Target sign (choledocholithiasis)

Last revised by Frank Gaillard on 27 Jul 2022

The target sign of choledocholithiasis is a finding seen on contrast-enhanced CT and comprises:

  • central density within the bile duct: stone
  • surrounding low density: bile or mucosa

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.