Fistula in ano: endoanal sonography versus endoanal MR imaging in classification.


PURPOSE To assess agreement between endoanal sonography, endoanal magnetic resonance (MR) imaging, and surgery in depiction and classification of fistula in ano. MATERIALS AND METHODS Twenty-eight consecutive patients with nonspecific, cryptoglandular fistula in ano were studied. The fistulas were classified with endoanal sonography, endoanal MR imaging… (More)