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Here are the most common examples of these four patterns on a chest x-ray (click image
Consolidation - ... Lobar consolidation ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #Patterns #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
Neoplasm with lobar ... - Sarcoidosis ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... Sarcoidosis - at ... #Radiology #CXR ... #Lobar #Consolidation ... #Causes #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
In the proper clinical ... causes of chronic consolidation ... #Clinical #Radiology ... #CXR #AirBronchogram ... #RadiologyAssistant
On the left another patient with a large cardiac silhouette on the chest x-ray due to
Pericardial effusion ... on the coronal CT-reconstruction ... #Clinical #Radiology ... #CXR #CTChest # ... PericardialEffusion #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... This was a consolidation ... #Clinical #Radiology ... #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... which are probably consolidations ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
CXR sarcoidosis ... can present as consolidation ... #Clinical #Radiology ... #CXR #NodularInterstitial ... #RadiologyAssistant
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
CT • Central GGO ... circumferential denser consolidation ... GPA, lipoid pna, sarcoidosis ... #diagnosis #radiology ... #clinical
Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial
Pericardial cyst ... On CT however there ... #Clinical #Radiology ... #CXR #CTChest # ... #Cyst #RadiologyAssistant