Chromosomal abnormalities in a pineocytoma.

  title={Chromosomal abnormalities in a pineocytoma.},
  author={Maria Josefa Bello and Juan Antonio Rey and Jos{\'e} Mar{\'i}a de Campos and Michael Kusak},
  journal={Cancer genetics and cytogenetics},
  volume={71 2},
Tumors of the pineal region represent about 0.4-1% of intracranial neoplasms, including those tumors of germ cell origin (primarily germinomas and teratomas, which represent about 80% of pineal malignancies), and those tumors of the pineal parenchyma (pineocytoma and pineoblastoma). Pineocytoma is composed of relatively mature cells of the pineal parenchyma, whereas pineoblastoma represents a more primitive form resembling medulloblastoma. The rarity of these tumors would account for the… CONTINUE READING