A 16-year-old male had brown macules in a geographic pattern with increased terminal hair on the back and dusky red partially blanchable non progressing macules on his left thigh since birth. Clinical diagnoses of Becker's nevus and port-wine-stain were made and confirmed histopathologically. In addition, he had multiple lentigines on the face and trunk and a single café-au-lait-macule on his chest.
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Joshi et al. (1999) studied this question.
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