摘要
Male germ cell tumors （GCTs） are predominantly derived from testis, while about 2-5% of which arise at extragonadal sites. Extragonadal GCTs （EGCTs） have similar histological components as gonadal GCTs and often occur in the midline of the body, making diagnosis difficult.
Male germ cell tumors （GCTs） are predominantly derived from testis, while about 2-5% of which arise at extragonadal sites. Extragonadal GCTs （EGCTs） have similar histological components as gonadal GCTs and often occur in the midline of the body, making diagnosis difficult.
