A case of lichen amyloidosis

초록

The primary cutaneous amyloidoses are divided into lichen, macular and nodular amyloidosis. Lichen amyloidosis is a chronic pruritic skin disorder characterized by deposition of amyloid material in previously normal skin, without evidence of visceral involvement, and presents as small, discrete, brownish gray papules. Prolonged friction, genetics, viral infection and the environment have been proposed as factors inducing lichen amyloidosis, but the precise pathogenesis of lichen amyloidosis is yet to be determined. We report herein a lichen amyloidosis occurring on the back of a 26-year-old woman who presented with 10-years history of chronic pruritic skin lesion.

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