Hives are an example of which lesion type?

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Multiple Choice

Hives are an example of which lesion type?

Explanation:
Hives illustrate a wheal, a raised, transient, edematous lesion caused by superficial dermal edema from histamine release. Each wheal appears quickly, is usually very itchy, and tends to fade as the fluid is absorbed, even as new wheals form. The characteristic pale center with a red rim and blanching with pressure help distinguish it as a wheal. In contrast, a vesicle is a small fluid-filled blister, which isn’t the same raised, swelling lesion; an excoriation is a scratch-induced line or lesion on the surface; and chloasma refers to flat, pigmented patches, not raised or edematous.

Hives illustrate a wheal, a raised, transient, edematous lesion caused by superficial dermal edema from histamine release. Each wheal appears quickly, is usually very itchy, and tends to fade as the fluid is absorbed, even as new wheals form. The characteristic pale center with a red rim and blanching with pressure help distinguish it as a wheal. In contrast, a vesicle is a small fluid-filled blister, which isn’t the same raised, swelling lesion; an excoriation is a scratch-induced line or lesion on the surface; and chloasma refers to flat, pigmented patches, not raised or edematous.

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