42 results
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 ... SilhouetteSign #RadiologyAssistant
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 # ... Cardiac #Chambers #RadiologyAssistant
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
vessels #Diagnosis #Radiology ... #Enlargement #Differential ... #Unilateral #Bilateral ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Clinical #Diagnosis #Radiology ... Cystic #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Resonance Imaging (MRI ... #Contrast #CT #MRI ... #POCUS #radiology ... #differential # ... diagnosis #comparison
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
paratracheal and bilateral ... #Diagnosis #Radiology ... Lymphadenopathy #Differential ... #RadiologyAssistant
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 ... #Clinical #Radiology ... Pneumonia #ILD #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... Clinical #Diagnosis #Radiology ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
Batwing A bilateral ... #Diagnosis #Radiology ... #CXR #Batwing #Differential ... #RadiologyAssistant