Gallbladder triplication is an extremely rare anomaly. There are three types of gallbladder triplication are described according to the number of cystic duct and their insertion:

  • Three gallbladders and three cystic ducts which unite to form a common cystic duct before joining the common bile duct (CBD).
  • Two cystic ducts join to form a common duct before joining the CBD and remaining cystic duct enters the CBD separately.
  • All three cystic ducts join the CBD separately.
  • Embryologically, accessory gallbladders result from persistence of rudimentary bile duct buds. As in gallbladder duplication, a higher incidence of pathology may occur in gallbladder triplication.

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