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Open Access Publications from the University of California

Dermatology Online Journal

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A pediatric case of unusual melanocytic proliferation of the nail


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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