Fourth ventricle meningioma

Meningiomas occurring primarily in fourth ventricle are rare entities and are believed to be originating from choroid plexus or tela choroidea 1) 2)

1)
Alver I, Abuzayed B, Kafadar AM, Muhammedrezai S, Sanus GZ, Akar Z. Primary fourth ventricular meningioma: Case report and review of the literature. Turk Neurosurg. 2011;21:249–53.
2)
Shrestha R, Yue-Kang Z, Chao Y. Fourth ventricular meningioma in an adult: Case report and review of the literature. Indian J Neurosurg. 2012;01:161–4