of teratoma are often presumed to have low risk of malignancy. We assessed the pre-
operative imaging appearance of pediatric malignant ovarian germ cell tumors (MOGCT)
and the presence of associated teratoma in a series of MOGCT. Design Retrospective
review of clinical and pathology data. Setting Multicenter trial for extracranial malignant germ
cell tumors in young female individuals by the Children's Oncology Group (COG study …