Abstract
Introduction Discussing common mistaken ways to treat melanocytic nevi. Methods A 16 year old girl presented to us two months after laser ablation of two clinically atypical melanocytic nevi. At the point of both procedures recurrent nevi started to grow. Lesions had worrisome clinical and dermoscopic features. At the same period two more patients presented to us 10–12 months after treatments of their melanocytic nevi with liquid nitrogen cryotherapy. Recurrent nevi came up to both cases again. All cases had atypical clinical and dermoscopic features. Results Atypical histologic and immunohistochemical findings in all three cases confirmed the diagnosis of pseudomelanoma. A new more extended excision was required to treat the recurrent nevi. Conclusion Neither laser ablation nor liquid nitrogen cryotherapy are appropriate to treat melanocytic nevi. The one and only way is surgical excision.
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