Case of the Week 16 Case Of the Week Case 16 A gallbladder is opened to reveal numerous composite gallstones.
Most stones are mixtures of calcium, bilirubin, and cholesterol.
The prominent yellowish color to these stones is consistent with their predominant cholesterol component. Aging, female sex, and obesity increase the risk for gallstone formation. Though most persons with gallstones are asymptomatic, there may be episodes of acute cholecystitis marked by intense right upper quadrant pain.