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Related Experiment Videos

Intraperitoneal paravesical spaces: CT delineation with US correlation.

Y H Auh, W A Rubenstein, J A Markisz

    Radiology
    |May 1, 1986
    PubMed
    Summary

    This study differentiates between intraperitoneal and extraperitoneal paravesical fluid collections in patients with ascites. Computed tomographic scan findings help distinguish these fluid spaces, aiding in diagnosis.

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    Area of Science:

    • Anatomy
    • Radiology
    • Gastroenterology

    Background:

    • The anterior abdominal wall contains extraperitoneal spaces that indent the peritoneum, forming intraperitoneal paravesical fossae.
    • These fossae include the supravesical, medial inguinal, and lateral inguinal spaces.
    • Posteriorly, the rectovesical space is formed, divided by the uterus into the vesicouterine recess and rectouterine pouch.

    Purpose of the Study:

    • To differentiate between intraperitoneal and extraperitoneal paravesical fluid collections in patients with ascites.
    • To identify characteristic computed tomographic (CT) scan appearances of intraperitoneal collections.

    Main Methods:

    • Review of computed tomographic (CT) scans from 100 patients with ascites.
    • Particular attention was paid to distinguishing between intraperitoneal and extraperitoneal paravesical collections.

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    Main Results:

    • Intraperitoneal collections on CT scans showed characteristic appearances.
    • These included inferior displacement of the urinary bladder.
    • Visualization of umbilical folds and preservation of preperitoneal fat were also noted.

    Conclusions:

    • CT scan findings can reliably differentiate between intraperitoneal and extraperitoneal paravesical fluid collections.
    • Understanding these anatomical spaces and their appearance on imaging is crucial for diagnosing ascites.