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Magnetic resonance imaging of perianal fistulas

Soendersing Dwarkasing1, Shahid M Hussain, Gabriel P Krestin

  • 1Department of Radiology, Erasmus Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands. s.dwarkasing@erasmusmc.nl

Seminars in Ultrasound, CT, and MR
|September 13, 2005
PubMed

Insights

Magnetic resonance (MR) imaging offers crucial insights into cryptoglandular fistula-in-ano, aiding treatment selection and predicting outcomes. This technique is vital for guiding novel therapies and ensuring procedural success.

Area of Science:

  • Gastroenterology and Hepatology
  • Radiology and Imaging

Background:

  • Fistula-in-ano commonly arises from cryptoglandular inflammation.
  • Classification of these fistulas is based on anal sphincter complex involvement, guiding treatment strategies.

Purpose of the Study:

  • To highlight the role of MR imaging in evaluating fistula-in-ano.
  • To emphasize MR imaging's value in predicting clinical outcomes and guiding novel surgical interventions.

Main Methods:

  • Review of studies comparing MR imaging with surgical exploration for fistula-in-ano.
  • Analysis of MR imaging's utility in preprocedural and intraoperative assessments.

Main Results:

  • Preoperative MR imaging provides significant information beyond surgical exploration alone.
  • MR imaging better predicts the clinical outcomes for patients with fistula-in-ano.

Conclusions:

  • MR imaging is indispensable for the evaluation of fistula-in-ano.
  • Its role is critical in the context of emerging treatments like MRI-guided surgery, laser, and adhesive therapies.

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