Hippokratia 2000, 4(3):136-140

A Stefanidis, P. Kougias, A. Zografos, M. Vagenas, P. Tsoutsas, K. Chrisafis

Abstract

Gas within the lumen of Gallbladder can be due to emphysematous chelecystitis, fistulas between the gallbladder and bowel or the existence of gas containing gallstones. Gallstones remain a widespread clinical problem. Though infrequently seen, a characteristic finding of gallstones is the "star" sign or "Mercedes - Benz" sign. Stellate radiolucencies within a gallstone produce a triradiate pattern resembling the insignia of Mercedes-Benz automobile. Ultrasound is now the major imaging modality for demonstrating gallstones. CT seems to delineate better the quantity of air inside the stones. A rare case of an adult man with stellate fissuring - gas containing gallstones and colonic carcinoma is described.

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