Mercedes-Benz sign - on CT
Incidental finding in a patient with polytrauma.
Loading Stack -
0 images remaining
Several cholelithiasis containing air centrally are seen in the gallbladder. Gall bladder diameter and wall thickness are normal . No evidence of fat stranding around the gall bladder.
The findings are consistent with Mercedes Benz sign which is describes the appearance of the triradiate collection of nitrogen gas in the gallbladder stones.
- Hinkel CL. Fissures in biliary calculi; further observations. Am J Roentgenol Radium Ther Nucl Med. 1954;71 (6): 979-87. - Pubmed citation
- Meyers MA, O'donohue N. The Mercedes-Benz sign: insight into the dynamics of formation and disappearance of gallstones. Am J Roentgenol Radium Ther Nucl Med. 1973;119 (1): 63-70. - Pubmed citation