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Contact Dermatitis

A Diagnostic Pearl: The School Chair Sign

Cutis. 2004 July;74(1):27-28

By

Author and Disclosure Information

Samimi SS, Siegfried E, Belsito DV

Allergic contact dermatitis (ACD) reactions to nickel have pleomorphic presentations owing to the ubiquity of this allergen in the environment. In children, ACD to nickel classically occurs on the earlobes, neck, wrists, and infraumbilical area. We describe a newly recognized presentation for this common childhood ACD—on the posterior thighs—which we have termed the school chair sign.

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