Sometimes an abnormal passage forms from the anal canal to the skin near the anus. Most anal fistulas are the result of...

    An anal fistula is a small tunnel that connects an infected gland inside the anus to an opening on the skin around...

An anal fistula is an abnormal tube-like connection that forms between the inside of the anus and the skin right outside...

An anal fistula is a small tunnel that connects an abscess. They are the result of an infection near the anus causing a...

An anal fistula is a small tunnel that develops between the end of the bowel and the skin near the anus (where poo leaves...