A Study of Lymphoseek® as a Lymphoid Tissue Targeting Agent in Pediatric Patients With Melanoma, Rhabdomyosarcoma, or Other Solid Tumors Who Are Undergoing Lymph Node Mapping

Inclusion Criteria:

The subject's parent(s)/legal guardian(s) understand(s) and voluntarily signed an informed consent document prior to any study-related assessments/procedures being conducted. Where locally applicable, the subject also understands and voluntarily provides his/her assent prior to any study-related assessments/procedures being conducted
Subject has been diagnosed with melanoma, rhabdomyosarcoma, or other tumor where tumor resection or biopsy is planned and lymph node mapping is appropriate
The subject is clinically node negative (cN0) at the time of screening
Age < 18 years
Male subjects of childbearing potential must be willing to use a condom during sexual intercourse and shall not father a child during the course of the study or will practice complete abstinence while on study
Female subjects of childbearing potential must agree to the use of two physician-approved contraceptive methods simultaneously or practice complete abstinence while on study

Exclusion Criteria:

The subject has had preoperative radiation therapy
Has had previous surgery or radiation to node basins that would be involved in the intraoperative lymph node mapping (ILM) procedure
Has a known allergy to dextran or VBD (if intended to be used)
Has a history of alcohol abuse or alcohol dependency in the 3 years before study entry, or is an alcoholic or drug addict, as determined by the investigator
Before the administration of Lymphoseek, has received any radiopharmaceutical within 7 radioactive half-lives of that radiopharmaceutical