Presentation
Incidental finding.
Patient Data
Age: 45 years
Gender: Male
From the case:
Mercedes Benz sign of gallstone
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Opacities in the right upper quadrant have radial lucencies representing gas.
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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