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Amyloidosis cutis dyschromia is a rare primary cutaneous amyloidosis characterized by macular or reticulate hyperpigmentation with symmetrically distributed guttate hypo- and hyperpigmented lesions which progress gradually over the years to involve almost the entire body (with relative sparing of the face, hands, feet and neck). Patients are usually asymptomatic, however mild pruritus may be associated. Amyloid deposition in the papillary dermis is observed on skin biopsy. Systemic amyloidosis is not present and association with generalized morphea, atypical Parkinsonism, spasticity, motor weakness or colon carcinoma is rare.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for amyloidosis cutis dyschromia.
7 publications have been identified in PubMed for amyloidosis cutis dyschromia. Research spans Case Report / Case Series (71%) and Other (29%).
Vasilevsky NA (2026). [PMID: 41052288](https://pubmed.ncbi.nlm.nih.gov/41052288/). *Genetics*. [Other]
Zhong CJ (2025). [PMID: 39487057](https://pubmed.ncbi.nlm.nih.gov/39487057/). *An Bras Dermatol*. [Case Report / Case Series]
Korany MM (2025). [PMID: 39912137](https://pubmed.ncbi.nlm.nih.gov/39912137/). *Indian J Dermatol Venereol Leprol*. [Other]
Untaaveesup S (2025). [PMID: 40792575](https://pubmed.ncbi.nlm.nih.gov/40792575/). *Acta Derm Venereol*. [Case Report / Case Series]
Priyadhashini BV (2024). [PMID: 39119318](https://pubmed.ncbi.nlm.nih.gov/39119318/). *Indian J Dermatol*. [Case Report / Case Series]
Rane MC (2024). [PMID: 39119323](https://pubmed.ncbi.nlm.nih.gov/39119323/). *Indian J Dermatol*. [Case Report / Case Series]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 6:56 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Lau M (2024). [PMID: 39100800](https://pubmed.ncbi.nlm.nih.gov/39100800/). *JAAD Case Rep*. [Case Report / Case Series]