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Fistula
Overview
Information
Fistulas may occur in many parts of the body. Some of these are:
- Arteriovenous (between an artery and vein)
- Biliary (created during gallbladder surgery, connecting bile ducts to the surface of the skin)
- Cervical (either an abnormal opening into the cervix or in the neck)
- Craniosinus (between the intracranial space and a paranasal sinus)
- Enterovaginal (between the bowel and vagina)
- Fecal or anal (the feces is discharged through an opening other than the anus)
- Gastric (from the stomach to the surface of the skin)
- Metroperitoneal (between the uterus and peritoneal cavity)
- Pulmonary arteriovenous (in a lung, the pulmonary artery and vein are connected, allowing the blood to bypass the oxygenation process in the lung (pulmonary arteriovenous fistula)
- Umbilical (connection between the umbilicus and gut)
Types of fistulas include:
- Blind (open on one end only, but connects to two structures)
- Complete (has both external and internal openings)
- Horseshoe (connecting the anus to one or more points on the surface of the skin after going around the rectum)
- Incomplete (a tube from the skin that is closed on the inside and does not connect to any internal organ or structure)
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