Neonatal Blue-Light Phototherapy Could Increase the Risk of Dysplastic Nevus Development

Abstract

To the Editor .— In their letter, Csoma et al1 described the possible concern that blue-light phototherapy would increase nevus development. They screened 747 school-aged children in their teens and reported that 44.6% of these children had received phototherapy. Although there were no differences in the prevalence of melanocytic nevi, the children exposed to blue-light phototherapy had higher numbers of moles and had a significantly higher prevalence of atypical nevi. Because atypical nevi are an important risk factor for the development of malignant melanoma, the authors raised the concern that phototherapy with blue …