Pineal Tumors
Incidence
- Germinomas: Pineal region germinomas occur most often in adolescent males
- Pinoblastomas: In very youn children, the most common pineal region tumors are pineoblastomas.
Presentations
- pineal region tumors present most often with increased intracranial pressure due to the compression of the Sylvian aqueduct
- Ocular signs are classicaly noted include features of Parinaud's syndrome:
- decreased upward gaze
- abnormal pupillary responses
- and diminished convergence.
Differential
Germ Cell Tumors
Pineoblastoma (see Embryonal Tumors of CNS of CNS)
Glioma: Ependymal types
Gliomas (Low-Grade): Oliogdendro- and Astro- types
Pineocytoma
Pineal parenchymal tumor of intermediate differentiation
page revision: 6, last edited: 05 Apr 2008 01:49