2 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... LG, GPA, lipoid pna ... #Lung #Pulmonary ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
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CT • Parallel, ... bronchiectasis, CF ... ILD, necrotizing pna ... #Lung #Pulmonary ... #diagnosis #radiology