Other name are gallstones a concretion formed in the Gallbladder.
Causes, Incidence and Risk factors:
Cholesterol is frequently without symptoms and is discovered by routine x ray study surgery autopsy the stones are formed from bile salts lecithin and cholesterol . They may be as small grain of sand or become as large inch in diameter. It symptoms are presents they are similar to acute cholecystitis.
More in women, and increasing incidence with age, and in those with sickle cell disease, pregnancy, diabetes mellitus, obesity, and regional ileitis, and prosthetic cardiac valves. Common dust stone presents with jaundice (50%), Biliary colic (60%), hepatomegaly (80%) antecedent pain over several weeks with non-biliary colic, loose bowel movements of light coloured stools.