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An anal fistula is an abnormal connection between the lining on the inside of your anal canal back passage and the skin near your anus. Most anal fistulas are caused by an abscess a collection of pus that has developed in your anal canal. The pus can drain away onto your skin on its own or by an operation. A fistula happens when the track, made by the pus on the way to the surface of your skin, stays open. The operation is usually performed under a general anaesthetic and usually takes 15 to 30 minutes. To lessen the risk of bowel incontinence when you pass a bowel movement without wanting to your treatment may involve several operations over a number of months.

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. Alternative surgical treatments include setons, fibrin glue, collagen plugs and flaps to cover the internal fistula opening.

An anal fissure is a small tear or ulcer open sore in the skin just inside your anus bottom. It causes severe pain, and sometimes bleeding when you pass faeces. Anal fissures often go away by themselves with some simple self-help measures. Anal fissures develop in the skin lining your back passage, just inside your anus your anal canal. Anal fissures usually develop towards the back of your anus.

Fissures are a small split or tear in the skin. Anal fissures are small splits or tears in the mucosal lining of the lower rectum and can range from involving only the epithelium to encompassing the entire thickness of the anal mucosa. Anal fissures can be acute or chronic. The goal of treatment is to relieve pain, constipation , and spasms, as well as reduce the resting internal anal sphincter pressure so that the fissure can fully heal. Therapy for anal fissures ranges from conservative measures to pharmacologic treatments to surgical interventions.