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Magnetic resonance imaging of perianal fistulas

Dirk Vanbeckevoort1, Didier Bielen, Ragna Vanslembrouck

  • 1Department of Radiology, University Hospitals Leuven, Herestraat 49, Leuven B-3000, Belgium.

Magnetic Resonance Imaging Clinics of North America
|November 19, 2013
PubMed

Insights

Magnetic resonance (MR) imaging is crucial for diagnosing perianal fistulas and their complications, especially in Crohn disease patients. Accurate MR imaging helps prevent treatment failure by identifying hidden issues before surgery or medical therapy.

Area of Science:

  • Gastroenterology
  • Radiology
  • Surgical Pathology

Background:

  • Perianal fistulization stems from chronic inflammation of perianal tissues.
  • Manifestations range from simple to complex fistulas, common in Crohn disease.
  • Undetected secondary tracks or abscesses lead to treatment failure and surgical relapse.

Purpose of the Study:

  • To highlight the role of magnetic resonance (MR) imaging in evaluating perianal fistulas.
  • To emphasize the importance of MR imaging in detecting complications.
  • To discuss the evolving use of MR imaging in assessing treatment response.

Main Methods:

  • Review of current literature and clinical practice regarding perianal fistula evaluation.
  • Focus on the diagnostic capabilities of magnetic resonance (MR) imaging.
  • Comparison of MR imaging's role in preoperative assessment and therapeutic monitoring.

Main Results:

  • Magnetic resonance (MR) imaging is the preferred modality for perianal fistula assessment.
  • MR imaging effectively identifies complex fistulas, secondary tracks, and abscesses.
  • Its utility extends beyond preoperative planning to monitoring response to medical therapy.

Conclusions:

  • Accurate diagnosis of perianal fistulas and complications using MR imaging is vital.
  • MR imaging aids in optimizing treatment strategies and improving patient outcomes.
  • The role of MR imaging in evaluating therapeutic response is increasingly significant.
Keywords:
Crohn diseaseFistulaMR imagingPerianal

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