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 ປົກກະຕິແລ້ວປະກົດຢູ່ໃນເດັກນ້ອຍ ແລະຜູ້ໃຫຍ່ໄວໜຸ່ມ, ມີຜົນກະທົບທັງເພດ ແລະທຸກເຊື້ອຊາດເທົ່າທຽມກັນ. ມັນປາກົດເປັນຕຸ່ມນ້ອຍໆ, ເຫຼື້ອມ, ຮາບພຽງຢູ່ຕາມຜິວໜັງ, ປົກກະຕິແລ້ວກວ້າງ 1 ຫາ 2 ມມ. ຕໍາເຫຼົ່ານີ້ມັກຈະປາກົດຢູ່ແຂນ, ຂາ, ທ້ອງ, ຫນ້າເອິກ, ຫຼືອະໄວຍະວະເພດ. ມັນມັກຈະເປັນ asymptomatic, ສະນັ້ນການປິ່ນປົວໂດຍທົ່ວໄປແມ່ນສໍາລັບ lesions ອາການຫຼືການລົບກວນເຄື່ອງສໍາອາງ. 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.