Gall stone disease or Cholelithiasis is characterized by stone formation in the Gall Bladder. The Gall stones can be cholesterol stones or pigment stones or mixed stones. The various causes of gall stone formation are obesity, high fat diet, genetic (hereditary), some medications etc. Presence of stones in the gallbladder is referred to as cholelithiasis,  Gall stones or Cholelithiasis is a metabolic disease characterized by formation of stones either pigment / cholesterol / mixed stones in the gall bladder. from the Greek chol- (bile) + lith- (stone) + iasis- (process). If gallstones migrate into the ducts of the biliary tract, the condition is referred to as choledocholithiasis, from the Greek chol- (bile) + docho- (duct) + lith- (stone) + iasis- (process). Choledocholithiasis is frequently associated with obstruction of the biliary tree, which in turn can lead to acute ascending cholangitis, from the Greek: chol- (bile) + ang- (vessel) + itis- (inflammation), a serious infection of the bile ducts. Gallstones within the ampulla of Vater can obstruct the exocrine system of the pancreas, which in turn can result in pancreatitis.

Etiology and pathogenesis

presentation - sign and symptoms

Investigations

Differential diagnosis

Management

Prevention

 Complications