An elevated, solid, superficial skin lesion more than .5cm in diameter. A plaque differs from a nodule in it's height. A plaque tends to be flattened and a nodule is a “bump”. Also, a plaque may have an appearance like that of cobblestone. Also Known As: Eczema, discoid lupus erythematosis, lichen planus, paget's disease, pityriasis, psoriasis, seborrheic dermatitis, tinea corporis, tinea versicolor.