Türk Nöroşirürji Dergisi
2014 , Vol 24 , Num 2
Intraventricular Meningiomas
Uludağ Üniversitesi, Tıp Fakültesi, Nöroşirürji Anabilim Dalı, Bursa, Türkiye
Meningiomas in the ventricles are very rare distinct pathologies that originate from arachnoidal cells within the choroid plexus. They generally
occur in middle age adults and in the trigone of the lateral ventricle. Intraventricular meningiomas have a tendency to reach a large size before
presentation. They generally present with symptoms of increased intracranial pressure, gait disturbance, cognitive dysfunction and visual
deficits. Radiologically, they are solid, round and homogenously enhanced lesions in the ventricular system. They biologically behave similarly
to meningiomas elsewhere in the cranial cavity. The management of intraventricular meningiomas creates many diagnostic and surgical
challenges for the neurosurgeon. Complete surgical resection without recurrence is frequently possible. The surgeon approaches the ventricle
using several surgical techniques. It is very important to identify and devascularize the feeding vessels during the resection. Blind traction of
the tumor should be avoided because there is a major draining vein at the unseen side of the meningioma. Stereotactic radiosurgery is not
necessary, but it can be used in progressive unresectable and/or residual meningiomas.
Anahtar Kelimeler :
İntraventricular meningiomas, Surgical approaches