Magnetic resonance imaging of fistula-in-ano.
prospective_cohort · Level II
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- Record sourced from PubMed, PMID 8026238.
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Abstract
Successful management of anal fistulas depends upon accurate assessment of the primary tract and any secondary extensions. Preoperative imaging has, to date, been disappointing. A prospective study of 35 patients with a clinical diagnosis of fistula-in-ano was performed comparing magnetic resonance imaging with the independently documented operative findings. Magnetic resonance imaging was also compared with anal endosonography in 20 patients. Magnetic resonance imaging is accurate and demonstrates pathology missed at surgery by experienced coloproctologists. Magnetic resonance imaging is superior to anal endosonography. Magnetic resonance imaging is advocated as the method of choice when imaging is required for anal fistulas.
Medical subject headings
- Anus Diseases
- Magnetic Resonance Imaging
- Rectal Fistula