====== Primary brain tumor ====== 
Include any tumor that starts in the [[brain]]. 

Primary [[brain tumor]]s can start from brain cells, the membranes around the brain (meninges), nerves, or glands.

[[Glioblastoma]] (GBM) is the most common and aggressive primary brain tumor characterized by poor [[prognosis]] and high [[recurrence]]. The underlying molecular mechanism that drives tumor progression and recurrence is unclear. 
===== Examples =====


[[Primary central nervous system lymphoma]]...

see [[Central nervous system tumor]].

see [[Pediatric brain tumor]].


===== Clinical features =====

[[Primary brain tumor clinical features]].

===== Diagnosis =====
[[Intracranial tumor diagnosis]]