Esophageal Leiomyoma 

  • Author: Sandeep Mukherjee, MB, BCh, MPH, FRCPC; Chief Editor: Julian Katz, MD   more...
 
Updated: May 24, 2010
 

Background

Benign tumors of the esophagus are rare lesions that constitute less than 1% of esophageal neoplasms. Nearly two thirds of benign esophageal tumors are leiomyomas; the others mostly are polyps and cysts. Thus, leiomyomas are the most common benign tumors of the esophagus.

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Pathophysiology

Leiomyomas represent a hyperproliferation of interlacing bundles of smooth muscle cells that are well-demarcated by adjacent tissue or by a smooth connective tissue capsule. They usually arise as intramural growths, most commonly along the distal two thirds of the esophagus. They are multiple in approximately 5% of patients.

The majority of leiomyomas have been discovered incidentally during evaluation for dysphagia or during autopsy. Bleeding rarely occurs in cases of benign disease but typically is observed with leiomyosarcoma, the malignant counterpart of this tumor. The potential for malignant degeneration of leiomyomas is extremely small. In the distal esophagus, leiomyomas may reach large proportions and may encroach on the cardia of the stomach.

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Epidemiology

Frequency

International

Esophageal leiomyomas comprise less than 0.6% of all esophageal neoplasms, both in the United States and worldwide.

Race

No known differences

Sex

No known differences

Age

Typically occur in individuals aged 20-50 years

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Contributor Information and Disclosures
Author

Sandeep Mukherjee, MB, BCh, MPH, FRCPC  Associate Professor, Department of Internal Medicine, Section of Gastroenterology and Hepatology, University of Nebraska Medical Center; Consulting Staff, Section of Gastroenterology and Hepatology, Veteran Affairs Medical Center

Sandeep Mukherjee, MB, BCh, MPH, FRCPC is a member of the following medical societies: Royal College of Physicians and Surgeons of Canada

Disclosure: Merck Honoraria Speaking and teaching; Ikaria Pharmaceuticals Honoraria Board membership

Coauthor(s)

Anastasios K Konstantakos, MD  Clinical Associate Surgeon, Department of Cardiovascular Surgery, Billings Clinic, Billings, Montana

Disclosure: Nothing to disclose.

Specialty Editor Board

Maurice A Cerulli, MD  Program Director, Division of Gastroenterology and Hepatology, Associate Professor of Clinical Medicine, Albert College of Medicine Program in Gastroenterology at Long Island Jewish Medical Center

Maurice A Cerulli, MD is a member of the following medical societies: American Association for the Study of Liver Diseases, American College of Gastroenterology, American Gastroenterological Association, American Medical Association, American Society for Gastrointestinal Endoscopy, and New York Society for Gastrointestinal Endoscopy

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD  Senior Pharmacy Editor, eMedicine

Disclosure: eMedicine Salary Employment

Simmy Bank, MD  Chair, Professor, Department of Internal Medicine, Division of Gastroenterology, Long Island Jewish Hospital, Albert Einstein College of Medicine

Disclosure: Nothing to disclose.

Alex J Mechaber, MD, FACP  Associate Dean for Undergraduate Medical Education, Associate Professor of Medicine, University of Miami Miller School of Medicine

Alex J Mechaber, MD, FACP is a member of the following medical societies: Alpha Omega Alpha, American College of Physicians-American Society of Internal Medicine, and Society of General Internal Medicine

Disclosure: Nothing to disclose.

Chief Editor

Julian Katz, MD  Clinical Professor of Medicine, Drexel University College of Medicine; Consulting Staff, Department of Medicine, Section of Gastroenterology and Hepatology, Hospital of the Medical College of Pennsylvania

Julian Katz, MD is a member of the following medical societies: American College of Gastroenterology, American College of Physicians, American Gastroenterological Association, American Geriatrics Society, American Medical Association, American Society for Gastrointestinal Endoscopy, American Society of Law, Medicine & Ethics, American Trauma Society, Association of American Medical Colleges, and Physicians for Social Responsibility

Disclosure: Nothing to disclose.

References

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