pineocytoma


pin·e·o·cy·to·ma

(pin'ē-ō-sī-tō'mă), A tumor arising in the pineal gland that resembles normal pineal parenchyma.

pineocytoma

(pĭn-ē-ō-sī-tō′mă) A malignant tumor of the pineal gland of the brain.