pinealoma

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pinealoma

 [pin″e-ah-lo´mah]
a tumor of the pineal body composed of neoplastic nests of large epithelial cells; it may cause hydrocephalus, precocious puberty, and gait disturbances.

pin·e·a·lo·ma

(pin'ē-ă-lō'mă),
A term that has been variably used to designate germ cell tumors, pineocytomas, and pineoblastomas of the pineal gland.
[pineal + G. -oma, tumor]

pinealoma

/pin·e·a·lo·ma/ (pin″e-ah-lo´mah) a tumor of the pineal body composed of neoplastic nests of large epithelial cells; it may cause hydrocephalus, precocious puberty, and gait disturbances.

pinealoma

[pin′ē·əlō′mə] pl. pinealomas, pinealomata
Etymology: L, pineas + Gk, oma, tumor
a rare neoplasm of the pineal body in the brain, characterized by hydrocephalus, pupillary changes, gait disturbances, headache, nausea, and vomiting.

pinealoma

A neoplasm of the pineal gland, which is designated in increasing order of aggressiveness as pineocytoma, pineal parenchyma tumour and pineoblastoma. Pineoblastomas are composed predominantly of primitive cells.

pin·e·a·lo·ma

(pin'ē-ă-lō'mă)
A term that has been variably used to designate germ cell tumors, pineocytomas, and pineoblastomas of the pineal gland.
[pineal + G. -oma, tumor]

pinealoma 

A tumour of the pineal body, a small glandular structure that lies between the two superior colliculi in a depression below the splenium of the corpus callosum. It may result in a loss of the pupil light reflex, vertical gaze palsy (especially in children), hydrocephalus, as well as a disturbance of the secretion of melatonin, which is related to the diurnal dark-light cycles. Syn. pineoblastoma. See convergence-retraction nystagmus.

pinealoma

a rare tumor of the pineal body composed of neoplastic nests of large epithelial cells; it may cause hydrocephalus, precocious puberty and gait disturbances.