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Diseases that simulate acute appendicitis on ultrasound
T Ripollés1, M J Martinez-Perez, V Morote
1Department of Radiology, Dr Peset Hospital, Valencia, Spain.
The British Journal of Radiology
|April 16, 1998
Summary
Ultrasound effectively diagnoses appendicitis by identifying a non-compressible appendix over 6 mm in patients with right lower quadrant pain. It also helps differentiate appendicitis from other conditions mimicking its symptoms.
Area of Science:
- Radiology
- Gastroenterology
- Emergency Medicine
Background:
- Appendicitis is a common cause of acute abdominal pain.
- Accurate diagnosis is crucial to prevent complications.
- Ultrasound is a widely available imaging modality.
Purpose of the Study:
- To review ultrasound findings in acute appendicitis.
- To highlight ultrasound features of conditions that mimic appendicitis.
- To aid clinicians in differential diagnosis.
Main Methods:
- Review of ultrasound imaging in patients with suspected appendicitis.
- Inclusion of cases with secondary appendiceal inflammation due to adjacent pathology.
- Analysis of ultrasound characteristics of mimicking conditions.
Main Results:
- A non-compressible appendix >6 mm diameter is diagnostic of appendicitis.
- Reactive appendiceal enlargement can occur secondary to adjacent lesions.
- Ultrasound can identify key features of mimicking conditions like Crohn's disease, tuboovarian abscess, and diverticulitis.
Conclusions:
- Ultrasound is a valuable tool for diagnosing appendicitis.
- Recognizing ultrasound appearances of mimicking conditions improves diagnostic accuracy.
- Comprehensive ultrasound assessment prevents misdiagnosis and guides appropriate management.