232 results
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
consolidation due to a pneumonia ... Sterptococcus pneumoniae ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... is interstitial pneumonia ... PCP Mycoplasma pneumonia ... #Interstitial #Pneumonia ... #PJP #RadiologyAssistant
Community Acquired Pneumonia (CAP) - Microbiology
 • Typicals: Strep pneumoniae, H influenzae, Moraxella catarrhalis, Staph aureus,
Community Acquired Pneumonia ... Typicals: Strep pneumoniae ... Legionella, Mycoplasma pneumoniae ... , Chlamydia pneumoniae ... #Microbiology #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... , Cryptococcal pneumonia ... Aspergillus Pneumonia ... - 20% of pneumonias ... AIDS #pulmonary #differential
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
common & convincing pneumonia ... Acute eosinophilic pneummia ... Cryptogeric organizing pneumonia ... PIP), Fungal pneumonia ... #Mimics #Differential
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... HRCT #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... pathogens causing pneumonia ... for enumerating differentials ... FACTOR): - S. pneumoniae ... #Differential #
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 ... an acute lobar pneumonia ... by Streptcoccus pneumoniae ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to think of the differential ... are organizing pneumonia ... Diffuse #Multifocal #Differential ... #Table #RadiologyAssistant
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
diagnosis is lobar pneumonia ... table lists the differential ... Consolidation #Differential ... #RadiologyAssistant