PE: VS stable general exam WNL neuro: alert, oreintate, normal speech pupil 3 mm RTLBE VA 20/20 BE, VF full pink sharp disc both eye Full ECMs no facial weakness motor grade v all, no pronator drift DTR 2+ all BBK plantar response both side MRI: heterogenous enhancing intraventricular mass 4.1°41 2 extend into Rt lateral ventricle IMP: central neurocytoma Operation Rt craniotomy transcortical transventicular appro greyish soft suckable mass obstruct foramen of