Update on melanocytic nevi in children

Area of Science:

• Dermatology
• Pediatric Oncology
• Molecular Biology

Background:

• New or changing melanocytic nevi in children cause parental and physician concern.
• Dermatologists need to understand the natural history and spectrum of pediatric nevi.
• Distinguishing benign nevi from concerning lesions is crucial to avoid unnecessary procedures.

Purpose of the Study:

• To provide an updated review of melanocytic nevi in pediatric patients.
• To focus on nevus evolution, nevogenesis, and melanoma risk markers.
• To discuss special considerations for specific nevus types and locations.

Main Methods:

• Review of current literature on pediatric melanocytic nevi.
• Analysis of dynamic evolution and molecular insights into nevogenesis.
• Identification of phenotypic markers for melanoma risk.

Main Results:

• Melanocytic nevi exhibit dynamic changes in children and adolescents.
• Specific phenotypic markers may indicate increased melanoma risk.
• Congenital melanocytic nevi require size-dependent risk assessment and management.

Conclusions:

• Awareness of pediatric nevus evolution and risk factors is essential for clinical management.
• Special attention is needed for Spitz nevi and nevi in specific anatomical sites.
• Management strategies for congenital and numerous acquired nevi should be tailored.