Intestinal Leiomyoma: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Intestinal Leiomyoma?
A gastroenterologist, a doctor who specializes in the digestive system, usually treats this condition and can remove some growths during endoscopy. If surgery is needed, they work with a surgeon. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
An intestinal leiomyoma is a growth made of smooth muscle cells that forms in the wall of the intestine. Smooth muscle works automatically to move food through your digestive tract. A leiomyoma is benign, meaning it is not cancer and does not spread. These growths are rare, and many people who have one never notice it.
Symptoms
Many intestinal leiomyomas cause no symptoms and are often found by accident. When symptoms happen, they can include belly pain, bleeding in the stool, or feeling full after eating only a small amount. A large growth can block the intestine, causing severe pain, vomiting, and a swollen belly. Long-lasting bleeding can lead to anemia, which causes weakness and tiredness.
Causes and who gets it
Doctors do not know what causes these growths, but they seem to start when smooth muscle cells grow more than they should. They are rare and can appear in adults of any age.
How doctors diagnose it
Doctors often use an endoscopy, a test with a thin flexible tube and camera, to look inside the digestive tract. CT or ultrasound scans can show a growth's size and location. A biopsy helps confirm it is benign.
Treatment
Small leiomyomas without symptoms may only need regular checkups. Growths that bleed, hurt, or block the intestine are usually removed with surgery or during an endoscopy, which also lets doctors test the tissue to be sure it is not something more serious.
When to see a doctor
See a doctor for belly pain that does not go away, blood in your stool, or feeling full after eating very little. Get help right away for severe pain, vomiting, or a swollen belly, since these can mean a blockage.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance; a concierge doctor usually charges more and often works alongside insurance. Either can be a good first stop, with longer appointments that help when describing symptoms. They can order tests, manage mild symptoms, and refer you to a gastroenterologist if needed, then help you understand the results.
Common questions
Is an intestinal leiomyoma cancer?
No, a leiomyoma is a benign growth, which means it is not cancer and does not spread. Doctors still test it carefully because it can look like other growths that may be cancer. Removal and lab testing give the clearest answer.
Can it go away on its own?
There is no strong evidence that these growths disappear without treatment. Small ones that cause no symptoms are often watched instead of removed. Your doctor will decide on a plan based on the size and your symptoms.
How is it different from a gastrointestinal stromal tumor?
A gastrointestinal stromal tumor, often called a GIST, is a different kind of growth that starts in special cells of the intestinal wall. GISTs can be cancer, while leiomyomas are benign. A biopsy and lab tests tell them apart.
Will I need surgery?
Not always. Growths that cause bleeding, pain, or blockage are usually removed, while small symptom-free growths may just be monitored. The plan depends on your test results and how you feel.
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Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
