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Cutaway view of digestive tract

What Is an Ileostomy?

During an ileostomy, doctors either remove or disconnect your colon (large intestine), and sometimes part of the last section of your ileum (last section of your small intestine). If your colon or ileum is diseased, doctors may remove them. If they are injured, doctors may disconnect them for a short time, while they heal. Your doctor will bring the end of the ileum through your abdominal wall. This makes an opening, called a stoma, for stool and mucus to pass out of the body.

An End Ileostomy

The most common type of ileostomy is the end ileostomy.

  • Your doctor removes or disconnects your colon, and sometimes part of your ileum. Your doctor may also remove or disconnect your rectum and anus. 

  • The stoma is most often on the lower right side of your abdomen.

  • Stool tends to be quite liquid, because there is no colon to absorb water from the stool. The stool also contains digestive juices, so it is very irritating to the skin.

  • An end ileostomy is most often permanent. Your doctor may perform this operation to treat inflammatory bowel disease or polyps (growths) in your intestine.

  • Sometimes an end ileostomy is temporary. Your doctor may perform this operation to let your colon heal, as after an injury.

There are other types of ileostomies. These can be temporary or permanent.

The Stoma

Your doctor creates the stoma by bringing the end of the ileum through your abdominal wall, and turning it back on itself, like a cuff.

  • The inside of the ileum is like the inside of your mouth. The stoma is pink and moist.

  • The stoma shrinks to its final size six to eight weeks after surgery. Then it will be round or oval and sit about 1/4 to 1/2 inch above your skin.

  • Both stool and mucus pass through the stoma. If your anus is not removed, some mucus may pass from your anus as well.

 

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