Anal fistula MRI

Anal fistula Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2]

MRI

MRI is the gold standard to know about fistula anatomy. Indications:

• Recurrent fistulas
• Primary fistulas that appear to be complex after examination under anesthesia or endoanal ultrasound.