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Fistula in ano: An overview

Nicholls John R.

Perianal fistula is a very unpleasant condition. It is also quite difficult to be solved without recurrence or with complete preservation of sphincter function. This paper summarizes the etiology, classification of fistulas along with the long term surgical experiences in the approach and the treatment of this condition.

Keywords: perianal fistula, preservation, sphincter function