- gonadoblastoma [DOID:3301]
A cell type benign neoplasm that is composed_of a mixture of gonadal elements, such as large primordial germ cells, immature Sertoli cells or granulosa cells of the sex cord, and gonadal stromal cells (which comprises the granulosa, theca, and fibrocyte cells).
- monodermal teratoma [DOID:5207]
An ovarian germ cell teratoma that has_material_basis_in a tissue type from one germ cell layer (ectoderm, mesoderm or endoderm).
- childhood CNS embryonal cell carcinoma [DOID:7231]
A central nervous system childhood germ cell tumor characterized by germ cell tumor that develops from embryonic cells that remain in the brain after birth has_material_basis_in abnormally proliferating cells derives_from germ cells.
- childhood germ cell brain tumor [DOID:7430]
A central nervous system childhood germ cell tumor that is characterized by germ cell tumor, that develops from embryonic cells that remain in the brain after birth has_material_basis_in abnormally proliferating cells derives_from germ cells.