12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Cysts #Differential ... Comparison #Table #RadiologyAssistant
Congenital absence of the pericardium: 
- CXR: leftward shift of the cardiac silhouette, Snoopy sign, no
silhouette, Snoopy sign ... in a posterior position ... #pericardium #clinical ... #cardiology #chestxray ... #cxr #radiology
There are about a dozen x-ray findings, but two of them are especially important: Loss of
and the calcium sign ... is considered a positive ... #Clinical #Diagnosis ... #Radiology #CXR ... #ChestXRay #Aortic
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
a patient with signs ... there is a high position ... #Clinical #Radiology ... #CXR #CHF #Pleural ... SubpulmonicEffusion #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
- High position ... #Clinical #Radiology ... #CXR #Lateral # ... Collapse #Luftsichel #Sign ... LuftsichelSign #RadiologyAssistant
Recognition of a pneumothorax depends on the volume of air in the pleural space and the
space and the position ... A sign to look for ... #Clinical #Radiology ... #CXR #Pneumothorax ... #RadiologyAssistant
On the left a patient with CHF. 
There is an increase in heart size compared to
Other signs of CHF ... magnification and high position ... #Clinical #Radiology ... #CXR #CHF #Exacerbation ... #Comparison #RadiologyAssistant
Pericardial Hemangioma on Echocardiogram (PLAX)
DDx on this para-aortic pericardial mass? 
Radiologist on CT: “No enchancement on
ECHO appearance differentials ... favour pericardial cyst ... avid lesions CMR ... Echocardiogram #PLAX #pocus ... #clinical #cardiology
Dilation of the azygos vein is a sign of increased right atrial pressure and is usually
azygos vein is a sign ... In the standing position ... #Clinical #Radiology ... #CXR #CHF #Azygous ... AzygousVein #Dilatation #RadiologyAssistant