Best Online Consultation with Neurosurgeon diagnosticians: TOP 79 doctors

Dr. Bartolome Oliver has been practicing since 1979 and performs microsurgical operations and utilizes apparatuses of non-invasive radiosurgery. He provides online consultations and is a member of various international medical communities. He is the author of 150 publications and 350 reports at international medical conferences.

Dr. Lechanoine is a highly accomplished neurosurgeon with extensive international experience, currently serving as a senior consultant at Maria Cecilia Hospital in Italy. With over 2,500 surgeries performed, including 1,600 as the lead surgeon, Dr. Lechanoine has built a distinguished career specializing in complex brain and spine surgeries. His areas of expertise include brainstem conditions, intraventricular neuroendoscopy for hydrocephalus and tumors, transsphenoidal surgery for pituitary adenomas, and minimally invasive spine procedures such as UBE (Unilateral Biportal Endoscopy).

His medical journey has taken him across Europe and beyond, with positions at prestigious institutions such as CHU de Grenoble Alpes and CHRU de Tours in France, and Ospedale Santobono in Naples, Italy. In addition, his dedication to pediatric neurosurgery has led to international collaborations, including at the General Peltier Hospital in Djibouti and the Meyer Children’s Hospital in Florence.

Dr. Lechanoine’s education is equally impressive. He graduated in Medicine and Surgery from the University of Caen, France, in 2012 and specialized in neurosurgery at the University of Tours under the guidance of renowned professors Stéphane Velut and Patrick François. His specialization focused on innovative endoscopic treatments for intracranial arachnoid cysts in children. Throughout his career, Dr. Lechanoine has pursued numerous advanced training courses, earning prestigious certifications, including the Diploma of the European Association of Neurosurgical Societies (EANS) and the European Diploma of Spine Surgery (Eurospine).

In addition to his clinical work, Dr. Lechanoine has contributed significantly to the field of neurosurgery through research and education. He has authored numerous scientific publications in leading international journals, with a total impact factor of 71.46. He is also a dedicated educator, serving as a tutor at international workshops on brain and spine endoscopy, and he recently founded a UBE surgical training center at Maria Cecilia Hospital.

Dr. Ksenyuk is an experienced specialist in spine surgery who graduated from the Medical University of Lviv and the Institute of Neurosurgery A. Romodanov in Kiev. He specializes in comprehensive diagnostics and surgical treatment of spine pathologies, including minimally invasive, classic, corrective and pain management methods.

Dr. Conesa is a director of the Institute of Neurosurgery and Neuroscience in Teknon Medical Centre, having obtained a medical degree from the University of Barcelona in 1982 and completed his specialization in neurosurgery at the University Hospital de Bellvitge in 1990. He has held internships in the USA and France, and worked in various hospitals in Barcelona since 1985. He is a member of professional organizations such as the European Association of Neurosurgical Societies, the European Union Congress of Neurosurgeons, the Spanish Society of Neurosurgery, and the Walter Dandy Society.

Award-winning stereotactic and functional neurosurgeon from Turkey, working for over 30 years. 

Expert in deep brain stimulation (DBS). Has provided over 850 successful DBS procedures and more than 1,350 neurosurgery procedures. Broke a Guinness World Record for the biggest number of patients after DBS gathered in one place. Was trained in Germany, Spain, Great Britain, Israel, Belgium, and the USA. Cooperates with Bookimed from 2018 and regularly trains and educates the Bookimed’s team for training and education in neurology.

The Medical Advisory Board expert is a verified credible medical professional with solid theoretical background and practical experience in the field. The expert provides support related to medical content accuracy for medical writers and performs educational workshops to Bookimed coordinators serving patient requests.

The medical content creation under the expert’s control follows rigorous and well-established procedure to be informative, trustworthy, and transparent and making Bookimed.com a credible source of evidence-based health information.

Dr. Tamer Atasever is a Nuclear Medicine Specialist with 39 years of experience, speaking English and Turkish. He is a professor in Gazi University and has been a director of the Department of Nuclear Medicine in Ankara Order Laboratory. He is a member of the Turkey Association of Nuclear Medicine and the European Association of Nuclear Medicine.

Dr. Nejat Akalan is a leading neurosurgeon specializing in brain and nerve surgeries, with over 35 years of experience. His areas of expertise include epilepsy, glioma, skull injuries, movement disorders, spine tumors, herniations, and other nervous disorders. He uses advanced techniques in his surgeries and has published 117 scientific papers and a book.

