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Updated: Dec 8, 2025

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
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MRI of perianal fistulas in Crohn's disease

Alfonso Reginelli1, Giovanna Vacca1, Sabrina Giovine2

  • 1Department of Precision Medicine, University of Campania "L. Vanvitelli," Naples, Italy. alfonso.reginelli@hotmail.com.

Acta Bio-Medica : Atenei Parmensis
|September 18, 2020
PubMed

Insights

Magnetic Resonance Imaging (MRI) is crucial for evaluating perianal fistulas in Crohn's disease (CD). This gold standard imaging technique provides detailed views of anal sphincters, aiding surgical planning for complex cases.

Area of Science:

  • Gastroenterology
  • Radiology
  • Surgical Pathology

Background:

  • Perianal fistulas are a significant complication of Crohn's disease (CD).
  • Effective management requires a multidisciplinary approach and precise imaging.
  • Accurate assessment of disease activity and complications is essential.

Purpose of the Study:

  • To evaluate the role of Magnetic Resonance Imaging (MRI) in assessing perianal fistulas, secondary extensions, and abscesses in CD patients.
  • To highlight the importance of standardizing MRI protocols for accurate disease evaluation.

Main Methods:

  • A systematic review of ten recent English-language studies on pelvic MRI in CD.
  • Exclusion of non-English studies.

Main Results:

  • MRI offers a panoramic and multiplanar view, providing excellent anatomical detail of anal sphincters.
  • MRI demonstrates high concordance with surgical findings, surpassing other imaging modalities.
  • It is the current gold standard for evaluating perianal fistulas in CD.

Conclusions:

  • MRI plays a pivotal role in the detection and evaluation of perianal fistulas in Crohn's disease.
  • Its detailed anatomical visualization aids in managing complex perineal findings often requiring surgical intervention.

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