Source:http://linkedlifedata.com/resource/umls/id/C0205898
NCI: A fast growing type of brain tumor that occurs in or around the pineal gland, a tiny organ near the center of the brain.,NCI: A poorly differentiated malignant embryonal neoplasm arising from the pineal region of the brain.,NCI: A poorly differentiated malignant embryonal neoplasm arising from the pineal region. It usually occurs in children and it is characterized by the presence of small immature neuroepithelial cells. It may follow an aggressive clinical course.