What Is a Patch Lesion

FLAT LESIONS PATCH – A circumscribed, flat area of discoloration that is greater than 10 mm* in diameter. Slight scale may or may not be present. Example: Vitiligo.

Is a patch a primary lesion?

Primary lesions Macule, patch, wheal, papule, nodule, tumour, vesicle, bulla, pustule, comedo, follicular cast, alopecia, scale, crust.

What is a macule on the skin?

A macule is a flat, distinct, discolored area of skin. It usually does not include a change in skin texture or thickness.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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