2 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... consolidation • DDx: COP ... Reverse #Halo #Sign ... #CT #Lung #Pulmonary
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
Hoover's Sign ... Hoover’s sign refers ... due to air trapping ... #Hoovers #Sign # ... Pulmonary #COPD