FISTULOTOMY (FISTULA-IN-ANO)
Indication: Simple intersphincteric or low transsphincteric fistula-in-ano in a patient with normal continence. Primary fistulotomy is appropriate only when the amount of sphincter muscle overlying the fistula tract is minimal and continence risk is low.
Patient Position: Lithotomy.
Anaesthesia: General or spinal.