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The information contained on this page is provided as general health information and is not intended to substitute as medical advice and direction from your physician or health care provider. Please direct any questions related to your health care provider. In an emergency, call 9-1-1 or go to the nearest emergency center.


Patches

Definition

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

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Skin layers

References

Ball JW, Dains JE, Flynn JA, Solomon BS, Stewart RW. Skin, hair and nails. In: Ball JW, Dains JE, Flynn JA, Solomon BS, Stewart RW, eds. Seidel's Guide to Physical Examination. 8th ed. St Louis, MO: Elsevier Mosby; 2015:chap 8.