Health Library

Ulcers

Definition

An ulcer is a crater-like lesion on the skin or mucous membrane of the mouth, stomach, and other body areas.

Causes

Ulcers can be caused by inflammation or infection. Some ulcers may be caused by a cancer.

References

Habif TM. Principles of diagnosis and anatomy. In: Habif TP, ed. Clinical Dermatology. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 1.


Review Date: 10/28/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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