Professional Experience Compulsory Service 2014 - 15 District Health Director - Güroymak Community Health Center/BİTLİS Specialization 2015 - 20 Fırat University Faculty of Medicine, Department of Neurosurgery. Work Location 2024 - present Eskişehir City Hospital Neurosurgery Department Education Siirt Ataturk Anatolian High School 2003 - 07 Fırat University Faculty of Medicine 2007 - 13 SCIENTIFIC ARTICLES • 1. Ozturk S, Erol FS, Akgun B, Surme MB, Artas G, Ozercan IH. Intradural Extramedullary Spinal Cavernous Hemangioma Mimicking Neurofibroma in a Patient Diagnosed with Neurofibromatosis Type I. Turkish Journal of Neurosurgery 2016; 26:141-144. • 2. Akgun B, Ozturk S, Taskent I, Surme MB, Erol FS, Yildirim H. Evaluation of Apparent Diffusion Coefficients in the Cerebellar Tonsils and Bulbus in Chiari Type I Malformations: Comparison Before and After Surgery. Turk Neurosurg. 2017 May 7. • 3. Surme MB, Hergünsel OB, Ertugrul B, Kaplan M. Ossifying Chronic Subdural Hematoma. Turkiye Clinicals Journal of Neurology. 2017;12:44-48 • 4. Akgun B, Surme MB, Ozturk S, Erol FS. Spontaneous Spinal Epidural Hematomas: Evaluation of 12 Cases. F.U. Journal of Health Science and Medicine. 2016; 30:107-111. • 5. Surme MB, Hergunsel OB, Akgun B, Kaplan M. Cranioplasty with preoperatively customized Polymethyl-methacrylate by using 3-Dimensional Printed Polyethylene Terephthalate Glycol Mold. J Neurosci Neurol Disord. 2018; 2:052-064. • 6. Bakal U, Poyraz AK, Tartar T, Akdeniz I, Surme MB, Çelik S. A Rare Complication of Ventriculoperitoneal Shunt: Asymptomatic Small Bowel Perforation Istanbul Med J 2019; 20(6): 571-3. • 7. De Lima L, Surme MB, Gessi M, Mastronuzzi A, Miele E, Tamburrini G, Massimi L. Central nervous system high-grade neuroepithelial tumor with BCOR alteration (CNS HGNET-BCOR)—case-based reviews Child's Nervous System ( 2020) 36:1589–1599 • 8. Surme MB, Demir F, Erol D., Kaplan M. Is There A Genetic Relationship Between Acute Lymphoblastic Leukemia And Meningioma ? A Case Report Of 3 Genes Analyzes. Arq Bras Neurocir 2021;00:1–3. • 9. Gurbuz O, Surme MB. The effect of intradiscal percutaneous radiopaque gel ethanol injection on pain in patients with lumbar disc herniation: Our clinical experience. Eskisehir Med. J. 2022; 3(2):130-137. • 10. Arikan E, Surme MB. Evaluation of Clinical and Radiological Findings of Patients Diagnosed with Spontaneous Intracerebral Hematoma. Mevlana Medical Sciences Journal 2 (2), 70-74. ORAL PRESENTATIONS • Hergünsel OB, Ertugrul B, Surme MB, Kaplan M. A Case of Cervicogenic Headache Treated with C1 Posterior Arch Resection. Turkish Journal of Neurosurgery 30th Scientific Congress, 8-12 April 2016, Antalya. • Ozturk S, Erol FS, Akgun B, Surme MB, Artas G, Ozercan İH. Intradural Extramedullary Spinal Cavernous Hemangioma Mimicking Neurofibroma in a Patient Diagnosed with Neurofibromatosis Type I. Turkish Neurosurgery Society 30th Scientific Congress. 8-12 April 2016, Antalya. • Ertugrul B, Surme MB, Ozturk S, Kaplan M. A Case of Sacrococcygeal Teratoma Presenting with Intergluteal Tail. Turkish Neurosurgery Society 30th Scientific Congress. 8-12 April 2016, Antalya. • Akgun B, Surme MB, Ozturk S, Demir F, Okcesiz I, Erol FS. Evaluation of Acute Lumbar Disc Hernias with Thin Section Lumbar MRI. 12th International Turkish Spine Congress, 19-22 April 2017, Antalya. • Akgun B, Ozturk S, Taskent I, Surme MB, Erol FS, Yildirim H. Evaluation of Apparent Diffusion Coefficients in the Cerebellar Tonsils and Bulbus in Chiari Type I Malformations: Comparison Before and After Surgery. XVI. World Congress of Neurosurgery, August 20-25, 2017, Istanbul. • Akgun B, Surme MB, Ozturk S, Erol FS. Spontaneous Spinal Epidural Hematomas: Evaluation of 12 Cases. 12th International Turkish Spine Congress. 19-22 April 2017, Antalya. • Surme MB, Hergunsel OB, Celik S., Kaplan M, Erol FS. Evaluation of Cases with Cervical Spondylomyelopathy who underwent corpectomy - Our Clinical Experience. Turkish Neurosurgery Society 32nd Scientific Congress. 20-24 April 2018, Antalya. • Surme MB, Hergunsel OB, Akgun B, Kaplan M. Repair of Orbitofrontal Defects Using Polymethylmethacrylate Grafts Created by 3D Printer. Turkish Neurosurgery Society 32nd Scientific Congress. 20-24 April 2018, Antalya. C I T A T I O N S • My publications have a total of 40 citations. CERTIFICATES (OTHER) • 1. I received an Academic Incentive Bonus for 1 year in 2017 for my academic publications. • 2. Community Health Center Physicians Education. 14-18 July 2014, Kars. (Turkish public health institution). • 3. V. Turkey Zoonotic Diseases Symposium. 24 October 2015, Erzurum. (EKMUD- Turkish Infectious Diseases Specialization Association and TVHB - Turkish Veterinary Medical Association). • 4. Meaningful Occupation Solutions Together. 