Cutaneous amyloidosis refers to a variety of skin diseases characterized histologically by the extracellular accumulation of amyloid deposits in the dermis. Rare forms include lichen amyloidosus, X-linked reticulate pigmentary disorder, primary localized cutaneous nodular amyloidosis, and macular amyloidosis. The disease is MONDO_0015301 (primary cutaneous amyloidosis). Also known as: primary localised cutaneous amyloidosis, primary localized cutaneous amyloidosis.