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Open Access Publications from the University of California

A pediatric case of unusual melanocytic proliferation of the nail

  • Author(s): Mathieu, Regine J
  • Vatanchi, Marjon
  • Heilman, Edward R
  • Glick, Sharon A
  • et al.
Creative Commons 'BY-NC-ND' version 4.0 license

Pigmentation of the nail plate, or melanonychia, is typically a benign condition caused by melanocyte activation. Although rare, melanonychia may be the initial presentation of melanoma, thus all cases require an in-depth examination. Evaluation in pediatric patients can prove especially difficult as benign cases have a higher prevalence of atypia compared to adults. Lack of specific treatment guidelines in the pediatric population can make diagnosis and treatment challenging. We report a pediatric patient with melanonychia with atypical features that required significant evaluations and collaboration to ultimately reach a treatment plan.

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