Patches
Definition
A patch is a flat area of color change in the skin that is 0.39 inches (in) or 1 centimeter (cm) or more wide. It is a type of skin lesion.
References
James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM. Cutaneous signs and diagnosis. In: James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM, eds. Andrews' Diseases of the Skin: Clinical Dermatology. 13th ed. Philadelphia, PA: Elsevier; 2020:chap 2.
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