Large congenital melanocytic nevus

This study looks at children with congenital melanocytic nevi (large birthmarks) who choose to have them surgically removed. Researchers want to see if removal improves quality of life and reduces feelings of being stigmatized. About 100 children aged 9 months to 16 years will be…

This study aims to understand how genetics and environmental factors contribute to melanoma, a serious skin cancer. Researchers will enroll up to 3,000 people with a personal or family history of melanoma or related conditions. Participants will fill out questionnaires, provide b…

This study follows 819 children under 2 years old who have medium to giant congenital nevi (pigmented birthmarks). Researchers will track neurological development, melanoma risk, and quality of life over time. The goal is to create better monitoring and treatment guidelines for t…

This study is a registry that gathers medical information from up to 100 people who have either large dark skin patches present at birth or a rare brain condition called neurocutaneous melanocytosis. The goal is to collect data on how these conditions are treated and how they pro…