Nummular eczema

Nummular eczema
Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be crusted, scaling, and extremely itchy. The word "nummular" is taken from the Latin "nummus," a small coin.

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eczema presenting in discrete, round (coin-shaped or annular) lesions that may coalesce to form large patches that ooze and crust over; the usual site is on the extensor limb surfaces or the chest, back, or buttocks. Called also discoid e., exudative neurodermatitis, and nummular dermatitis or neurodermatitis.

Nummular eczema.

Medical dictionary. 2011.

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