What causes fistula-in-ano?
What causes fistula-in-ano?
An anal fistula is a small tunnel that develops between the end of the bowel and the skin near the anus (where poo leaves the body). They’re usually the result of an infection near the anus causing a collection of pus (abscess) in the nearby tissue. When the pus drains away, it can leave a small channel behind.
What is fistula-in-ano?
A fistula-in-ano is an abnormal hollow tract or cavity that is lined with granulation tissue and that connects a primary opening inside the anal canal to a secondary opening in the perianal skin; secondary tracts may be multiple and can extend from the same primary opening.
What are the types of fistula-in-ano?
An anal fistula is defined as a small tunnel with an internal opening in the anal canal and an external opening in the skin near the anus….In order of most common to least common, the various types include:
- Intersphincteric fistula.
- Transphincteric fistula.
- Suprasphincteric fistula.
- Extrasphincteric fistula.
What is the treatment of fistula-in-ano?
Fistulotomy. The most common type of surgery for anal fistulas is a fistulotomy. This involves cutting along the whole length of the fistula to open it up so it heals as a flat scar.
What causes fistula to form?
A fistula is an abnormal connection between 2 body parts, such as an organ or blood vessel and another structure. Fistulas are usually the result of an injury or surgery. Infection or inflammation can also cause a fistula to form.
What does Ano mean in medical terms?
The meaning of ANO abbreviation is “Amiodarone Neuropathy Of The Optic Nerve”. What is ANO abbreviation? One of the definitions of ANO is “Amiodarone Neuropathy Of The Optic Nerve”.
What is an anorectal fistula?
An anorectal fistula is an abnormal condition where a passage is formed from the anus to the surface of the skin.
What is rectal fistula?
A rectal fistula is a tunnel-like wound that forms next to your anus, often after you have an abscess (pus buildup under your skin). It spreads from inside your rectum to the skin surface near your anus. A rectal fistulotomy opens and drains the rectal fistula.
