Fig. 2

The procedures of seton placement. (a) Check the fistula tract. (b) Probe the fistula tract and apply a transsphincteric seton. (c) Tie the seton loosely as a noncutting seton drain
The procedures of seton placement. (a) Check the fistula tract. (b) Probe the fistula tract and apply a transsphincteric seton. (c) Tie the seton loosely as a noncutting seton drain