Types of Anal Fistula
1. Intersphincteric Fistula
This variant stays confined to the area between internal and external anal sphincter muscles and may require less complex treatment.
2. Transphincteric Fistula
This type demands a more complex approach to treatment since it spreads across the external and internal sphincter muscles.
3. Suprasphincteric Fistula
This travels above the external sphincter muscle and occasionally passes through the levator ani muscle.
4. Extrasphincteric Fistula
This type emerges directly from the rectum and exceeds the external sphincter muscles, thus requiring additional care.