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Related Experiment Videos

Cecal apical changes with appendicitis: diagnosing appendicitis when the appendix is borderline abnormal or not seen.

P M Rao1

  • 1Department of Radiology, Massachusetts General Hospital, Boston, MA 02114, USA.

Journal of Computer Assisted Tomography
|March 2, 1999
PubMed
Summary

Computed tomography (CT) for appendicitis often shows a swollen appendix. When the appendix is not visible, look for cecal apical changes like thickening or the arrowhead sign to diagnose appendicitis.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Gastrointestinal Imaging

Background:

  • Computed tomography (CT) is a primary imaging modality for diagnosing appendicitis.
  • A distended appendix with periappendiceal inflammation is the typical CT finding.
  • In some cases, the appendix may not be visualized on CT scans.

Purpose of the Study:

  • To describe and illustrate the spectrum of CT appearances of cecal apical changes in appendicitis.
  • To highlight alternative CT findings when the appendix is not visualized.
  • To improve diagnostic accuracy for appendicitis in challenging cases.

Main Methods:

  • This is a pictorial essay.
  • The study reviews CT scans of patients diagnosed with appendicitis.
  • Focus is placed on identifying and illustrating specific changes at the cecal apex.

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Main Results:

  • Cecal apical changes are valuable indicators of appendicitis when the appendix is not visualized.
  • Key findings include focal cecal apical thickening, the arrowhead sign, and the cecal bar.
  • These signs represent inflammatory changes at the base of the appendix.

Conclusions:

  • Identifying cecal apical changes on CT can secure the diagnosis of appendicitis, even when the appendix itself is not seen.
  • Radiologists should be aware of these alternative signs for accurate diagnosis.
  • This knowledge aids in managing patients with suspected appendicitis.