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Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
Pleural effusion ... a patient with signs ... #Clinical #Radiology ... #CXR #CHF #Pleural ... SubpulmonicEffusion #RadiologyAssistant
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
scarring with pleural ... - Loculated effusion ... effusion • Atelectasis ... xray #clinical #radiology ... #CXR
Pleural effusion is bilateral in 70% of cases of CHF.
When unilateral, it is slightly more often
Pleural effusion ... If pleural effusion ... #Clinical #Radiology ... #CXR #CHF #Pleural ... #RadiologyAssistant
On the left another patient with a large cardiac silhouette on the chest x-ray due to
to pericardial effusion ... Pericardial effusion ... CT-reconstruction #Clinical #Radiology ... #CXR #CTChest # ... PericardialEffusion #RadiologyAssistant
Pleural fluid
It takes about 200-300 ml of fluid before it comes visible on an CXR (figure).
About
visible on an CXR ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Effusion #Hidden ... Volume #Diagram #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural ... effusion; sometimes ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
On a lateral image of CXR effusion of > 75 ml could be visible- where there
lateral image of CXR ... effusion of > 75 ... least 175 ml of pleural ... PleuralEffusion #CXR ... ChestXRay #Clinical #Radiology
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... #Clinical #Radiology ... #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
#Clinical #Radiology ... #CXR #CTChest # ... FingerInGlove #Sign ... #RadiologyAssistant
Pleural fluid may become encysted.
Here we see fluid entrapped within the fissure.
This can sometimes give the
Pleural fluid may ... #Clinical #Radiology ... #CXR #Lateral # ... Effusion #Fissure ... #Pseudotumor #RadiologyAssistant