Ependymoma of the posterior third ventricle removed successfully through the aqueduct of Sylvius.
D002535:Cerebral Aqueduct; D002551:Cerebral Ventricle Neoplasms; D004806:Ependymoma; D006801:Humans; D020542:Third Ventricle
CEREBRAL VENTRICLES/neoplasms; EPENDYMOMA