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Related Experiment Videos

CT of fundoplication.

C H McDonnell1, M E Baker, R H Cohan

  • 1Department of Radiology, Duke University Medical Center, Durham, NC 27710.

Journal of Computer Assisted Tomography
|September 1, 1991
PubMed
Summary
This summary is machine-generated.

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Computed tomography (CT) can identify postfundoplication changes, often appearing as masses. A unique central fat density on CT scans helps distinguish these pseudomasses from hiatal hernias or GE junction tumors.

Area of Science:

  • Radiology
  • Gastroenterology
  • Surgical Oncology

Background:

  • Fundoplication is a surgical procedure for gastroesophageal reflux disease.
  • Postoperative CT imaging is crucial for evaluating complications and anatomical changes.
  • Distinguishing postfundoplication changes from other GE junction abnormalities can be challenging.

Purpose of the Study:

  • To characterize CT findings in patients after fundoplication.
  • To compare these findings with unrepaired hiatal hernias and GE junction neoplasms.
  • To identify CT features that differentiate postfundoplication changes.

Main Methods:

  • Retrospective comparison of CT scans from three groups: postfundoplication (n=22), unrepaired hiatal hernia (n=22), and GE junction carcinoma (n=24).

Related Experiment Videos

  • Analysis of specific CT findings including masses, wall thickening, surgical clips, and fat density.
  • Statistical analysis to determine significant differences between groups.

    • Main Results:

    • Postfundoplication patients were more likely to exhibit GE junction masses (p=0.023) and less likely to have wall thickening (p=0.021) on CT.
    • A unique finding of central fat density within GE junction masses was observed in 11 of 12 post-Nissen patients.
    • This central fat density was absent in other postfundoplication masses and in patients with hiatal hernias or tumors.

    Conclusions:

    • CT findings postfundoplication can mimic other GE junction pathologies, presenting as pseudomasses.
    • The presence of an oval or linear central fat density on CT is a highly specific indicator of post-Nissen fundoplication.
    • This finding aids in differentiating postfundoplication pseudomasses from hiatal hernias and GE junction neoplasms.