Fistula‐in‐ano is a common anorectal condition characterized by abnormal tracts connecting the anal canal to the perianal skin. Accurate preoperative evaluation is critical for successful management. Magnetic Resonance (MR) fistulography has emerged as a reliable imaging modality for detailed evaluation of fistula anatomy, aiding surgical planning and improving outcomes. This prospective observational study was conducted at a tertiary care center from December 2023‐2024, involving 20 patients aged 18‐65 years with clinically suspected fistula‐in‐ano. Patients underwent MR fistulogram using a 1.5 Tesla MRI scanner with gadolinium contrast. MR findings were compared with surgical and clinical data to determine accuracy in identifying fistula types, tract locations, secondary tracks and associated complications. Postoperative outcomes, including healing rates and recurrence, were assessed during a 6‐month follow‐up. Statistical analysis was performed using SPSS version 26, with a significance level of p<0.05. MR fistulogram accurately identified fistula types in 90% of cases, demonstrating high concordance with surgical findings. Simple fistulas were most common (40%), followed by complex (30%), high anal (20%) and horseshoe fistulas (10%). The intersphincteric location was the most frequent (50%), while secondary tracks were identified in 30% of cases. MR findings significantly influenced surgical planning, with fistulotomy being the most common approach (50%). Complete healing was achieved in 70% of cases, while 20% showed persistent fistulas and 10% experienced recurrence. MR fistulogram is a highly accurate and effective imaging modality for the evaluation of fistula‐in‐ano. It provides detailed anatomical insights, enabling precise surgical planning and improved postoperative outcomes. Its routine use is recommended for complex and recurrent fistulas.
Rajashree , Sathish Babu and Vinod . MR Fistulogram in Evaluation of Fistula in Ano.
DOI: https://doi.org/10.36478/10.36478/makrjms.2024.12.329.334
URL: https://www.makhillpublications.co/view-article/1815-9346/10.36478/makrjms.2024.12.329.334