Stone is a solid mass formed from minerals in the body. In gallbladder, stone is formed from bilirubin pigment-containing bile which accumulates and forms stones in the gallbladder (cholelithiasis). The most common form of Stones in Gall Bladder (Cholelithiasis) is Calcium Stone. Calcium Stone is formed from calcium, bilirubin and cholesterol in bile. The most common type of gallstones form because a substance called bilirubin builds up in the gallbladder and solidifies into a stone over time.
The gastroenterologist is a doctor specializing in diseases of the digestive system including esophagus, stomach, intestines, colon and rectum, pancreas, gallbladder, bile ducts and liver.
Remember that for the proper selection of health professional that treats stone in the gallbladder you must consider the nature, severity and symptoms you are presenting.