Papule

• A discrete, solid, elevated body usually less than 1 cm in diameter.
• Papules are further classified by shape, size, color, and surface change.

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  Firm, smooth papules of eruptive xanthoma.

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  Smooth papules of molluscum contagiosum in a linear distribution.

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  Smooth, tiny follicular papules of uniform size and shape of lichen spinulosus.

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  Typical "flat-topped" papules on volar wrists in lichen planus.