Guidelines to diagnose and treat peri-levator high-5 anal fistulas: Supralevator, suprasphincteric, extrasphincteric, high outersphincteric, and high intrarectal fistulas

Figure 3 A 39-year-old male patient with a high transsphincteric fistula with supralevator extension at 3 o’clock. There is a high intrarectal tract from 6 to 7 o’clock. The internal opening is at 6 o’clock position. A: Coronal section (schematic diagram); B: Axial section (schematic diagram); C: T2-weighted magnetic resonance imaging (MRI) Coronal section showing supralevator tract; D: T2-weighted MRI Axial section; E: Sketch of MRI Coronal section highlighting fistula tract (light green color); F: Sketch of MRI Axial section highlighting fistula tract (light green color).