False about brown pigmented stones:
Ans. (b) More common in Caucasians* Brown stones may happen in disorders of motility + Bacterial infection* MC in ASIANS* Soft and earthy stone.* Content: Ca.Bilirubinate +Ca. Palmitate +Ca Stearate + Cholesterol(Black stone- Insoluble Bilirubin Polymer +Ca. PO4 + Ca. bicarbonate)
Associated with disorders of biliary motility and associated bacterial infection
More common in Caucasians
Soft and earthy in texture
High content of cholesterol and calcium palmitate
Gall Bladder & Bile Ducts