The patient, in her early 40s, presented to the clinic with discoid, pink-orange, flat-topped papules and plaques with light scale scattered across her face and neck.

Our patient had flat warts, or verruca plana, viral-induced, slightly elevated flat-topped papules, 2-4 mm in diameter, with minimal scale. The warts tend to be flesh-colored or slightly pigmented.

ADPDM (previously Gottron's papules) appear as red to purple, scaly, flat-topped papules on the dorsal metacarpophalangeal joints. They may be telangiectatic and may eventually atrophy.

Typically flat warts present as multiple smooth, skin-colored to slightly pink or brown flat top papules that measure 1 to 6 mm in diameter. Verrucae plana may present as a single lesion or hundreds.

Lichen planus (LP) is a chronic and remitting T-cell-mediated autoimmune dermatosis that affects the skin, hair, nails, and mucosa. Most cases of LP are idiopathic, but some are associated with ...