To our knowledge, there is no recent literature on the use of radiographs in the evaluation of suspected complications after proctectomy with coloanal or colorectal anastomosis and coloproctectomy with IPAA. Supporting Documents The evidence table, literature search, and appendix for this topic are available at https://acsearch. acr.org/list. The appendix includes the strength of evidence assessment and the final rating round tabulations for each recommendation. For additional information on the Appropriateness Criteria methodology and other supporting documents go to www. acr.org/ac. Anorectal Disease Anorectal Disease 20. Halligan S, Bartram CI. MR imaging of fistula in ano: are endoanal coils the gold standard? AJR Am J Roentgenol 1998;171:407-12. 21. Zbar AP, Armitage NC. Complex perirectal sepsis: clinical classification and imaging. Tech Coloproctol 2006;10:83-93. 22. Sahni VA, Ahmad R, Burling D. Which method is best for imaging of perianal fistula? Abdom Imaging 2008;33:26-30. 23. Lo Re G, Tudisca C, Vernuccio F, et al. MR imaging of perianal fistulas in Crohn's disease: sensitivity and specificity of STIR sequences. Radiol Med 2016;121:243-51. 24. Yildirim N, Gokalp G, Ozturk E, et al. Ideal combination of MRI sequences for perianal fistula classification and the evaluation of additional findings for readers with varying levels of experience. Diagn Interv Radiol 2012;18:11-9. 25. Visscher AP, Felt-Bersma RJ. Endoanal ultrasound in perianal fistulae and abscesses. Ultrasound Q 2015;31:130-7. 26. Buchanan GN, Bartram CI, Williams AB, Halligan S, Cohen CR. Value of hydrogen peroxide enhancement of three-dimensional endoanal ultrasound in fistula-in-ano. Dis Colon Rectum 2005;48:141-7. 27. Sun Y, Cui LG, Liu JB, Wang JR, Ping H, Chen ZW. Utility of 360 degrees Real-time Endoanal Sonography for Evaluation of Perianal Fistulas. J Ultrasound Med 2018;37:93-98. 28. Buchanan GN, Halligan S, Bartram CI, Williams AB, Tarroni D, Cohen CR.
Anorectal Disease. To our knowledge, there is no recent literature on the use of radiographs in the evaluation of suspected complications after proctectomy with coloanal or colorectal anastomosis and coloproctectomy with IPAA. Supporting Documents The evidence table, literature search, and appendix for this topic are available at https://acsearch. acr.org/list. The appendix includes the strength of evidence assessment and the final rating round tabulations for each recommendation. For additional information on the Appropriateness Criteria methodology and other supporting documents go to www. acr.org/ac. Anorectal Disease Anorectal Disease 20. Halligan S, Bartram CI. MR imaging of fistula in ano: are endoanal coils the gold standard? AJR Am J Roentgenol 1998;171:407-12. 21. Zbar AP, Armitage NC. Complex perirectal sepsis: clinical classification and imaging. Tech Coloproctol 2006;10:83-93. 22. Sahni VA, Ahmad R, Burling D. Which method is best for imaging of perianal fistula? Abdom Imaging 2008;33:26-30. 23. Lo Re G, Tudisca C, Vernuccio F, et al. MR imaging of perianal fistulas in Crohn's disease: sensitivity and specificity of STIR sequences. Radiol Med 2016;121:243-51. 24. Yildirim N, Gokalp G, Ozturk E, et al. Ideal combination of MRI sequences for perianal fistula classification and the evaluation of additional findings for readers with varying levels of experience. Diagn Interv Radiol 2012;18:11-9. 25. Visscher AP, Felt-Bersma RJ. Endoanal ultrasound in perianal fistulae and abscesses. Ultrasound Q 2015;31:130-7. 26. Buchanan GN, Bartram CI, Williams AB, Halligan S, Cohen CR. Value of hydrogen peroxide enhancement of three-dimensional endoanal ultrasound in fistula-in-ano. Dis Colon Rectum 2005;48:141-7. 27. Sun Y, Cui LG, Liu JB, Wang JR, Ping H, Chen ZW. Utility of 360 degrees Real-time Endoanal Sonography for Evaluation of Perianal Fistulas. J Ultrasound Med 2018;37:93-98. 28. Buchanan GN, Halligan S, Bartram CI, Williams AB, Tarroni D, Cohen CR.