Beak sign (gallbladder)

Last revised by Henry Knipe on 25 May 2021

The beak sign of gallbladder volvulus describes tapering of the distended gallbladder lumen as it transitions to a fulcrum point at the pedicle, resembling a curved beak. 


The term bird's beak sign is used in a number of other contexts: see bird beak sign (disambiguation)

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