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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... opacities - Fine Nodular ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... a parenchymal consolidation ... #Pulmonary #diagnosis ... #radiology #clinical
Based on the images alone, it is usually not possible to determine the cause of the
chronic illness, clinical ... between these chest ... in fact this is nodular ... #Clinical #Diagnosis ... #Radiology #CXR
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
emboli usually present ... can suggest the diagnosis ... which are probably consolidations ... #Clinical #Radiology ... #CXR #CTChest #
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... surrounded by a crescentic ... circumferential denser consolidation ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
features on the chest ... In daily clinical ... sometimes may not be present ... #Diagnosis #Radiology ... #CHF #CXR #Stages
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
organism (soap bubble sign ... flucytosine for 14 days, consolidation ... likely due to IRIS ... T2 #MRI #Brain #clinical ... #radiology