primary cutaneous amyloidosis lichen amyloidosis https://www.malacards.org/card/lichen_amyloidosis MONDO:0018856 GARD:0018839 amyloid lichen UMLS:C5779561 SCTID:718105008 lichen amyloidosus MEDGEN:1830282 Lichen amyloidosis is a rare chronic form of cutaneous amyloidosis, a skin disease characterized by the accumulation of amyloid deposits in the dermis, clinically characterized by the development of pruritic, often pigmented, hyperkeratotic papules on trunk and extremities, especially on the shins, and histologically by the deposition of amyloid or amyloid-like proteins in the papillary dermis. Orphanet:49804