common hepatic duct

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common hepatic duct

[¦käm·ən he′pad·ik ′dəkt]
(anatomy)
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and Durand-Lopez (2016, 2017, 2018) described: The segmental biliary branches accompany the arterial and venous portals until they form the left and right hepatic ducts; these are located above the primary portal venous branches, and when they join, they do so in front of and to the right of the portal vein at the Porta hepatis.
In addition, it helps boost the production of bile and shrinks enlarged hepatic ducts.
Bile ducts in the liver, also called hepatic ducts, carry bile from the liver to the gallbladder for storage and then to the small intestine for use in digestion (9).
Computed tomography and MRCP confirmed these findings and identified an ill-defined intraductal mass at the confluence of the hepatic ducts. A CA 19-9 level was markedly elevated at 761 U/mL.
Type 2: Triple confluence; right posterior (RP)-right anterior (RA) hepatic ducts and LHD merge to form CHD.
Some rare but possible CD variations were described in the literature [8] including (1) parallel cystic and common hepatic ducts; (2) low confluence of the CD; (3) adherence of the CD to the common hepatic duct; (4) high confluence of the cystic and common hepatic ducts; (5) absent or short CD; (6) double CDs; (7) CD drainage into the RHD; (8) CD crossing posterior to the common hepatic duct and joining it anteriorly; and (9) CD crossing anterior to the common hepatic duct and joining it posteriorly.
The right and left hepatic ducts and proximal of the common hepatic duct were involved in the mass, resulting in dilatation of intrahepatic ducts.
The first ligature was in the junction of the hepatic ducts, and the second ligature was made above the entrance of the pancreatic duct.
However, MRCP in the follow up period showed no stricture or dilation of intra hepatic ducts.
With the effect of Notch signals and other regulatory proteins, hepatoblasts are transformed into hepatocytes, bile ductules, and hepatic ducts (15).
Intrahepatic stone is a part of the calculus of bile duct, referring to the stones located proximal to the confluence of the left and/or right hepatic ducts. Intrahepatic stones include brown pigment stones (calcium bilirubin stones), cholesterol stones, and their mixture.
The right and left hepatic ducts were visualized, as well as a long common bile duct, which traveled cranially to the right upper quadrant, where contrast was visualized within the duodenum (Figure 4).