirovecii pneumonia ... from the field Table ... Description of lung ... Pneumocystis #jirovecii #Pneumonia
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... lobar or segmental pneumonia ... weight loss or long ... an acute lobar pneumonia ... #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
masses is very long ... listed in the table ... Management #Radiology #Lung ... #Differential #RadiologyAssistant
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
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Main Lung Ultrasound ... defined spared areas ... superimposed bacterial pneumonia ... COVID19 #POCUS #Lung ... Ultrasound #Comparison #Table
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... streptococcus pneumoniae ... are organizing pneumonia ... #Differential #Table ... #RadiologyAssistant