====== Intraventricular ependymoma diagnosis ====== 58% of [[Intraventricular ependymoma]] originate in the [[fourth ventricle]], while the other 42% are located in the lateral and third ventricles ((Koeller KK, Sandberg GD; Armed Forces Institute of Pathology. From the archives of the AFIP. Cerebral intraventricular neoplasms: radiologic-pathologic correlation. Radiographics. 2002 Nov-Dec;22(6):1473-505. doi: 10.1148/rg.226025118. PMID: 12432118.)) see [[Fourth ventricle ependymoma diagnosis]]. see [[Lateral ventricle ependymoma diagnosis]] see [[Third ventricle ependymoma diagnosis]]