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A rare, congenital disorder of the eccrine sweat ducts that presents as grouped keratotic papules and plaques with a linear distribution and/or multiple punctate pits filled with tiny keratotic plugs resembling comedones. The lesion are usually located on the acral portion of a limb.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for porokeratotic eccrine ostial and dermal duct nevus.
5 publications have been identified in PubMed for porokeratotic eccrine ostial and dermal duct nevus. Research spans Case Report / Case Series (60%) and Other (40%).
Chauhan P (2026). [PMID: 41717927](https://pubmed.ncbi.nlm.nih.gov/41717927/). *Indian Dermatol Online J*. [Case Report / Case Series]
Aldhafiri S (2025). [PMID: 40861600](https://pubmed.ncbi.nlm.nih.gov/40861600/). *Cureus*. [Case Report / Case Series]
Beniwal R (2025). [PMID: 40401886](https://pubmed.ncbi.nlm.nih.gov/40401886/). *Dermatol Pract Concept*. [Other]
Tejapira K (2025). [PMID: 40196723](https://pubmed.ncbi.nlm.nih.gov/40196723/). *Clin Cosmet Investig Dermatol*. [Case Report / Case Series]
Li L (2025). [PMID: 40673406](https://pubmed.ncbi.nlm.nih.gov/40673406/). *Int J Dermatol*. [Other]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 5:38 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center