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Definition Return to top
A patch is a flat area of color change in the skin that is greater than 10 millimeters wide.
Update Date: 10/28/2008 Updated by: 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., Inc.

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Page last updated: 26 June 2009 |