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Endoanal ultrasound
1Department of Radiology, Guy's and St Thomas' NHS Trust, Lambeth Palace Road, London SE1, UK.
The British Journal of Radiology
|May 31, 2002
Summary
This review shows normal and abnormal anal sphincter anatomy using endoanal ultrasound. It highlights how this imaging technique visualizes anal sphincter structures and their pathologies.
Area of Science:
- Radiology
- Gastroenterology
- Surgical Anatomy
Background:
- Anal sphincter abnormalities can lead to significant patient morbidity.
- Accurate imaging is crucial for diagnosis and surgical planning.
Purpose of the Study:
- To illustrate the utility of endoanal ultrasound (EUS) in visualizing anal sphincter anatomy.
- To review common abnormalities of the anal sphincters detectable by EUS.
Main Methods:
- This is a pictorial review based on endoanal ultrasound imaging.
- Normal anal sphincter anatomy is demonstrated.
- Abnormalities are presented with corresponding ultrasound images.
Main Results:
- Endoanal ultrasound provides detailed visualization of the internal and external anal sphincters.
- Various pathologies, including sphincter defects and fistulas, are readily identified.
- The technique aids in precise anatomical assessment for surgical intervention.
Conclusions:
- Endoanal ultrasound is an effective imaging modality for evaluating anal sphincter anatomy and pathology.
- It plays a vital role in the diagnosis and management of anorectal disorders.
- Familiarity with EUS imaging is essential for clinicians managing these conditions.