Seton stitch

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For people named Seton, see Seton (surname)

A seton or seton stitch is a medical term for a procedure used to aid the healing of fistulae.

The procedure involves running a surgical-grade cord through the fistula tract so that the cord creates a loop that joins up outside the fistula. It is used to allow the fistula to continue to drain while it is healing, rather than allowing the exterior of the wound to close over, thereby potentially trapping pus and other infectious material in the wound (which can cause a future relapse).