Study on Safely Guiding Surgery for Melanoma and Similar Skin Tumors in Children Using Pathology and Genetic Information

Program Overview

This study is testing a new approach to surgery for children with melanoma and similar skin tumors that haven't spread. Melanoma can be hard to distinguish from non-cancerous or uncertain skin lesions in children. Misdiagnosis can lead to either insufficient surgery or unnecessary treatment. This trial uses tumor pathology and genetic markers to classify tumors into three categories: not atypical, atypical but low risk, and atypical and high risk. These classifications help guide surgical decisions, aiming to avoid unnecessary surgery while improving outcomes for young patients.

Description

The main goal of this study is to see if using a risk-based system can help guide surgery for children with melanoma and similar skin tumors. The study will also look at how well doctors follow the surgical recommendations and the safety of different surgical approaches.

Patients are divided into groups based on their tumor classification:

• Observation Arm: For tumors that are not atypical, patients are monitored without surgery.
• Treatment Arm A: For low-risk atypical tumors, patients may have a small amount of skin removed around the tumor.
• Treatment Arm B: For high-risk atypical tumors, patients undergo a larger surgery, possibly including a biopsy of the sentinel lymph node.

After treatment, patients are followed up regularly to monitor their health and check for any recurrence of the disease. The study also explores surgical techniques, the use of sentinel lymph node biopsy, and potential complications from surgery. Researchers will compare local and central pathology diagnoses and analyze tumor samples for genetic markers that might predict outcomes.

Eligibility Criteria

Locations