Osteonevus of Nanta Presenting as Flesh-Colored Papule of Cheek Following Laser Ablation.

Osteonevus of Nanta is a melanocytic nevus displaying secondary ossification and carrying a potential for malignancy. A solitary occurrence is reported herein, presenting as a flesh-colored papule following laser ablation. A 56-year-old woman sought treatment for a minor papular growth of the cheek. This lesion had developed at the site of prior CO2 laser ablation done elsewhere to eradicate a pigmented nevus. The patient's medical records and histopathology report were obtained after surgical excision. Histologically, a completely excised osteonevus of Nanta was evident, marked by an intradermal nevus with subjacent osseous metaplasia. Clinical presentations of these lesions may vary, but the potential for malignancy remains. (C) 2016 by Mutaz B. Habal, MD.

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