Magnetic resonance imaging in perianal fistulas-A pictorial atlas
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Updated: Mar 15, 2026

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
Published on: April 17, 2019
Gururaj Sharma1, Ganesh Khandige2, Manjit Mohan2
1Department of Radiology, A J Institute of Medical Sciences, NH-66, Kuntikan, Mangalore, 575 004, India. gururajsharma@yahoo.com.
Abstract:
This pictorial atlas provides a review of perianal fistulas with a brief description of the relevant anatomy, technique of imaging, and examples of various fistula types. Magnetic resonance imaging is highly accurate for depiction of both the primary tract and its secondary branches as well as abscesses. It is useful in the accurate preoperative classification of perianal fistulas and allows institution of the correct surgical procedure, thereby reducing the chances of recurrence or complications from occurring.
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