Mercedes-Benz sign


Star-shaped pattern of gas-fissuring within gallstones.


Mercedes-Benz sign


Sign occurs due to the gas fissuring within the gallstone.


  1. Fissures – usually fluid-filled,
  2. Present in 50% of gallstones.
  3. Less than half of these fissured gallstones contain some amount of nitrogen gas

Radiolucency caused by the gas usually appears in a triradiate pattern, reminiscent of the Mercedes-Benz logo


Crow’s foot and star‐shaped


Crow’s foot and star‐shaped were previously used to describe fissured gallstones. However, they were replaced by the Mercedes-Benz sign


SubscribeMedicine MCQs with Answers

For Medical Students & Doctors. Share with Your Friends & Encourage Us.

Enable Notifications OK No thanks