15-17 April 2015, Gothenburg/Sweden. (Lifelong Learning Programme). • 5. Certificate of Achievement (Position: District Health Manager) 2015, Güroymak/ Bitlis • (Güroymak District Governorship) • 6. Between 16.03.2019 - 04.04.2019, I performed my military service in Mamak/Ankara and was given a 'Certificate of Appreciation'. CERTIFICATES (NEUROSURGERY) • 1. Intracranial Aneurysms and Vascular Neuroanatomy. 14-15 January 2017, Mersin (TNDer Neuroanatomy and Neurovascular Education Training Group). • 2. XII. International Turkish Spine Congress. 19-22 April 2017, Antalya (Turkish Spine Association). • 3. Certificate of Use of Experimental Animals. 10.12.2018 – 20.12.2018, Elazig (FÜSEM- Fırat University Continuing Education Center). • 4. Turkish Neurosurgery Academy 4th Scientific Conference. 1-4 November 2018, Adana. • 5. Turkish Neurosurgery Society Training Program 6.Semester 1.Module. 28.06.2018- 01.07.2018, Mudanya/Bursa. (Spinal and Peripheral Nerve Surgery Group). • 6. Turkish Neurosurgery Association Training Program 7.Semester 2.Module 27.06.2019 – 30.06.2019, Van. (Spinal and Peripheral Nerve Surgery Group). • 7. Turkish Neurosurgery Association Training Program 8th Term 1st Course 2-5 May 2019, Kayseri. (Pediatric Neurosurgery Teaching and Training Group). • 8. Current Developments in Gamma Knife Radiosurgery. 30.11.2019, Elazig. (Koç University Faculty of Medicine Prof. Dr. Selçuk Peker) • 9. Turkish Neurosurgery Society 25. Spinal Symposium 28-31 October 2021, Çeşme. (Spinal and Peripheral Nerve Surgery Group) • 10. Turkish Neurosurgery Society, 34. Scientific Congress. September 30 - October 3, 2021, Online • 11. Turkish Neurosurgery Association, NOVA 19-22 May, 2022, Kütahya. (Speaker) • 12. Spinal Deformity Correction Maneuvers Course 21 May 2022, Eskişehir. (Speaker) • 13. Turkish Neurosurgery Society, 35. Scientific Congress. 24 – 27 November 2022, Antalya. (Speaker) • 14. Complex Spinal Surgery, February 4, 2023, Eskişehir (Speaker). • 15. I worked as a fellow in the Pediatric Neurosurgery department of Catholica University (Rome/Italy) Agostino Gemelli Hospital between 15.01.2020 and 14.02.2020 for 1 month. ORAL PRESENTATIONS(2) • Surme MB, Ertugrul B, Sen D, Kaplan M. Is There a Genetic Link Between Meningioma and Acute Lymphoblastic Leukemia? A Case Presentation Involving the Analysis of 3 Genes. 33rd Scientific Congress of the Turkish Neurosurgery Congress. April 11-14, 2019, Antalya. • Ozturk S, Surme MB, Gönen M, Yıldırım H, Korkmaz S, Kocabıçak E. Analysis of Perfusion Changes in White and Grey Matter in Parkinson's Patients Treated with Subthalamic Nucleus Deep Brain Stimulation. 34th Scientific Congress of the Turkish Neurosurgery Congress. September 30 - October 3, 2021, Online." • "Surme MB, Ustun ME. Case of Vertebrobasilar Insufficiency Due to Vertebral Artery Dolichoarteriopathy. NOVA 2022, Kütahya." • "Ustun ME, Surme MB. Can vertebrobasilar insufficiency lead to parkinson like symptoms? EANS 2022, Belgrade." • "Ustun ME, Surme MB. Do vertebral artery stenoses have an atherosclerotic origin? EANS 2022, Belgrade." • "Surme MB, Yilmaz AH, Ustun ME. Could Resistant Urinary Incontinence Be Related to Vertebrobasilar Insufficiency? Our Initial Case Experiences. 31st National Urology Congress. October 27-30, 2022, Cyprus." • "Surme MB, Akgün B, Isci M, Baloglu M, Millet H. Evaluation of the Effectiveness of Surgical Approaches to Cervical Spondylotic Myelopathy on Cervical Spinal Canal Diameter and T2 Signal Intensity. 35th Scientific Congress of the Turkish Neurosurgery Congress. November 24 – 27, 2022, Antalya. • Surme MB, Cosar A, Daltaban IS, Ustun ME. Efficacy of a New Surgical Technique for Carotid Artery * "Surme MB, Arikan E, Baloglu M, Millet H, Ercan S. Analysis of Clinical and Radiological Findings in Cases November 24 – 27, 2022, Antalya. • "Surme MB, Cosar A, Ustun ME. Can Vertebrobasilar Insufficiency Cause Parkinson-like Symptoms? 35th Scientific Congress of the Turkish Neurosurgery Congress. November 24 – 27, 2022, Antalya. Diagnosed with Spontaneous Intracerebral Hematoma. 35th Scientific Congress of the Turkish Neurosurgery Congress. Dolichoarteriopathies in Patients with Moderate Hemiparesis due to Cerebrovascular Ischemic Attacks. 35th Scientific Congress of the Turkish Neurosurgery Congress. November 24 – 27, 2022, Antalya." • "Baloglu M, Millet H, Ercan S, Surme MB, Yayla E. The Effect of MCI-186 on Lipid Peroxidation in Rats with Experimental Traumatic Brain Injury. 35th Scientific Congress of the Turkish Neurosurgery Congress. November 24 – 27, 2022, Antalya." * "Surme MB, Ustun ME. Can Quantitative ElectroCorticoGraphy (ECoG) Be More Valuable Than Non -Quantitative ECoG? A Preliminary Report. Bridging Neurosciences and Neurosurgery: New Frontiers in Intraoperative Neurophysiology. February 2 – 4, 2023, Verona, Italy

