Weitere ähnliche Inhalte Ähnlich wie Gamma knife in posterior third ventricular tumors (20) Mehr von All India Institute of Medical Sciences (20) Kürzlich hochgeladen (20) Gamma knife in posterior third ventricular tumors1. Vikas Naik, Deepak Agrawal, SS Kale, MS Sharma, BS Sharma, AK Mahapatra Department of Neurosurgery & Gamma-Knife surgery, All India Institute of Medical Sciences, New Delhi 16. 12/18/2009 NSI-2009 Diagnosis Histology proven MRI based Csf diversion Adjuvant RT Adjuvant CT Meningiomas (8) 4 4 1 0 0 Pineal tumors (4) 3 1 3 1 1 Gliomas (3) 2 1 1 1 0 PNET (1) 1 0 1 0 1 Metastasis (1) 0 1 0 0 0 Total (17) 10 7 6 2 2 20. 12/18/2009 NSI-2009 Symptom No of patients in Primary GK No of patients in Secondary GK Percentage HEADACHE 4 4 47 ASYMPTOMATIC 4 1 29.4 VOMITING 1 2 17.6 HEMIPARESIS 1 2 17.6 DROOPING OF EYELID 1 1 11.76 SEIZURES 1 0 5.8 MEMORY IMPAIRMENT 1 0 5.8 GAIT ATAXIA 1 0 5.8 URINARY INCONTINIENCE 1 0 5.8 DIPLOPIA 1 0 5.8 21. 12/18/2009 NSI-2009 SIGNS No of patients of Primary GK No of patients of secondary GK PERCENTAGE NO DEFICITS 5 3 47 HEMIPARESIS 1 3 23.5 PAPILLOEDEMA 2 1 17.6 PARINAUDS 1 1 11.76 SEVENTH NERVE 1 1 11.76 THIRD NERVE 1 1 11.76 RECENT MEMORY 1 0 5.8 NYSTAGMUS 0 1 5.8 23. SECONDARY GK 12/18/2009 NSI-2009 Diagnosis Follow up period (months) Tumor volume (cm3) Radiation iso dose (Gy) Tumor control Worsening Beningn Meningiomas 54 12.5 12.52 4/4 - Gliomas 4 6.25 16 1/1 - Malignant Pinealoblastoma 9 1.4 24 1/1 - PNET 25 3.2 16 1/1 - 27. At GK planning Pinealoblastoma 9 month after GK 12/18/2009 NSI-2009