Studying Genes in Samples From Younger Patients With Ovarian or Testicular Sex Cord Stromal Tumors
Conditions
- Childhood Germ Cell Tumor
- Leydig Cell Tumor
- Ovarian Cancer
Interventions
- GENETIC: RNA analysis
- GENETIC: gene expression analysis
- GENETIC: mutation analysis
- GENETIC: reverse transcriptase-polymerase chain reaction
- OTHER: laboratory biomarker analysis
- OTHER: medical chart review
Sponsor
Children's Oncology Group
Collaborators