Shifting granuloma sign

Last revised by Daniel J Bell on 5 Mar 2021

Shifting granuloma sign refers to a shift in the location of a parenchymal lesion visible on prior films that may be seen in the presence of atelectasis.

For example, this occurs when a calcified granuloma is present in a lung and a significant parenchymal collapse "shifts" it from one location to another.

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Cases and figures

  • Case 1
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