Nikolas
Created page with "'''Gallstone ileus''' is a rare but severe complication of gallstone disease where chronic inflammation of the gallbladder has formed a fistula between the gallbladder and duodenum, through which a gallstone can pass. This gallstone can obstruct the small bowel, causing ileus. These fistulae take a long time to form and are due to long-standing necrosis of the gallbladder wall due to pressure from a gallstone. Gas inside the biliary tract on imaging is diagnostic. Th..."