Rectal imaging: Part 2, perianal fistula evaluation on pelvic MRI - What the radiologist needs to know

Ryan B. O'Malley, Mahmoud M. Al-Hawary, Ravi K. Kaza, Ashish P. Wasnik, Peter S. Liu, Hero K. Hussain

Research output: Contribution to journalReview articlepeer-review

50 Scopus citations

Abstract

OBJECTIVE. The purpose of this article is to provide an overview of pelvic MRI for the evaluation of perianal fistulas, with a description of the technique, illustration of relevant normal anatomy, and examples of various fistula types. CONCLUSION. MRI evaluation of perianal fistulas can be challenging, and knowledge of relevant pelvic anatomy and fistula classification remains crucial in the diagnosis. MRI is highly accurate for fistula depiction and, by providing an accurate assessment of disease status and extension, can help surgical planning to minimize recurrence and detect clinically unapparent disease.

Original languageEnglish (US)
Pages (from-to)W43-W53
JournalAmerican Journal of Roentgenology
Volume199
Issue number1
DOIs
StatePublished - Jul 2012
Externally publishedYes

Keywords

  • Fistula
  • MRI
  • Perianal

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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