231 results
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... caused by Sterptococcus ... pneumoniae. ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
most frequently caused ... The other cause ... nonproductive cough and ... #Clinical #Radiology ... #PJP #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
if this patient had ... include the list of causes ... caused by Streptcoccus ... #Clinical #Radiology ... #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
(PJP), MAI, Cryptococcal ... • CT: Halo sign ... involvement MAI ... Legionella: • Nausea ... factor • May cause
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... The Tree-in-Bud sign ... It is caused by ... bacterial/viral/fungal pneumonia ... diagnosis #clinical #radiology
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... and UIP. ... #Diagnosis #Radiology ... Central #Peripheral #RadiologyAssistant
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... - Infectious and ... • Infectious Causes ... Non-Infectious Causes ... Reverse #Halo #Sign
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... pneumoniae may ... (OP) and chronic ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... indicates unknown cause ... pneumonia refers ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... Chronic eosinophilic pneumonia ... glass opacity and ... consolidation #Clinical #Radiology ... Comparison #Table #RadiologyAssistant