Prevalence is unknown, but Epidermal nevus syndrome is listed with the National Organization for Rare Disorders, which defines " rare " as affecting " fewer than 200, 000 people in the United States ."
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Synonyms include : " Linear nevus sebaceous syndrome ( LNSS ), " " Schimmelpenning-Feuerstein-Mims syndrome, " " Feuerstein-Mims syndrome, " " sebaceous nevus syndrome, " " Solomon syndrome, " and " Jadassohn's nevus phakomatosis . " " Nevus " is sometimes spelled " naevus " and " sebaceous " may also be spelled " sebaceus . " " Epidermal nevus syndrome " is sometimes used as a synonym, but more often as a broader term referring to Schimmelpenning syndrome in addition to nevus comedonicus syndrome, CHILD syndrome, Becker s nevus syndrome, and phakomatosis pigmentokeratotica.