A leiomyoma is a noncancerous (benign) tumor made up mostly of smooth muscle cells. It is called an intestinal leiomyoma when the tumor is located in the intestinal tract.
Leiomyoma - intestine
Gourtsoviannis N, Papanikolaou N, Daskalogiannaki M. The duodenum and small intestine. In: Adam A, Dixon AK, eds. Grainger & Allison's Diagnostic Radiology. 5th ed. Philadelphia, Pa: Churchill Livingstone Elsevier; 2008: chap 32.
Jennifer K. Mannheim, ARNP, Medical Staff, Department of Psychiatry and Behavioral Health, Seattle Children's Hospital. David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.