Anal fistula

A button in the anal area, pain, the impression that it does not heal. So many signs of an anal fistula that you need to heal as soon as possible to avoid complications.

To understand the mechanism of the anal fistula, let's take an anatomical tour around the anus area. One finds there, among others, the anal canal, which separates the rectum from the external environment. It is at this canal that there are small formations called crypts (Morgagni) leading to glandular channels inside the tissues. If an infection develops at this level, we will not notice immediately, especially since it is not necessarily painful at first.

The characteristic of any infection is to spread almost anarchically. It will then extend into the channels and try to make a trip to get out by any means possible.

Thus, inside the tissues of the buttocks, tunnels will be created, in a very small way. These pathways, which are not natural, can go as far as piercing the skin. At first, there are no obvious signs, except something that looks like a little infected button that oozes. At this stage if you do not treat it, it can turn into abscess.

Be careful not to confuse the anal fistula with:

  • The anal fissure, which is a lesion that lies inside the anal mucosa, in the rectum. It does not have the same causes as anal fistula since it can be the result of trauma. The symptoms and the follow-up are not the same either.
  • The pilonidal cyst, which as its name indicates is the result of a hair that grows towards the inside of the skin instead of going outward. Placed often at the level of the gluteal fold, it causes different complications but also a different treatment.

Author: Ladane Azernour-Bonnefoy

What are the causes of bleeding from the anus?

Causes of bleeding from the anus may be various and more or less complicated to treat. The annular fistula is one of them.

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Read also :

Anal incontinence: a symptom that remains taboo
The anal fissure: what signs and how to treat it?
Bleeding of the anus: causes and treatments

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