Practice Dilemma: Expanding Melanonychia in the Paediatric Setting.

Introduction: Differentiating between benign and malignant pathology in melanonychia can be challenging, particularly in paediatric patients as nail biopsies often require general anaesthesia.

Case Presentation: An 11-year-old healthy Vietnamese female presented with a pigmented right third fingernail. It was first noticed at age 1 and had gradually involved the whole nail plate by age 4.