| Affiliation: | 1. Gamma Knife Center, Nasser Institute, Cairo, Egypt;2. Department of Clinical Oncology, Faculty of Medicine, Ain Shams University, Cairo, Egypt;3. Department of Neurosurgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt;4. Department of Pathology, Faculty of Medicine, Ain Shams Univesity, Cairo, Egypt;5. Department of Radiation Oncology, National Cancer Institute, Cairo University, Cairo, Egypt;6. Department of Neurosurgery, Faculty of Medicine, Benha University, Benha, Egypt |
