You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Gall stone can be which type of stone? and explain in detail?
Cholesterol stones (cholesterol solitaire-radiating crystal line appearance) are formed when bile's supersaturated with cholesterol or bile acid concentrations are low.80% of gallstones are cholesterol/mixed stones in USA & Europe,whereas in Asia 80% are pigment stones.Cholesterol/mixed stones contain 51-99% pure cholesterol plus an admixture of calcium salts,bile acids,bile pigments & phospholipids. Reference:Bailey & Love's manual of surgery,25th edition,page no:1120.