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Ultrasound
Anatomy
Abdomen
Biliary System
Biliary System
L. Nayeli Morimoto, MD
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TERMINOLOGY

  • Abbreviations

    • Extrahepatic biliary structures
      • Gallbladder (GB)
      • Cystic duct (CD)
      • Right hepatic (RH) and left hepatic (LH) ducts
      • Common hepatic duct (CHD)
      • Common bile duct (CBD)

  • Definitions

    • Proximal/distal biliary tree
      • Proximal refers to portion of biliary tree that is closer in proximity to liver and hepatocytes
      • Distal refers to caudal end closer to ampulla and bowel
    • Central/peripheral
      • Central refers to biliary ducts close to porta hepatis
      • Peripheral refers to higher order branches of intrahepatic biliary tree extending into hepatic parenchyma

IMAGING ANATOMY

  • Overview

    • Variant Biliary Ductal Anatomy

      • Variant Cystic Duct Anatomy

        ANATOMY IMAGING ISSUES

        • Imaging Recommendations

          • Imaging Approaches

            • Imaging Pitfalls

              • Key Concepts

                CLINICAL IMPLICATIONS

                • Clinical Importance

                  • Function & Dysfunction

                    • Embryologic Events

                      Selected References

                      1. Fujimoto N et al: Clinical investigation of the cystic duct variation based on the anatomy of the hepatic vasculature. Surg Today. 50(4):396-401, 2020
                      2. Shackelford RT: Shackelford's Surgery of the Alimentary Tract. 7th edition. Elsevier/Saunders, 2013
                      3. Catalano OA et al: Vascular and biliary variants in the liver: implications for liver surgery. Radiographics. 28(2):359-78, 2008
                      4. Standring S et al: Gray's Anatomy: The Anatomical Basis of Clinical Practice. 40th ed. Churchill Livingstone/Elsevier, 2008
                      5. Mortelé KJ et al: Anatomic variants of the biliary tree: MR cholangiographic findings and clinical applications. AJR Am J Roentgenol. 177(2):389-94, 2001
                      6. Turner MA et al: The cystic duct: normal anatomy and disease processes. Radiographics. 21(1):3-22; questionnaire 288-94, 2001
                      Related Anatomy
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                      Related Differential Diagnoses
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                      References
                      Tables

                      Tables

                      TERMINOLOGY

                      • Abbreviations

                        • Extrahepatic biliary structures
                          • Gallbladder (GB)
                          • Cystic duct (CD)
                          • Right hepatic (RH) and left hepatic (LH) ducts
                          • Common hepatic duct (CHD)
                          • Common bile duct (CBD)

                      • Definitions

                        • Proximal/distal biliary tree
                          • Proximal refers to portion of biliary tree that is closer in proximity to liver and hepatocytes
                          • Distal refers to caudal end closer to ampulla and bowel
                        • Central/peripheral
                          • Central refers to biliary ducts close to porta hepatis
                          • Peripheral refers to higher order branches of intrahepatic biliary tree extending into hepatic parenchyma

                      IMAGING ANATOMY

                      • Overview

                        • Variant Biliary Ductal Anatomy

                          • Variant Cystic Duct Anatomy

                            ANATOMY IMAGING ISSUES

                            • Imaging Recommendations

                              • Imaging Approaches

                                • Imaging Pitfalls

                                  • Key Concepts

                                    CLINICAL IMPLICATIONS

                                    • Clinical Importance

                                      • Function & Dysfunction

                                        • Embryologic Events

                                          Selected References

                                          1. Fujimoto N et al: Clinical investigation of the cystic duct variation based on the anatomy of the hepatic vasculature. Surg Today. 50(4):396-401, 2020
                                          2. Shackelford RT: Shackelford's Surgery of the Alimentary Tract. 7th edition. Elsevier/Saunders, 2013
                                          3. Catalano OA et al: Vascular and biliary variants in the liver: implications for liver surgery. Radiographics. 28(2):359-78, 2008
                                          4. Standring S et al: Gray's Anatomy: The Anatomical Basis of Clinical Practice. 40th ed. Churchill Livingstone/Elsevier, 2008
                                          5. Mortelé KJ et al: Anatomic variants of the biliary tree: MR cholangiographic findings and clinical applications. AJR Am J Roentgenol. 177(2):389-94, 2001
                                          6. Turner MA et al: The cystic duct: normal anatomy and disease processes. Radiographics. 21(1):3-22; questionnaire 288-94, 2001