Can gallbladder cause gangrene?

Not cause, become.: A gallbladder cannot cause gangrene, however a gallbladder can become gangrenous as a result of severe infection if left untreated. This is called gangrenous cholecystitis, and is often seen in patients with diabetes.

Well...: Gangrene simply means dead tissue. An infected gallbladder can become gangrenous and perforate if not properly cared for.

See below: Gangrene of the gallbladder can occur. In acute cholecystitis with cystic duct obstruction, mounting pressure in the gallbladder essentially cuts of the blood supply leading to gangrene and necrosis. some patient, especially diabetics, can have gallbladder infections with gas forming organisms including species of Clostridium, essentially a form of gangrene.