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Linear focal elastosis is a rare, acquired, dermis elastic tissue disorder characterized by asymptomatic, palpable, hypertrophic or atrophic, yellowish or red, indurated, horizontal, striae-like linear plaques distributed symmetrically across the mid and lower back. No systemic involvement has been described. Skin biopsy reveals a focal increase in abnormal elastic tissue with abundant, wavy, fragmented and aggregated, basophilic elastic fibers in the reticular dermis.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for linear focal dermal elastosis.
5 publications have been identified in PubMed for linear focal dermal elastosis. Research spans Case Report / Case Series (75%) and Review / Meta-Analysis (25%).
Aung T (2025). [PMID: 40859862](https://pubmed.ncbi.nlm.nih.gov/40859862/). *Australas J Dermatol*. [Review / Meta-Analysis]
Alrefaie SI (2025). [PMID: 40171012](https://pubmed.ncbi.nlm.nih.gov/40171012/). *Clin Case Rep*. [Case Report / Case Series]
Aung T (2025). [PMID: 40334146](https://pubmed.ncbi.nlm.nih.gov/40334146/). *Clin Exp Dermatol*. [Case Report / Case Series]
Ahmad A (2025). [PMID: 40919395](https://pubmed.ncbi.nlm.nih.gov/40919395/). *Clin Case Rep*. [Case Report / Case Series]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 9:38 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center