title: Dramatic spontaneous regression of a medium-sized congenital melanocytic naevus.
abstract: We report a case of a 6-month-old girl who was referred for evaluation of a congenital melanocytic naevus (CMN) on her right thigh. The lesion was consistent with a medium-sized CMN and was managed conservatively. A halo of depigmentation, which coincided with occlusion of the lesion during a holiday in a sunny climate, was noted soon after her fourth birthday and the CNM regressed completely over a 4-month period. A residual patch of leucoderma still remained at the original CMN site > 2 years after its total involution. The process has been documented with photographs and a skin biopsy during the resolving phase.
authors.affiliation: Department of Dermatology, Our Lady's Children's Hospital, Dublin, Ireland. caitriona_55@hotmail.com
authors.forename: C
authors.initials: C
authors.lastname: Cusack
authors.forename: D
authors.initials: D
authors.lastname: Warde
authors.forename: W
authors.initials: W
authors.lastname: Lynch
authors.forename: M
authors.initials: M
authors.lastname: McDermott
authors.forename: R
authors.initials: R
authors.lastname: Watson
mesh_terms: D001706:Biopsy; D005260:Female; D006801:Humans; D007223:Infant; D009365:Neoplasm Regression, Spontaneous / Q000473:pathology*; D009508:Nevus, Pigmented / Q000151:congenital* / Q000473:pathology; D012878:Skin Neoplasms / Q000151:congenital* / Q000473:pathology; D013848:Thigh