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

Figure 5 A 40-year-old male patient with a suprasphincteric fistula and abscess on left side. The internal opening is at 6:30 o’clock position. A: Coronal section (schematic diagram); B: Axial section (schematic diagram); C: Short Tau Inversion Recovery (STIR) magnetic resonance imaging (MRI) Coronal section showing suprasphincteric tract and abscess; D: STIR MRI Axial section; E: Sketch of MRI Coronal section highlighting suprasphincteric fistula tract and abscess (light green color); F: Sketch of MRI Axial section highlighting fistula tract and abscess (light green color).