October 16, 2008 (San Francisco, California) — A novel sphincter-sparing surgical technique for the repair of perianal fistulas has demonstrated a 58% success rate in an American patient population.

It is uncommon for an anal fistula to heal spontaneously. In most cases, surgery is required to treat the condition. The type and technique of surgery will depend on the classification and situation ...

2.1 An anal fistula is an abnormal tract between the anal canal and the skin around the anus. It may cause symptoms such as pain or discomfort, and leak blood or pus. It usually results from previous ...

When a fistula forms between the anal canal and skin near the anus, bleeding, pain and discharge may occur when a person passes stools. Other possible symptoms of an anal fistula include swelling, ...