system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Gall stones in sickle cell anemia are made up of?
assistant
The correct answer is  Ans. is 'c' i.e. Bilirubin * In sickle cell disease, chronic hemolysis with its accelerated bilirubin turnover leads to a high incidence of pigment gallstones. They are composed primarily of bilirubin (insoluble bilirubin pigment polymer) and calcium (calcium phosphate) salts that are found in bile.