Treatment of maxillofacial congenital melanocytic nevus with percutaneous radiofrequency thermal ablation: A case series study.When congenital melanocytic nevus (CMN) is in the maxillofacial region, a safer, more effective and fewer side-effects treatment is needed for patients with high requirement for appearance.  The objective of this study was to investigate the effectiveness of radiofrequency thermal ablation (RFA) for CMN in the maxillofacial region. 
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