12 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
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
on Chest CT • ... CT in a lobular ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... opacities and mosaic ... Radiologia Torácica ... #Clinical #CriticalCare
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
COVID-19 Chest CT - Case 1

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... opacities and mosaic ... Radiologia Torácica ... #Clinical #CriticalCare
COVID-19 Chest CT - Case 2

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... opacities and mosaic ... Radiologia Torácica ... #Clinical #CriticalCare
COVID-19 Chest CT - Case 3

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... opacities and mosaic ... Radiologia Torácica ... #Clinical #CriticalCare
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
CT • Crescentic ... consolidation or nodular ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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There are two diagnostic ... penicillamine) #Clinical ... #Radiology #CTChest ... MosaicAttenuation #Mosaic ... #Attenuation #Comparison