Rectovaginal fistula (MRI enema)

Discussion:

An MRI enema protocol utilizes the soft tissue resolution of MRI to delineate vaginal and anorectal anatomy, with the luminal gel insertion providing further data regarding the possibility of a fistula track. Multiplanar reformats of the volume T2 sequences aid in image analysis and reporting. The study can be acquired in 20 minutes and avoids the need for radiation from fluoroscopy or CT, of greater importance in younger patients undergoing investigation for obstetric anorectovaginal fistula.

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