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Related Experiment Videos

The portacaval space: CT with MR correlation.

K Zirinsky, Y H Auh, W A Rubenstein

    Radiology
    |August 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

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    The portacaval space contains various anatomical structures, including lymph nodes. These portacaval lymph nodes have distinct imaging characteristics that can be mistaken for other abdominal organs.

    Area of Science:

    • Anatomical Imaging
    • Radiology
    • Surgical Anatomy

    Background:

    • The region between the portal vein and inferior vena cava is complex, containing multiple anatomical structures.
    • Accurate identification of structures within this space is crucial for surgical and diagnostic procedures.

    Purpose of the Study:

    • To illustrate the sectional anatomy of the structures within the portacaval space.
    • To emphasize the imaging characteristics of portacaval lymph nodes.

    Main Methods:

    • Review and illustration of sectional anatomy.
    • Detailed description of portacaval lymph node morphology on transverse sections.

    Main Results:

    • The portacaval space may contain liver structures, lymph nodes, hepatic arteries, pancreaticoduodenal vessels, cystic duct, and the epiploic foramen.

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  • Portacaval lymph nodes are typically rectangular or elliptical on transverse imaging.
  • Portacaval lymph nodes can measure up to 1.3 cm in anteroposterior dimension.
  • These nodes may be misidentified as portions of the pancreas, liver, or biliary tract.

    • Conclusions:

    • Understanding the sectional anatomy of the portacaval space is essential for accurate interpretation of medical images.
    • Portacaval lymph nodes possess unique imaging features that differentiate them from adjacent structures but can also lead to misdiagnosis.