January 2022 in “Indian dermatology online journal” Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
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March 2012 in “Actas Dermo-Sifiliográficas” An elderly man with skin amyloidosis and abnormal blood proteins was monitored without finding widespread disease after 18 months.
1 citations
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April 2022 in “Clinical Cosmetic and Investigational Dermatology” Topical treatment improved rare scalp lichen amyloidosis.
November 2025 in “Journal of Investigative Dermatology” PCFCL may have unrecognized subtypes and needs more research.
Scalp involvement in primary cutaneous lymphomas is common and can be aggressive, requiring careful attention.