Neurosurgery Training: Gazi University, Department of Neurosurgery, 2011 

H index: 10, I10 Index: 12 Citations: 296

 Dr Mehmet Tonge has international and nationwide 32 publications, 12 book chapters, 92 oral and poster presentations and 41 invited lectures, mostly on Stereotactic and Functional Neurosurgery. 

Work & Training experience:

2004-2011: Gazi University, Department of Neurosurgery (Residency)

 2008: Zurich University Hospital, Department of Neurosurgery (Intraoperative MRI applications), Switzerland 

2008: Zurich University Hospital, Department of Neurosurgery: Microneurosurgery, white matter dissection, interventional neuroradiology courses, Switzerland 

2011 – 2012: Sinop Ataturk State Hospital, Neurosurgeon

 2012 – 2013: Cankiri State Hospital, Neurosurgeon 

2013 – 2014: Istanbul Medipol University, Department of Neurosurgery & Gamma Knife Center (Ass Prof) 

2013 – now: Maastricht University Neurosurgery & Neuroscience Department (Visiting scientist, PhDc) The Netherlands 

2014: Maastricht University, The Netherlands: Deep Brain Stimulation Fellowship 2014-2018: Istanbul Memorial Hospital Neurosurgery: Staff Neurosurgeon

 2016-2018: Istanbul Florence Nightingale Hospital (Consultant, Gamma Knife Center) 

2018-now: Istanbul Medipol University (Stereotactic & Functional Neurosurgery, Gamma Knife Center) Ass. Prof.) 

Dr Mehmet Tonge has completed 4-year cycle EANS (European Association of Neurosurgical Societies) Training courses. 

Clinical areas of interest:

 • Stereotactic & Functional Neurosurgery

 • Surgery for movement disorders

• * MR Guided Focused Ultrasound (MRgFUS)

 • Gamma Knife Radiosurgery 

• Surgery for pain & spasticity 

• Psychosurgery

Research areas of interest: 

• Deep brain stimulation

• * MR Guided Focused Ultrasound (MRgFUS)

 • Stereotactic radiosurgery 

Administrative duties:

 • Turkish Neurosurgical Society, Sterotactic & Functional Neurosurgery Section: Board member 2015- 2017 

• Turkish Neurosurgical Society, Sterotactic & Functional Neurosurgery Section: Board member (Secretary) 2017-2019

 • Turkish Skull Base Society: Board member 2016-2018

 • Turkish Skull Base Society: Supervisory board member 2018-2020

 • Deep Brain Stimulation and Movement Disorders Surgery Society: Executive Board Member, (Accountant) 2023-still 

Memberships: 

• WSSFN (World Stereotactic & Functional Neurosurgery Society) 

• ESSFN (European Stereotactic & Functional Neurosurgery Society)

 • Deep Brain Stimulation and Movement Disorders Surgery Society

 • Deep Brain Stimulation Society 

• International Stereotactic Radiosurgery Society 

• Leksell Gamma Knife Society 

• EANS (European Association of Neurosurgical Societies) 

• Turkish Neurosurgical Society

• Turkish Skull Base Society

Sample Publications: 

1. Tonge M. Technological developments in electric based DBS. Deep Brain Stimulation 2024 4(36-41) DOI: https://doi.org/10.1016/j.jdbs.2023.12.001 

2. Akgul E, Onan HB, Islek I, Tonge M, Durmus Y, Barburoglu M, Azizova A, Erol C, Hakyemez B, Sencer S, Aydin K, Arat A. Flow diverter stents in the treatment of recanalized intracranial aneurysms. Interv Neuroradiol. 2021 Aug;27(4):481-489. doi: 10.1177/1591019921990507. Epub 2021 Jan 28. PMID: 33509011; PMCID: PMC8580529. 

3. Mulders AEP, Temel Y, Tonge M, Schaper FLWVJ, van Kranen-Mastenbroek V,Ackermans L, Kubben P, Janssen MLF, Duits A. The association between surgical characteristics and cognitive decline following deep brain stimulation of the subthalamic nucleus in Parkinson's disease. Clin Neurol Neurosurg. 2021 Jan;200:106341. doi: 10.1016/j.clineuro.2020.106341. Epub 2020 Nov 3. PMID: 33160716. 

4. Wetzelaer P, Vlis T, Tonge M, Ackermans L, Kubben P, Evers S, Kocabicak E, Temel Y. Management of Hardware Related Infections after DBS Surgery: A Cost Analysis. Turk Neurosurg. 2018;28(6):929- 933. doi: 10.5137/1019-5149.JTN.21511-17.1. PMID: 29465741. 

