what causes a gallbladder to become diseased
1 If bile builds up within your gallbladder, causing cholecystitis, the bile may become infected. 2  Death of gallbladder tissue. 3  Untreated cholecystitis can cause tissue in the gallbladder to die, which in turn can lead to a tear in the gallbladder, or it may cause your gallbladder to burst. 4  Torn gallbladder.