Serdar Şahin1, Ozan Başkurt2, Nil Çomunoğlu3, Pınar Kadıoğlu1, Nurperi Gazioğlu2
1Department of Endocrinology and Metabolism, İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, İstanbul, Turkey
2Department of Neurosurgery, İstinye University Faculty of Medicine, İstanbul, Turkey
3Department of Pathology, İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, İstanbul, Turkey