5. Bedirli N, Emmez G, Ünal Y, Tönge M, Emmez H. Effects of positive end- expiratory pressure on intracranial pressure during pneumoperitoneum and Trendelenburg position in a porcine mode. Turk J Med Sci. 2017 Nov 13;47(5):1610-1615. doi: 10.3906/sag-1609-17. PMID: 29152942. 

6. Sari R, Tonge M, Bolukbasi FH, Onoz M, Baskan O, Silav G, Elmaci I. Management of Failed Cranioplasty. Turk Neurosurg. 2017;27(2):201-207. doi: 10.5137/1019-5149.JTN.15395-15.0. PMID: 27593759. 

7. Tonge M, Kocabicak E, Ackermans L, Kuijf M, Temel Y. Final Electrode Position in Subthalamic Nucleus Deep Brain Stimulation Surgery: A Comparison of Indirect and Direct Targeting Methods. Turk Neurosurg. 2016;26(6):900-903. doi: 10.5137/1019-5149.JTN.13739-14.1. PMID: 27337232. 

8. Tonge M, Ackermans L, Kocabicak E, van Kranen-Mastenbroek V, Kuijf M, Oosterloo M, Kubben P, Temel Y. A detailed analysis of intracerebral hemorrhages in DBS surgeries. Clin Neurol Neurosurg. 2015 Dec;139:183-7. doi: 10.1016/j.clineuro.2015.10.017. Epub 2015 Oct 23. PMID: 26513430. 

9. Silav G, Bölükbaşı FH, Özek E, Tönge M, Önöz M, Elmacı İ. A Simple Technique for Bone Storage after Decompressive Craniectomy in Children. Pediatr Neurosurg. 2015;50(3):161-4. doi: 10.1159/000381748. Epub 2015 May 14. PMID: 25998533. 

10. Yilmaz MB, Donmez H, Tonge M, Senol S, Tekiner A. Vertebrojugular arteriovenous fistula and pseudoaneurysm formation due to penetrating vertebral artery injury: case report and review of the literature. Turk Neurosurg. 2015;25(1):141-5. doi: 10.5137/1019-5149.JTN.8247-13.1. PMID: 25640560. 

11. Kurt G, Tönge M, Çeltıkçı E, Çapraz I, Serdaroğlu A, Bılır E. Surgery for intractable temporal lobe epilepsy: experience of a single institution. Turk J Med Sci. 2014;44(5):866-70. doi: 10.3906/sag-1307- 30. PMID: 25539559. 

12. Yılmaz MB, Tönge M, Emmez H, Kaymaz F, Kaymaz M. Neuroprotective effects of quetiapine on neuronal apoptosis following experimental transient focal cerebral ischemia in rats. J Korean Neurosurg Soc. 2013 Jul;54(1):1-7. doi: 10.3340/jkns.2013.54.1.1. Epub 2013 Jul 31. PMID: 24044072; PMCID: PMC3772279. 

13. Yilmaz MB, Egemen E, Tonge M, Kaymaz M. Transoral protrusion of a peritoneal catheter due to gastric perforation 10 years after a ventriculoperitoneal shunting: case report and review of the literature. Turk Neurosurg. 2013;23(2):285-8. doi: 10.5137/1019-5149.JTN.4904-11.1. PMID: 23546921. 

14. Omerhodzic I, Tonge M, Matos B, Musabeliu E, Raspanti C, Ferdinandov D, Galimova R, Muroi C, Balik V, Kursumovic A. Neurosurgical training programme in selected European countries: from the young neurosurgeons' point of view. Turk Neurosurg. 2012;22(3):286-93. doi: 10.5137/1019- 5149.JTN.5133-11.0. PMID: 22664994. 

15. Ergun E, Kurt G, Tonge M, Aytar H, Tas M, Baykaner K, Ceviker N. Effects of phenytoin sodium on dura mater healing in a rat model of CSF leakage. Turk Neurosurg. 2011;21(4):471-6. PMID: 22194102. 

16. Emmez H, Tonge M, Tokgoz N, Durdag E, Gonul I, Cevıker N. Radiological and histopathological comparison of microporous polysaccharide hemospheres and oxidized regenerated cellulose in the rabbit brain: a study of efficacy and safety. Turk Neurosurg. 2010 Oct;20(4):485-91. doi: 10.5137/1019- 5149.JTN.3300-10.2. PMID: 20963698. 

17. Emmez H, Yildirim Z, Kale A, Tönge M, Durdağ E, Börcek AO, Uçankuş LN, Doğulu F, Kiliç N, Baykaner MK. Anti-apoptotic and neuroprotective effects of α-lipoic acid on spinal cord ischemiareperfusion injury in rabbits. Acta Neurochir (Wien). 2010 Sep;152(9):1591-600; discussion 1600-1. doi: 10.1007/s00701-010-0703-9. Epub 2010 Jun 10. PMID: 20535507. 

18. Kurt G, Tonge M, Börcek AO, Karahacioglu E, Gurel O, Baykaner K, Ceviker N, Aykol S. Fractionated gamma knife radiosurgery for optic nerve tumors: a technical report. Turk Neurosurg. 2010 Apr;20(2):241-6. doi: 10.5137/1019-5149.JTN.1681-09.3. PMID: 20401852. 

