Lichen amyloidosis in a 57 year old female: A case report

We describe a case of a 57 year old female who presented with multiple papules on bilateral extremities with no other systemic findings. Skin lesions consisted of multiple hyperpigmented scaly papules in a rippled pattern some coalescing into plaques. Histologic examination showed deposits of amorphous eosinophilic materials in the papillary dermis. The diagnosis of lichen amyloidosis was made. Treatment with high potency topical steroid in combination with salicylic acid ointment, emollients, and systemic antihistamine which afforded improvement after 2 weeks. There was 90 percent clearance of lesion within 5 months of therapy. The origin and clinical features of papular primary localized cutaneous amyloidosis (PLCA) are reviewed.