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  Indian J Med Microbiol
 

Figure 7: Atoll/reverse halo sign (a). Graphic depiction showing reverse halo sign. It is represented by a central ground glass (arrow in b and arrow head in c) area surrounded by a peripheral consolidation. This axial computed tomography finding (b and c)—similar to the sea atoll (arrowhead and arrow)

Figure 7: Atoll/reverse halo sign (a). Graphic depiction showing reverse halo sign. It is represented by a central ground glass (arrow in b and arrow head in c) area surrounded by a peripheral consolidation. This axial computed tomography finding (b and c)—similar to the sea atoll (arrowhead and arrow)