NCIt definition : A neoplasm that arises from the ovary and is composed of tissues that resemble dysgerminoma
or seminoma and are admixed with sex cord tissues. It is found in children or young
adults and usually is associated with secondary sex organs abnormalities. The majority
of patients present as phenotypic females with virilization. The minority of patients
present as phenotypic males with feminization. It typically affects both gonads. If
a malignant germ cell component is present, it may metastasize to other anatomic sites.;
Alternative definition : NICHD: A gonadoblastoma that occurs in the ovary.;