The intersphincteric is the most common and the extrasphincteric is the least common. Some patients with more severe disease may require multiple surgeries to take care of the problem. If you have any questions, you should ask your GP or other relevant health professional. Treatment is usually necessary to reduce the chances of infection in an anal fistula, as well to alleviate symptoms. The tract begins in the space between the internal and external sphincter muscles and opens very close to the anal opening. Anal abscess and fistula. Fistula with seton and abscess scar.
Anal fissure with sentinel tag. Extrasphincteric fistula. The slides were analyzed for evidence of fistula tract by evaluating each side of the fistula lumen internal and external orifice , presence of lumen, granulation tissue and area of epithelialization. However, a fistula can also occur without an abscess. Small amount of muscle can usually be safely divided to treat the anal fistula without compromising continence. Colon and rectal surgeons are experts in the surgical and non-surgical treatment of diseases of the colon, rectum and anus.
Anal fistulae per se do not generally harm, but can be very painful, and can be irritating because of the drainage of pus it is also possible for formed stools to be passed through the fistula. After 30 days the animals were sacrificed for histological demonstration of fistula. If you have any questions, you should ask your GP or other relevant health professional. Injection of a contrast solution into a fistula and then X-raying it Magnetic resonance imaging Tools used to rule out other disorders such as ulcerative colitis or Crohn's disease include: Flexible sigmoidoscopy. People who may have experience with recurring anal abscesses may have an anal fistula. Patients with fistulas have similar symptoms, as well as drainage from an opening near the anus. Objective The study aimed to develop an experimental model of anal fistula in rats to study new treatment strategies.