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Related Experiment Videos

Perirectal inflammatory disease: CT findings.

E Guillaumin, R B Jeffrey, W J Shea

    Radiology
    |October 1, 1986
    PubMed
    Summary

    Computed tomographic (CT) scans accurately distinguish perirectal abscesses from cellulitis and pinpoint their location. CT imaging is valuable for diagnosing abscesses, even those missed by initial surgery.

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    Area of Science:

    • Radiology
    • Gastroenterology
    • Surgical Pathology

    Background:

    • Perirectal inflammatory disease and abscesses require accurate diagnosis for effective treatment.
    • Distinguishing between perirectal abscesses and cellulitis is crucial for surgical planning.
    • Localization of abscesses (supralevator vs. infralevator) impacts surgical approach.

    Purpose of the Study:

    • To evaluate the reliability of computed tomographic (CT) scans in diagnosing and localizing perirectal abscesses.
    • To assess CT's accuracy in differentiating abscesses from cellulitis.
    • To review relevant anatomy for interpreting CT scans in this context.

    Main Methods:

    • Retrospective review of CT scan findings in 42 patients with suspected perirectal abscesses.
    • Correlation of CT findings with surgical outcomes and diagnoses.
    • Analysis of CT anatomy of pararectal spaces.

    Main Results:

    • CT scans reliably distinguished perirectal abscesses from cellulitis.
    • CT accurately localized both supralevator and infralevator abscesses.
    • CT correctly diagnosed 13 surgically confirmed abscesses, including three residual ones; three supralevator abscesses were missed surgically but identified on CT.

    Conclusions:

    • Computed tomographic (CT) imaging is a reliable tool for diagnosing and localizing perirectal abscesses.
    • CT can identify abscesses missed by initial surgical exploration.
    • CT aids in evaluating the extent of perirectal inflammation when abscesses are absent.

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