Illustrated Encyclopedia of Human Anatomic Variation: Opus IV: Organ Systems
Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed
Boyden explains the figure as below: "Liver and duodenum of white male, aged 48, exhibiting duplication of common-bile duct. Left lobe of liver (L.hep.sin) severed and removed at level of falciform ligament (Lig.falc.). Same orientation as in figure 140. Cunningham's Manual of Anatomy, vol. 2, 8th ed., '27, except that left wall of duodenum has been removed and the ramining half rotated to observer's right. Common hepatic duct, 4 cm. long; hepato-enteric duct (D.hep.ent.), 1.8 cm. long; common-bile duct, 6 cm. long; anastomotic segment (Anast.) between common hepatic duct and cystic duct, 1 cm. long; cystic duct, 4 cm. long. Hepatoenteric duct, virtually occluded at point of insertion on pars superior of duodenum; site marked by small pore, 1.5 cm. from pylorus (see uppermost of 3 arrows). Common-bile duct empties low down, on pars descendens, in common with ductus pancreaticus (D.panc.), 8 cm. below pylorus (see lowest of 3 arrows). Accessory pancreatic duct opens on duodenal papilla (middle arrow), 2 cm. above ampulla of Vater. Edge of duodenum to observer's right is anterior wall; posterior edge, to which ducts are attached, shows post mortem (?) contracture."
From Boyden, E.A. The problem of the double ductus choledocus (an interpretation of an accessory bile duct attached to the pars superior of the duodenum). Anat. Rec.55:71-93, 1932.
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