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Appendicitis imaging.

Audrey Harris1, Norman E Bolus

  • 1Radiologic Sciences/Radiography Program, University of Alabama, Birmingham, USA.

Radiologic Technology
|December 13, 2005
PubMed
Summary

Appendicitis diagnosis can be challenging as classic symptoms are not always present. This review details various medical imaging techniques used to accurately diagnose appendicitis.

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Area of Science:

  • Medical Imaging
  • Diagnostic Radiology
  • Surgical Pathology

Background:

  • Appendicitis presents with varied symptoms, with classic signs occurring in only about 50% of patients.
  • The diagnostic challenge necessitates the use of medical imaging to confirm or exclude appendicitis.
  • Accurate diagnosis is crucial for timely surgical intervention and preventing complications.

Purpose of the Study:

  • To review and describe the various medical imaging modalities employed in the evaluation of suspected appendicitis.
  • To provide an overview of the strengths and weaknesses of each imaging technique for appendicitis diagnosis.
  • To aid clinicians in selecting appropriate imaging studies for patients with potential appendicitis.

Main Methods:

  • Review of conventional abdominal radiography.
  • Discussion of ultrasound (US) applications in appendicitis.
  • Overview of computed tomography (CT) imaging protocols and findings.
  • Description of nuclear medicine imaging techniques for appendicitis evaluation.

Main Results:

  • Conventional radiography has limited sensitivity and specificity for appendicitis.
  • Ultrasound is a valuable tool, particularly in pediatric and pregnant populations, but is operator-dependent.
  • Computed tomography offers high accuracy in diagnosing appendicitis, especially in adults.
  • Nuclear medicine imaging can be useful in equivocal cases but involves radiation exposure.

Conclusions:

  • A combination of clinical presentation and appropriate medical imaging is essential for accurate appendicitis diagnosis.
  • Computed tomography remains a primary modality for adult appendicitis evaluation due to its high accuracy.
  • Ultrasound is a preferred initial imaging choice in specific patient groups, balancing diagnostic efficacy with reduced radiation exposure.

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