By definition pigment stone Contain how much percentage of cholesterol
Pigment stone is the name used for stones containing <30% cholesterol Classification of gallstones Cholesterol Black pigment Brow pigment Location Gall bladder and bile duct Gall bladder and bile duct Bile ducts Major constituent Cholesterol Bilirubin pigment polymer Calcium bilirubinate Consistency Crystalline with nucleus Hard Soft, Friable % Radiopaque 15% 60% 0% Ref: Bailey and love 27th edition Pgno :1120
<10
<20
<30
<60
G.I.T