A fistula is an abnormal connection between two parts inside of the body. Fistulas may develop between different organs, such as between the esophagus and the windpipe or the bowel and the vagina. They can also develop between two blood vessels, such as between an artery and a vein or between two arteries.
Some people are born with a fistula. Other common causes of fistulas include
Treatment depends on the cause of the fistula, where it is, and how bad it is. Some fistulas will close on their own. In some cases, you may need antibiotics and/or surgery.
- CT Enterography (Radiological Society of North America, American College of Radiology) Available in Spanish
- Lower GI Series (Barium Enema) (National Institute of Diabetes and Digestive and Kidney Diseases) Available in Spanish
- MR Enterography (Radiological Society of North America, American College of Radiology) Available in Spanish
- Anal Abscess/Fistula (American Society of Colon and Rectal Surgeons)
- Anatomic Problems of the Lower GI Tract (National Institute of Diabetes and Digestive and Kidney Diseases)
- Arteriovenous Fistula (Mayo Foundation for Medical Education and Research)
- Arteriovenous Malformations and Other Vascular Lesions of the Central Nervous System (National Institute of Neurological Disorders and Stroke) Available in Spanish
- Bladder Fistula (Urology Care Foundation)
- Perilymph Fistula (Vestibular Disorders Association)
- ClinicalTrials.gov: Fistula (National Institutes of Health)