Efficacy of 308-nm Excimer Laser for Primary Localized Cutaneous Amyloidosis Treatment in Asians

Inclusion Criteria: * Patients, aged \>18 years old with lichen amyloidosis diagnosed by using clinical presentation and pathologic features Exclusion Criteria: * Those with cutaneous amyloidosis associated systemic diseases * Pregnancy or lactating woman * Those who are allergic to urea, olive oil * Those who are photosensitive to ultraviolet radiation * Those who had been previously treated with medications/ radiation/ laser within 3 months for systemic and 1 month for topical therapy