UCSF Health medical specialists have reviewed this information. It is for educational purposes only and is not intended to replace the advice of your doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your provider. Anal fissures are cracks or tears in the skin around the anus, causing burning and sharp pain when you have a bowel movement.
Update on anal fistulae: Surgical perspectives for the gastroenterologist
Anal Fistulas are tracks that develop, frequently as the result of an infection, in the layers of the muscle or in fatty layers of tissue involving the area of the anus. Anal Fistulas may increase in size, track through long areas of tissue, forge an outlet and opening into the perineum the area between the anus and the urinary opening , and become infected. They can be very painful and require draining and a process of closure over a period of time. Surgery for Anal Fistulas may involve draining any infection. This may include the placement of a seton or several setons.
An anal fistula is a small tunnel that develops between the skin around your anus and the very end of your back passage the anal canal. The infection can cause an abscess a collection of pus between your skin and anus. When the pus drains away, it may leave a small tunnel the fistula behind. Around a third of people with an abscess in their anus go on to develop a fistula. A fistula is usually a simple tunnel between your skin and your anal canal.
Language: English French. Anal fistulae are common and debilitating; they are characterized by severe pain and discharge. They arise following infection near the anal canal, or as a primary event from an abscess in the abdomen, fistulating into the vagina or perianal skin. For many years, the treatment of choice was to lay open the fistula; however, this risks causing incontinence with potentially devastating consequences.