NCIt definition : A mixed germ cell/sex cord-stromal tumor characterized by the presence of large germ
cells which resemble seminoma cells and small cells which resemble Sertoli or granulosa
cells. It occurs in the testis and the ovary and is identified in children and adults.
It is often associated with gonadal dysgenesis and abnormal karyotype.;
Alternative definition : NICHD: A mixed germ cell/sex cord-stromal tumor characterized by the presence of large
germ cells that resemble seminoma cells and small cells that resemble Sertoli or granulosa
cells. It occurs in the testis and the ovary, and is identified in children and adults.
It is often associated with gonadal dysgenesis and abnormal karyotype.;