Editing Gallbladder (section)

===Gallstones===
{{Main|Gallstones}}
[[File:Gallbladder stones.jpg|thumb|left|3D still showing gallstones]]
[[Gallstone]]s form when the bile is [[Saturated solution|saturated]], usually with either [[cholesterol]] or [[bilirubin]].<ref name="MSDGallstones">{{cite web|title=Cholelithiasis - Hepatic and Biliary Disorders - MSD Manual Professional Edition|url=http://www.msdmanuals.com/en-au/professional/hepatic-and-biliary-disorders/gallbladder-and-bile-duct-disorders/cholelithiasis|website=MSD Manual Professional Edition|access-date=18 October 2017|language=en-AU}}</ref> Most gallstones do not cause symptoms, with stones either remaining in the gallbladder or passed along the [[hepatobiliary system|biliary system]].<ref name=DAVIDSONS2010 /> When symptoms occur, severe "colicky" pain in the upper right [[quadrant (abdomen)|quadrant]] of the abdomen is often felt.<ref name="MSDGallstones" /> If the [[cholelithiasis|stone blocks the gallbladder]], inflammation known as [[cholecystitis]] may result. If the stone lodges in the biliary system, [[jaundice]] may occur; if the stone blocks the [[pancreatic duct]], [[pancreatitis]] may occur.<ref name=DAVIDSONS2010 /> Gallstones are diagnosed using [[ultrasound]].<ref name="MSDGallstones" /> When a symptomatic gallstone occurs, it is often managed by waiting for it to be passed naturally.<ref name=DAVIDSONS2010 /> Given the likelihood of recurrent gallstones, surgery to remove the gallbladder is often considered.<ref name=DAVIDSONS2010 /> Some medication, such as [[ursodeoxycholic acid]], may be used; [[lithotripsy]], a non-invasive mechanical procedure used to break down the stones, may also be used.<ref name=DAVIDSONS2010 />