Location Germ cell tumor
pelvis, particularly sacrococcygeal teratoma
ovary
testis
in females, germ cell tumors account 30% of ovarian tumors, 1 3% of ovarian cancers in north america. in younger women germ cell tumors more common, in patients under age of 21, 60% of ovarian tumors of germ cell type, , one-third malignant. in males, germ cell tumors of testis occur typically after puberty , malignant (testicular cancer). in neonates, infants, , children younger 4 years, majority of germ cell tumors sacrococcygeal teratomas.
males klinefelter syndrome have 50 times greater risk of germ cell tumors (gsts). in these persons, gsts contain nonseminomatous elements, present @ earlier age, , seldom gonadal in location.
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