NCIt synonyms : Pineal Parenchymal Cell Tumor; Pineocytic Tumor; Pineal Gland Neoplasm; Tumor of the Pineal Gland; Neoplasm of Pineal Gland; Pineal Parenchymal Neoplasm; Neoplasm of the Pineal Gland; Pineal Parenchymal Tumor; Tumor of Pineal Gland; Pineocytic Neoplasm; Pineal Gland Tumor;
NCIt definition : A neoplasm arising from the pineocyte, a cell with photosensory and neuroendocrine
functions. It may be composed of mature elements or primitive, immature cells. The
cellular composition determines the biological behavior and clinical outcome. Three
types are recognized: pineoblastoma, pineocytoma, and pineal parenchymal tumor of
intermediate differentiation (Adapted from WHO.);