Plaque

• A discrete, solid, elevated body, usually broader than it is thick, measuring more than 1 cm in diameter.
• Plaques may be further classified by shape, size, color, and surface change.

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  Smooth annular and arcuate plaques of granuloma annulare on the dorsal hands.

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  Smooth, shiny annular plaque in sarcoidosis.

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  Smooth red plaques on the forearm in acute febrile neutrophilic dermatosis (Sweet syndrome).

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  Large, coalescing urticarial plaques.