====== Pineal region ======

{{ ::pineal_region.jpg?300|}}

The area of the [[brain]] bounded dorsally by the [[splenium]] of the [[corpus callosum]] and the [[tela choroidea]], ventrally by the [[quadrigeminal plate]] and midbrain [[tectum]], rostrally by the posterior aspect of the [[third ventricle]], and caudally by the [[cerebellar vermis]]
((Ringertz N, Nordenstam H, Flyger G. Tumors of the Pineal Region. J Neuropathol Exp Neurol. 1954; 13:540–561)).

The [[pineal]] region, also referred to as the posterior incisural space, is one of the most complex
neurosurgical [[region]]s 
((Yamamoto I. Pineal region tumor: surgical anatomy and approach. J Neurooncol. 
2001 Sep;54(3):263-75. Review. PubMed PMID: 11767292.
)).

===== Pathology =====
A striking feature is the diversity of lesions (neoplastic and nonneoplastic) that may occur in this location due to the variety of tissues and conditions normally present.

see [[Pineal cyst]].


==== Pineal region tumor ====

see [[Pineal region tumor]].


===== Approaches =====

see [[Pineal region approach]].