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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus IV: Organ Systems: Gallbladder Variations<BR>Doubled Gallbladder<BR>Bilobed Gallbladder<BR>Abnormal Position of Gallbladder

Illustrated Encyclopedia of Human Anatomic Variation: Opus IV: Organ Systems

Gallbladder Variations, Doubled Gallbladder, Bilobed Gallbladder, Abnormal Position of Gallbladder

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed

Types of Gallbladder


Regular and accessory gallbladders lodged in a fossa of normal position and possessing a common cystic duct


A pattern differing from the preceding in the occurrence of separate cystic ducts


Termination of one of the cystic ducts in the liver


An accessory gallbladder, with a cystic duct terminating in the common hepatic duct


An accessory vesica situated beneath the left lobe of the liver


An instance of doubling, in which the accessory gallbladder, situated in the lesser omentum, emptied into the common bile duct

Forms of Bilobed Gallbladder


Partially separated by an internal septum


Paired through the fundus and body, but joined at the neck to form a single cystic duct

Types of Congenital Divertucula


Diverticulum at the neck of the gallbladder


Cul-de-sac from the body of the organ


Similar expansion at the fundus

Abnormality in Position of Gallbladder


Lodgment within the substance of the liver


Placement under the left hepatic lobe


Posterior situation under the right lobe

Redrawn from Gross, R.E. Congential anomalies of the gallbladder. A review of 148 cases with report of double gallbladder. Arch. Surgery 32:131-162, 1936, . In McVay, C.B. Anson and McVay Surgical Anatomy, 6th Ed, Vol. 1. W.B. Saunders cCo., Philadelphia, 1984.

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