31 results
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
abutting the pleura, air-bronchograms ... feeding vessel sign ... feeding vessel sign ... which are probably consolidations ... #CXR #CTChest #
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... Consolidation 7.
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... a parenchymal consolidation ... #Crescent #Sign ... #CT #Lung #Pulmonary
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
HRCT shows focal bronchiectasis ... #Clinical #Radiology ... #CXR #CTChest # ... FingerInGlove #Sign ... #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... anteriorly in the left lung ... This was a consolidation ... #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... the peripheral lung ... and sometimes air ... A signet-ring sign ... #Differential #RadiologyAssistant
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Signet Ring Sign ... on Chest CT • ... • DDx: Bronchiectasis ... #Signet #Ring #Sign ... #CT #Lung #Pulmonary
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... on Chest CT • Parallel ... Cylindrical or traction bronchiectasis ... #Tram #Track #Sign ... #CT #Lung #Pulmonary
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... #Bronchogram #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology