MR Imaging of Perianal Fistulas

Radiol Clin North Am. 2018 Sep;56(5):775-789. doi: 10.1016/j.rcl.2018.04.005. Epub 2018 Jul 11.

Abstract

In this article, we begin with an introduction of the perianal region anatomy, then review the definition, etiology, epidemiology, and 2 major classification systems of perianal fistulas. The role of MR imaging for assessment of perianal fistulas is mainly discussed. Finally, the medical and surgical treatment principles are reviewed.

Keywords: Classification; MR imaging; Perianal fistulas; Treatment.

Publication types

  • Review

MeSH terms

  • Anal Canal / diagnostic imaging*
  • Fistula / diagnostic imaging*
  • Humans
  • Magnetic Resonance Imaging / methods*
  • Rectal Diseases / diagnostic imaging*
  • Rectum / diagnostic imaging*