Ovarian germ cell tumor을지대학교 subintern 20401017 박선진GermcelltumorDerived from the pirmordial germcells ... germcelltumors are rare but curable at all stages of diseaseHistologic typing of ovariangermcell ... cell malignancy All ovarian malignancies ≤ 20yr : 10~20% Grade – useful indicator of prognosis Grade1