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Related Experiment Videos

Computed tomography of the abnormal appendix.

E J Balthazar1, A J Megibow, R B Gordon

  • 1Department of Radiology, New York University Medical Center, NY.

Journal of Computer Assisted Tomography
|July 1, 1988
PubMed
Summary
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Abdominal CT scans reveal key features of appendicitis, mucoceles, and mucinous adenocarcinomas. Recognizing these computed tomography (CT) findings aids in diagnosing abdominal pathology and differentiating conditions.

Area of Science:

  • Radiology
  • Gastroenterology
  • Surgical Pathology

Background:

  • Abdominal pain is a common clinical presentation requiring accurate diagnosis.
  • Computed tomography (CT) is a crucial imaging modality for evaluating abdominal pathology.
  • The appendix, though small, can be the source of significant pathology.

Purpose of the Study:

  • To describe the computed tomography (CT) features of various abnormal appendices.
  • To differentiate between acute appendicitis, appendiceal mucoceles, and mucinous adenocarcinomas based on CT imaging.
  • To highlight the diagnostic utility of CT in identifying appendiceal abnormalities.

Main Methods:

  • Retrospective review of 29 abdominal CT examinations with visualized abnormal appendices.
  • Analysis of CT characteristics including appendix morphology, wall thickening, and periappendiceal changes.

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  • Correlation of imaging findings with pathological diagnoses.

    • Main Results:

    • 22 cases of acute appendicitis showed fluid-filled or collapsed appendix with wall thickening and periappendiceal inflammation.
    • Five mucoceles appeared as larger, thin-walled, fluid-filled structures without inflammation.
    • Two mucinous adenocarcinomas presented as irregular cystic lesions with solid components and potential infiltration.
    • Five abnormal appendices were initially missed, emphasizing the need for careful review.

    Conclusions:

    • CT imaging demonstrates distinct features for acute appendicitis, mucoceles, and mucinous adenocarcinomas.
    • Detailed CT analysis of appendiceal and periappendiceal changes is vital for accurate diagnosis.
    • Computed tomography (CT) plays a significant role in the differential diagnosis of abdominal pathology originating from the appendix.