19. Emmez H, Kale A, Tönge M, Cakir A, Ceviker N. Two meningiomas with different histological grades in the same patient. Case report. Neurol Med Chir (Tokyo). 2010;50(8):686-8. doi: 10.2176/nmc.50.686. PMID: 20805656.

Prof. Dr. Onur YAMAN was born in Germany in 1976. In 2001, he graduated from Ege University Faculty of Medicine. In 2009, he received his specialization in Neurosurgery from Celal Bayar University. Between 2009-2011, he worked as a Neurosurgeon at Muş State Hospital and Rize Training and Research Hospital. Between 2011-2013, he worked at Tepecik Training and Research Hospital. Between 2013-2014, he worked at Ankara Spine Center. Between 2014-2018, he worked at Koç University Hospital Spine Center and received the title of associate professor in 2015. Between 2018-2024, he worked at Memorial Hospitals Group's Spine Center and was awarded the title of professor in 2021. Between 2023-2024, he worked as an instructor at Arel University Faculty of Medicine. Since 2024, he has been working at NPISTANBUL Brain Hospital and at the same time he is an instructor at Üsküdar University Faculty of Medicine.

Prof. Dr. Onur YAMAN is the president of the Middle East Spine Society since 2022. In addition, he is active in many professional associations.

He has made numerous oral presentations at international and national congresses and has edited books and book chapters published in many international and national publishing houses.

2002-2007 Istanbul University Istanbul Faculty of Medicine Department of Brain and Nerve Surgery

1988-1995 Trakya University Faculty of Medicine

2015- Atlas University Medicine Hospital

2014-2015 Private Pendik Yüzyıl Hospital Brain and Neurosurgery Clinic

2009-2014 Medicine Hospital Brain and Neurosurgery Clinic

2009-2009 Nisa Hospital Brain and Neurosurgery Clinic

2007-2009 Mardin State Hospital Brain and Neurosurgery Clinic

2002-2007 Istanbul University Istanbul Faculty of Medicine Brain and Neurosurgery

1997-2001 Enez Health Center and Enez State Hospital

Cervical, Thoracic and Lumbar Disc Surgery (endoscopic/microsurgery)

Far lateral (non-canal) lumbar disc surgery (lateral microsurgical approach)

Neurovascular surgery

Cerebrovascular diseases (vascular diseases of the brain)

Aneurysms

Arteriovenous malformations

Cavernomas

Neuro-oncological surgery

Brain tumors

Glial tumors

Meningiomas

Pituitary gland tumors

Metastatic brain tumors

Skull base tumors

Pontocerebellar angle tumors

Pineal tumors

Intraventricular tumors

Spinal disease surgery

Cervical, thoracic and lumbar spine fractures

Spine and spinal cord tumors

Scoliosis

Degenerative spine diseases

Peripheral nerve disease surgery

Peripheral nerve tumors

Entrapment neuropathies

Carpal tunnel syndrome

Ulnar groove syndrome

Tarsal tunnel syndrome

Functional neurosurgery and pain surgery

Trigeminal neuralgia

Microvascular decompression

Epilepsy surgery

Spasticity surgery

Epiduroscopic interventions

Hydrocephalus surgeries

Endoscopic 3rd ventriculostomy

VP shunt surgeries

LP shunt surgeries

Developmental anomalies

Meningomyelocele

Tethered cord syndrome

Arachnoid cyst

Craniosynostosis surgeries

Chiari malformation

Head trauma

Subdural hematomas

Intracerebral hematomas

Article published in internationally refereed journals

Cansever T, Civelek E, Sencer A, Karasu A, Kiris T, Hepgül K, Can H, Canbolat A: Spinal cavernous malformations: a report of 5 cases. Surg Neurol Jun 69 

Effects of combined and individual use of N-methyl-D aspartate receptor antagonist magnesium sulphate and caspase-9 inhibitor z-LEDH-fmk experimental spinal cord injury. A.Sencer, A.Aydoseli, Y.Aras, M.Osman Akçakaya, C.Gömleksiz, H.Can, A.Canbolat. Turkısh Joumal of Trauma&Emergency Surgery 2013

Aydoseli A, Can H, Aras Y, Sabanci PA, Akcakaya MO, Unal OF. Memantine and Q-VD-OPh Treatments in Experimental Spinal Cord Injury: Combined Inhibition of Necrosis and Apoptosis. Turk Neurosurg. 2016

Can H, Kircelli A, Kavadar G, Civelek E, Cansever T, Aydoseli A, Onal MB, Yilmaz C. Lumbosacral Conjoined Root Anomaly: Anatomical Considerations of Exiting Angles and Root Thickness. Turk Neurosurg. 2017

Kırcelli A, Özel Ö, Can H, Sarı R, Cansever T, Elmacı İ. Is the presence of linear fracture a predictor of delayed posterior fossa epidural hematoma? Ulus Travma Acil Cerrahi Derg. 2016 Jul

Kavadar G, Demircioğlu DT, Can H, Emre TY, Civelek E, Senyigit A. The clinical factors associated with benefit finding of complementary medicine use in patients with back pain: A cross-sectional study with cluster analysis. J Back Musculoskelet Rehabil. 2017

Ozer AF, Suzer T, Can H, Falsafi M, Aydin M, Sasani M, Oktenoglu T. Anatomic Assessment of Variations in Kambin’s Triangle: A Surgical and Cadaver Study. World Neurosurg. 2017 Apr

Can H, Aydoseli A, Gömleksiz C, Göker B, Altunrende ME, Dolgun M, Sencer A. Combined and individual use of pancaspase inhibitor Q-VD-OPh and NMDA receptor antagonist riluzole in experimental spinal cord injury. Ulus Travma Acil Cerrahi Derg. 2017

Gomleksiz C, Erbulut DU, Can H, Kodigudla MK, Kelkar AV, Kasapoglu E, Ozer AF, Goel VK. A new lumbar fixation device alternative to pedicle-based stabilization for lumbar spine: In vitro cadaver investigation. J Spinal Cord Med. 2018 Jul 16:1-8.

