3769 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Halo Sign 6. ... Consolidation 7. ... Pulmonary #ChestCT #radiology
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
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... circumferential denser consolidation ... Reverse #Halo #Sign ... Pulmonary #diagnosis #radiology
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... of parenchymal consolidation ... CTAngiogram #Angiogram #Sign ... Pulmonary #diagnosis #radiology
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... a parenchymal consolidation ... Air #Crescent #Sign ... Pulmonary #diagnosis #radiology
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
cases with chronic consolidation ... non-segmental consolidations ... will be other signs ... this #Clinical #Radiology
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Diffuse consolidation ... cause of diffuse consolidation ... Look for other signs ... #Diagnosis #Radiology ... #CXR #Diffuse #Consolidation
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... ring of dense consolidation ... Reverse #Halo #Sign ... diagnosis #pulmonary #radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... which are probably consolidations ... #Clinical #Radiology
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
produces a silhouette sign ... thus simulating a consolidation ... #Clinical #Radiology