
A 9-year-old boy of Asian descent was referred to the outpatient pediatric dermatology clinic with an asymptomatic linear brown discolouration affecting his left middle fingernail ([Figure 1A][1]). This discolouration had been present for about one year and had not changed in thickness or pigment
Diagnosis, Differential, Male, Nail Diseases, Nails, Biopsy, Humans, Melanocytes, Child, Pigmentation Disorders
Diagnosis, Differential, Male, Nail Diseases, Nails, Biopsy, Humans, Melanocytes, Child, Pigmentation Disorders
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