Test your diagnostic skills in our dermatology quiz. What is the diagnosis of this enlarging lesion occurring on a 13-year-old boy’s neck?
A 13-year-old boy presented with a raised, hyperkeratotic, warty lesion on his neck (Figure 1). His parents said it had been there since his first year of life but had recently enlarged and become more prominent. The patient’s voice broke recently. The lesion is not symptomatic but it often gets caught on his collar.