14 results
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
and mediastinal lymphadenopathy ... paratracheal and bilateral ... adenopathy ('1-2-3-sign ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... looking at the lateral ... to a pneumonia caused ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
Another common cause of displacement of the azygoesophageal line is subcarinal lymphadenopathy.
Notice the displacement of the
Another common cause ... is subcarinal lymphadenopathy ... #Clinical #Radiology ... #CXR #Lateral # ... #Displacement #RadiologyAssistant
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
in fact this is caused ... the luft sichel sign ... #Clinical #Radiology ... #CXR #Lateral # ... LuftsichelSign #RadiologyAssistant
Pleural effusion is bilateral in 70% of cases of CHF.
When unilateral, it is slightly more often
in 70% of cases ... of CHF. ... #Clinical #Radiology ... #CXR #CHF #Pleural ... PleuralEffusion #RadiologyAssistant
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
In these cases, ... a patient with signs ... of CHF. ... #Clinical #Radiology ... SubpulmonicEffusion #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
the silhouette sign ... we will discuss later ... may be due to lymphadenopathy ... Clinical #Anatomy #Radiology ... ParatrachealStripe #RadiologyAssistant
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Photophobia • Nausea ... unilateral or bilateral ... Acute meningeal signs ... suffusion • Lymphadenopathy ... or urine culture
Enlargement of the hili is usually due to lymphadenopathy or enlarged vessels.
In this case there is
usually due to lymphadenopathy ... known as the 1-2-3 sign ... #Clinical #Radiology ... #Sarcoidosis #Lymphadenopathy ... ParatrachealStripe #RadiologyAssistant
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
produces a silhouette sign ... The lateral view ... helpful in such cases ... #Clinical #Radiology ... Pectus #Excavatum #RadiologyAssistant