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Pityriasis Rosea (Herald Patch)

Pityriasis Rosea (Herald Patch)
Pityriasis Rosea (Herald Patch)

Initially, most people develop one large scaly patch called the herald patch (arrow), and, within 1 to 2 weeks, smaller pink patches can occur on the trunk, arms, and legs.

Image courtesy of the Public Health Image Library of the Centers for Disease Control and Prevention.

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