Onychoheterotopia in children

Marco Ferrari; Vittorio Mazzarello; Egidio Barbi

doi:10.4081/dr.2021.9068

Onychoheterotopia in children

https://doi.org/10.4081/dr.2021.9068

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Vol. 13 No. 2 (2021)

Submitted: 6 January 2021
Accepted: 28 January 2021

Published: 5 August 2021

Ectopic nail, Histopathology, Nail morphology, Nail dysplasias

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Authors

Marco Ferrari
dr.marcoferrari@gmail.com
Pediatric Department, University of Trieste; Skinlab, Department of Biomedical Sciences, University of Sassari, Italy. https://orcid.org/0000-0001-7331-0032
Vittorio Mazzarello Skinlab, Department of Biomedical Sciences, University of Sassari, Italy.
Egidio Barbi Pediatric Department, University of Trieste; Institute for Maternal and Child Health IRCCS, Burlo Garofolo of Trieste, Italy. https://orcid.org/0000-0002-6343-846X

The ectopic nail (EN) is an additional nail located in an abnormal site. It belongs to the onycho-heterotopia, a rare condition whose pathogenesis is indeterminate. This article illustrates the clinical-morphological and dermoscopic points of view, the diagnostic criteria, the possible pathogenesis, and surgical treatment of this pediatric onychoheterotopia.