Aydoseli A, Özgen U, Akgül T, Orhan EK, Adıyaman AE, Can H, Karadağ C. Subacute Traumatic Ascending Myelopathy in a 28-year-old man: A rare case. World Neurosurg. 2019 Apr 28

Article published in national refereed journals

1) Intracranial Hemangioblastomas: Clinical Evaluation of 32 Patients T. Cansever, A. Karasu, K. Hepgül, H. Can, A. Sencer Turkish Neurosurgical Journal 2007, Volume:17 

2) Halil Can, Müge Dolgun, Utku Özgen, Cengiz Gömleksiz, Furkan Diren, Aydın Aydoseli, Yavuz Aras, Altay Sencer. Microsurgical Results in Vestibular Schwannoma Patients; Retrospective Clinical Study. JAREM 2019

3) Furkan Diren , Özcan Gayretli , Halil Can , İlke Ali Gürses , Orhan Barlas. Examination of Pons-Cerebellum Cisterna Anatomy with Endoscopic Retrosigmoid Suboccipital Approach: Cadaver Study. JAREM 2019

Education and Specialization:

• Medical Degree: Dokuz Eylül University Faculty of Medicine (1996)
• Specialization in Neurosurgery: Bakırköy Mazhar Osman Training and Research Hospital for Psychiatry, Neurology, and Neurosurgery (1997-2003)

Professional Experience:

• 2003-Present: Neurosurgery Specialist with extensive experience, including roles at the Bakırköy Dr. Sadi Konuk Training and Research Hospital and currently at VM Medical Park Florya Hospital, Istanbul.

Areas of Expertise:

• Spinal Surgery: Expertise in treating conditions like spinal stenosis, herniated discs, and complex spine deformities.
• Brain Tumor Surgery: Specializes in the surgical removal of brain tumors, including minimally invasive and endoscopic techniques.
• Pediatric Neurosurgery: Proficient in treating spinal and brain conditions in children, such as spina bifida and pediatric brain tumors.
• Gamma Knife Surgery: Uses advanced radiosurgical techniques for treating brain tumors and other neurological disorders.
• Scoliosis Treatment: Offers comprehensive treatment options for scoliosis, including surgical correction.
• Cerebrovascular Surgery: Skilled in surgeries for cerebrovascular diseases, including aneurysm repairs and AVM treatments.

Research and Publications: Dr. Güçlü has published numerous articles in prestigious journals, focusing on spinal surgery techniques, brain tumor management, and pediatric neurosurgery. His work has been recognized for its impact on improving surgical outcomes and patient care in neurosurgery.

Education and Specialization:

• Medical Degree: Istanbul University Cerrahpaşa Faculty of Medicine (1991-1998)
• Specialization in Neurosurgery: Karadeniz Technical University Faculty of Medicine (1999-2005)
• Associate Professorship: (2015)
• Professorship: (2020)

Professional Experience:

• 2007-2008: Ankara GATA
• 2009-2011: Özel Ordu Medical Park Hospital
• 2011-2013: Ankara Keçiören Training and Research Hospital
• 2013-2015: Giresun University Faculty of Medicine
• 2014: Clinical Observer at Helsinki University Central Hospital
• 2015-2023: Karadeniz Technical University Faculty of Medicine
• Current Position: Neurosurgeon at VM Medical Park Pendik Hospital

Areas of Expertise:

• Brain Aneurysm and Repair
• Brain Tumor/Cancer Surgery
• Spinal Canal Stenosis Surgery
• Lumbar and Cervical Disc Herniation
• Spinal Cord Surgery
• Minimally Invasive Neurosurgery
• Pediatric Neurosurgery
• Congenital Anomalies

Research and Publications: Prof. Dr. Arslan has numerous publications in prestigious journals, covering topics such as the treatment of brain and spinal tumors, innovative neurosurgical techniques, and outcomes of neurosurgical interventions. His work includes studies on brain ischemia/reperfusion injury, spinal cord ischemia, and various other neurosurgical conditions.

