Presentation
Incidental finding.
Patient Data
Age: 45 years
Gender: Male
From the case:
Mercedes Benz sign (gallbladder)
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/20526/annotated_viewer_json?iframe=true\u0026lang=us"}
Opacities in the right upper quadrant have radial lucencies representing gas.
From the case:
Mercedes Benz sign (gallbladder)
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/20511/annotated_viewer_json?iframe=true\u0026lang=us"}
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.