18 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
patient who had a CT ... The diagnosis based ... #Clinical #Radiology ... SeptalThickening #CHF ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
mass - Solitary Pulmonary ... Multiple Masses Atelectasis ... #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
edema, severe ILD ... non-obstructive atelectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
Comet Tail Sign ... • DDx: Rounded atelectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
bronchiectasis, CF ... , ILD, necrotizing ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
On the left a patient with CHF. 
There is an increase in heart size compared to
a patient with CHF ... Other signs of CHF ... redistribution of pulmonary ... #Clinical #Radiology ... #Comparison #RadiologyAssistant
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
he CT shows a lesion ... their differential diagnostic ... the comet tail sign ... #Clinical #Radiology ... #RadiologyAssistant