Papules are circumscribed, solid elevations of the skin, up to 1 cm in diameter. The elevation may be due to accumulation of cells, fluid, debris or metabolic deposits and may be follicular or interfollicular in orientation. Papules often begin as erythematous macules. Patches (see Macule) Plaque A plaque is an elevation of the skin that is usually flat and wider than it is tall. These can result from edema (wheals), coalescence of adjacent papules, or be of neoplastic origin.

Pink bumps on the skin.

Small (5mm in diameter), solid, round pink or red inflammatory acne lesions that may itch or be quite painful