Medical School
Istanbul University Cerrahpaşa Faculty of Medicine (English), 2007-2013
Post-Graduate Training
Istanbul University Cerrahpaşa Faculty of Medicine, 2016
Istanbul University Ümraniye Training and Research Hospital, 2019
Professional Experience
Istanbul University Cerrahpaşa Faculty of Medicine, 2013-2016
Istanbul University Ümraniye Training and Research Hospital, 2016-2023
Medical Interests
Brain Aneurysms
Brain Vascular Diseases and Surgeries
Brain and Skull Base Tumors
Lumbar and Cervical Disc Herniations
Non-surgical Pain Treatments
Pituitary Tumors
Cranial Shape Disorders
Pediatric Brain and Spinal Surgeries
Congenital Brain and Spinal Diseases
Hydrocephalus and Cerebral Fluid Pathways
Chiari Malformation (Cerebellar Herniation)
Head Injuries and Brain Hemorrhages
Spinal Canal Stenosis
Spinal Trauma, Fractures, and Dislocations
Vertebroplasty and Kyphoplasty
Spinal and Spinal Cord Tumors
Needle Treatments for the Spine
Scoliosis and Kyphosis
Specialized Experience
Neurovascular Surgery
Neuro-oncological Surgery
Brain Angiography
Endoscopic Pituitary Surgeries
Pain Treatment with Radiofrequency
Scientific Publications
Varol, E., Etli, M. U., Avci, F., Yaltirik, C. K., Ramazanoglu, A. F., Onen, M. R., & Naderi, S. (2022). Comparison of clinical and radiological results of dynamic and rigid instrumentation in degenerative lumbar spinal stenosis. Journal of Craniovertebral Junction & Spine, 13(3), 350.
Varol, E., Etli, M. U., Avcı, F., Ramazanoğlu, A. F., Aydın, S. O., Yaltırık, C. K., & Naderi, S. (2022). Can Posterior Midline Approach Provide Adequate Exposure for All Craniovertebral Junction Tumors?. World Neurosurgery, 161, e482-e487.
Varol, E., Gungor, A., & Akakin, A. (2022). Anatomical Structures of the DBS Surgery for Parkinson’s Disease. In The Handbook of Neuromodulation (2 Volume Set): Volme 1 (pp. 95-104). Nova Science Publishers, Inc..
Varol, E. The Effect of Fischer Grade and Lamina Terminalis Fenestration on Hydrocephalus In Patients With Bleeding Subarachnoidal Hemorrhage. HAYDARPAŞA NUMUNE MEDICAL JOURNAL, 63(4), 0-0.
Onen, M. R., Varol, E., Tosun, M. İ., & Naderi, S. (2019). Nontraumatic myositis ossificans as an uncommon cause of scoliosis: Case report and review of the literature. World Neurosurgery, 123, 208-211.
Ramazanoğlu, A. F., Aydın, S. O., Etli, M. U., Sarıkaya, C., Varol, E., & Naderi, S. (2022). Role of Spinal Instability Neoplastic Score in Management of Spinal Plasmacytoma. World Neurosurgery, 161, e303-e307.
Gungor, A., Gurses, M. E., Dogan, E., Varol, E., Gökalp, E., Etli, M. U., & Ozoner, B. (2023). Interhemispheric Transcingulate Sulcus Approach to Deep-Seated Medial Frontal and Parietal Lesions—Fiber Dissection Study With Illustrative Cases. Operative Neurosurgery, 24(3), e178-e186.
Aydın, S. O., Etli, M. U., Köylü, R. C., Varol, E., Yaltırık, C. K., & Ramazanoğlu, A. F. (2023). Factors Associated with Nontraumatic Spontaneous Subdural Hematomas in Pediatric Patients. Neuropediatrics, 54(04), 239-243.
Ramazanoglu, A. F., Sarikaya, C., Varol, E., Aydin, S. O., Etli, M. U., Avci, F., & Naderi, S. (2022). Surgical Treatment of Spinal Arachnoid Cysts: Cyst Excision or Fenestration?. Turk Neurosurg, 32(6), 1002-1006.
Sarikaya, C., Varol, E., Cakici, Y. E., & Naderİ, S. (2021). Acute Neurologic Deterioration in Mobile Spinal Schwannoma. World Neurosurgery, 146, 270-273.
Durmuş, Y. E., Kaval, B., Demirgil, B. T., Gökalp, E., Gurses, M. E., Varol, E., ... & Gungor, A. (2022). Dynamic Lateral Semisitting Position for Supracerebellar Approaches: Technical Note and Case Series. Operative Neurosurgery, 10-1227.
Koyuncuer, A., Varol, E., Serarslan Yağcioğlu, B., Bükte, Y., & Sakcı, Z. (2023). Cerebrospinal fluid‐dissemination of a ovarian clear cell carcinoma: A leptomeningial carcinomatosis with diagnostic challenges. Diagnostic Cytopathology.
Aydın, S. O., Etli, M. U., Sarikaya, C., Köylü, R. C., Varol, E., Ramazanoğlu, A. F., ... & Naderi, S. (2023). Spinal Schwannomas: A Proposal for a New Classification to Aid Surgical Planning. Journal of Neurological Surgery Part A: Central European Neurosurgery.
Ramazanoglu, A. F., Varol, E., Avci, F., Etli, M. U., Aydin, S., & Yaltirik, C. K. (2023). Peritumoural Oedema as a Predictor of Overall Survival for Patients with Posterior Fossa Metastases. Journal of the College of Physicians and Surgeons--Pakistan: JCPSP, 33(2), 136-140
Memberships
Turkish Neurosurgical Society
Istanbul Medical Chamber
