<unk> s are thought to originate from an error of development, when certain primordial germ cells fail to migrate properly.<unk> s lack histologic differentiation, whereas nongerminomatous germ-cell tumors display a variety of differentiation. Like other germ-cell tumors,<unk> s can undergo malignant transformation.
Germinoma
Mantleoma
Central neurocytoma
Neurothekeoma
Sialoblastoma
Medulloblastoma
Pinealoma
Chordoma