Mercedes Benz sign (gallbladder)

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Incidental finding.

Patient Data

Age: 45 years
Gender: Male
x-ray

Opacities in the right upper quadrant have radial lucencies representing gas.

Annotated image

Opacities in the right upper quadrant have radial lucencies representing gas.

  • Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Case Discussion

Cracking of the large gallstones may facilitate their excretion, the phenomenon called the Mercedes Benz sign.  Mercedes Benz pattern exactly reminds the well-known sign of the automobile. This sign is not always obvious, and one has to look for it.

A Case from Prof. Saeed Rad's archive, Radiology department, Tabriz university of medical sciences. Iran.

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