Materials and Methods Ethical committee approval and informed consent were obtained.A total of 31 patients who were suspected of having anal fistula had preoperative the fistulography of MSCT.

• 资料与方法通过MSCT直肠填塞瘘管造影三维重组技术对31例临床拟诊或确诊肛瘘的患者行前瞻性研究,将结果与手术或临床结论对照。