PERFACT procedure: A new concept to treat highly complex anal fistula

Figure 1 Preoperative magnetic resonance imaging of the perianal region and its schematic diagram showing a recurrent horseshoe abscess and fistula from 2 to 10 o’clock position in a 29-year-old female patient. There was no external opening and the internal opening was at the posterior midline. Arrows in the upper pictures show the position of the horseshoe abscess.