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Gallbladder wall sonolucency in acute cholecystitis.

G J Marchal, M Casaer, A L Baert

    Radiology
    |November 1, 1979
    PubMed
    Summary
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    A new ultrasound finding in acute cholecystitis involves a distinct hyporeflective layer within the gallbladder wall. This sign, likely representing subserosal edema and necrosis, aids in diagnosing the condition.

    Area of Science:

    • Medical Imaging
    • Gastroenterology
    • Pathology

    Background:

    • Acute cholecystitis is commonly diagnosed via ultrasound.
    • Typical findings include gallbladder wall thickening and distension.

    Purpose of the Study:

    • To identify and characterize an additional ultrasound sign in acute cholecystitis.
    • To determine the underlying cause of this sonographic finding.

    Main Methods:

    • Ultrasound examination of 11 patients with acute cholecystitis.
    • Anatomic-pathologic correlation.
    • Comparative computed tomography (CT) scans.
    • Clinical follow-up.

    Main Results:

    • An additional hyporeflective or sonolucent layer was observed within the thickened gallbladder wall in these patients.

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  • This layer was continuous or interrupted.
  • Correlation with CT and pathology suggested subserosal edema and necrosis as the cause.

    • Conclusions:

    • The hyporeflective layer is a potential sonographic marker for subserosal edema and necrosis in acute cholecystitis.
    • This finding may improve diagnostic accuracy for severe gallbladder inflammation.