Lichen nitidus is a chronic inflammatory disease of unknown cause characterized by 1–2 mm, discrete and uniform, shiny, flat-topped, pale flesh-colored or reddish-brown papules that may appear as hypopigmented against dark skin. Occasionally, minimal scaling is present or can be induced by rubbing the surface of the papules. The disease usually affects children and young adults and is painless and usually nonpruritic, although protracted itching may occur in some cases.
Lichen nitidus 通常出現在兒童和年輕人中,對性別和所有種族都有同樣的影響。它表現為皮膚上有光澤的小平頂腫塊,通常寬 1 至 2 毫米。這些腫塊通常出現在手臂、腿、腹部、胸部或陰莖上。它通常是無症狀的,因此治療通常針對有症狀或影響美觀的病變。 Lichen nitidus most commonly presents in children and young adults and does not favor one sex or race. Lichen nitidus presents as multiple, discrete, shiny, flat-topped, pale to skin-colored papules, 1 to 2 mm in diameter. These lesions commonly present on the limbs, abdomen, chest, and penile shaft. It is usually asymptomatic, so treatment is generally for symptomatic or cosmetically disturbing lesions.