Patches

Definition

A patch is a flat area of color change in the skin that is 1 cm or more wide.

Images

Skin layers

References

Gawkrodger DJ, Ardern-Jones MR. Terminology of skin lesions. In: Gawkrodger DJ, Ardern-Jones MR, eds. Dermatology: An Illustrated Colour Text. 6th ed. Philadelphia, PA: Elsevier; 2017:chap 7.

Review Date: 
6/28/2018
Reviewed By: 
Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.