title: Mosaic chromosome 6 trisomy in an epidermal nevus.
abstract: We report a 2-year-old boy with a linear epidermal nevus. Mosaicism for chromosome 6 in skin fibroblasts of affected skin was discovered. Trisomy 6 has not been previously implicated as an isolated finding in epidermal nevi or cutaneous mosaicism.
authors.affiliation: Skin Genetics Clinic, Sheffield Genetic Services, Sheffield Children's Hospital, Sheffield, UK. glenda.sobey@sch.nhs.uk
authors.forename: Glenda J
authors.initials: GJ
authors.lastname: Sobey
authors.forename: Oliver W
authors.initials: OW
authors.lastname: Quarrell
authors.forename: Steven
authors.initials: S
authors.lastname: Williams
authors.forename: Helen M
authors.initials: HM
authors.lastname: McGrath
mesh_terms: D002675:Child, Preschool; D002896:Chromosomes, Human, Pair 6 / Q000235:genetics*; D006801:Humans; D008297:Male; D009030:Mosaicism; D009506:Nevus / Q000235:genetics* / Q000473:pathology; D012878:Skin Neoplasms / Q000235:genetics* / Q000473:pathology; D014314:Trisomy / Q000175:diagnosis*