Professional Memberships:

• Turkish Neurosurgery Association
• Turkish Society of Neurological Surgery

Scientific degree, name, surname: Specialist. Dr. Teyub Hasanov

Medical Division: Neurosurgery

Education:

Dokuz Eylul University, Turkey - September 2002 - June 2009

Marmara University Faculty of Medicine – Department of Brain and Neurosurgery, Turkey June 2010 – June 2015

Work experience:

Fatih University Hospital Brain and Neurosurgery (Teacher) - 2015-2016

Bahcheshehir University Medical Park Goztepe and VM Medical Park Pendik Hospital Brain and Neurosurgery (Associate Professor's Assistant) - 2016-2021

Bona Dea Hospital - 2021-2023

Special Educational Programs in Neurosurgery:

Cranial Base Surgery Cadaver Course: September 20-21, 2013, Marmara University Institute of Neurological Sciences; ISTANBUL

Course Director: Associate Professor Ashkin Sheker

The VI Evidence-Based Multidisciplinary Neuro-Oncology Symposium - November 01-02, 2013, Point Barbaros Hotel, Istanbul, Turkey

Chairman of Neuro-Oncology Society: Prof. Dr. M. Ibrahim ZIYAL

Turkish Neurosurgery Society Endoscopic Skull Base Surgery Cadaver Course: November 15-16, 2013, Marmara University Institute of Neurological Sciences; ISTANBUL

World Federation of Neurosurgical Societies Cranial Base Surgery Cadaver Course: June 2011, Istanbul 

Turkish Neurosurgery Society the 26th Scientific Congress: April 20-24, 2012, Belek, Antalya 

Turkish Neurosurgery Society the 27th Scientific Congress: April 12-16, 2013, Belek, Antalya

Courses in Fundamentals of Neurosurgery:

Period 4, Course 1, March 10-20, 2016, Cheshme, Izmir

Period 4, Course 2, February 15-19, 2017, Cheshme, Izmir

Period 4, Course 3, March 14-18, 2018, Cheshme, Izmir

Period 4, Course 4, March 20-23, 2019, Belek, Antalya

Scientific Works:

A. Presentations and Articles at International Scientific Meetings

Ozoner B., Gungor A., ​​Hasanov T., Toktas Z.O., & Kilij T. (2020).

Neurosurgical practice during the coronavirus disease 2019 (COVID-19) pandemic. World Neurosurgery, 140, 198-207.

Mikayilli M., Hasanov T., Otluoglu G.D., Najitarhan D.E., Toktas Z.O., & Cholak A. (2020). Congenital lateral encephalocele - case report. Child Nervous System, 36 (12), 3119-3122.

Mikayilli M., Hasanov T., Otluoglu G.D, Najitarhan D.E., Erdogan, R.B.A, Demir N, ... & Cholak A. (2019). Spontaneous idiopathic cerebrospinal fluid rhinorrhea. Journal of Craniofacial Surgery.

Otluoglu G. D., Hasanov T., Mert B., Toktas Z.O., Konya D., & Demir M.K. (2019). Missed microcatheter breakage and cauda equina migration after endovascular neurointervention for dural arteriovenous fistula as a rare cause of tethered spinal cord: a case report. Journal of Neurosurgery: Spine, 32(4), 607-610.

Yilmaz B., SHENER S., TEYYUB H., AKAKIN A., YAPIJIER O., & Demir M.K. (2018). Visual qualitative assessment of apparent diffusion coefficient quantification and Ki-67 proliferation index of diffusion-weighted imaging to predict atypia in surgical meningiomas. Marmara Medical Journal, 31(2), 68-75.

DEMIR Mustafa Kemal, YAPIJIER Ozlem, HASANOV Teyyub, KILICH Deniz, KILICH Türker. Rapidly expanding calvarial Langerhans cell histiocytosis with low Ki-67 in adults: a difficult diagnosis on magnetic resonance imaging. Journal of Neuroradiology, 2018, 31.4: 390-394.

DEMIR Mustafa Kemal, YAPICIER Ozlem, HASANOV Teyyub, YILMAZ Baran, KILICH Turker. Hydatid disease: MR image of calvarium and superior sagittal sinus spread. Journal of Neuroradiology, 2018, 31.3: 320-323.

DEMIR Mustafa Kemal, YAPIJIER Ozlem, HASANOV Teyyub, GUNDUZ Mehmet Alp, KILICH Turker. Systemic large B-cell non-Hodgkin's lymphoma presenting as a massive hemorrhagic intracerebral mass. Diagnostic and invasive imaging, 2017, 98.10: 737.

UNAL E, ANTAR V, HASANOV T, GUZEL A, KILICH K. P16. 32 Primary brain lymphomas. Case report and literature review. Neurooncology, 2017, 19. Supplement 3: iii. 115.

Demirchi G, Hasanov T, Bayri Y, Konya D "Occipitocervical Fusion in Craniovertebral Junction Pathologies" Congress of Neurological Surgeons 2013 Annual Meeting, San Francisco, CA, 2013

B. Articles Published in International Peer-Reviewed Journals:

Hasanov T, Cholak A. Orbital tumors in childhood. Bagdatoglu C, editor. Overview of Pediatric Central Nervous System Tumors From Diagnosis to Treatment. 1st Edition. Ankara: Turkey Clinics; 2021. pp. 85-7.

Teyyub Hasanov; AKAKIN Akin; Kilij Turker. Management of Treatment in Arteriovenous Malformations. Turkish Clinics Neurosurgery – Special Topics, 2019, 9.1: 20-26.

Murat Shakir Ekshi, Teyyub HASANOV, Yashar BAYRI, Mustafa İbrahim ZIYAL, Ashkin Sheker, "Jasper Stone-Like Skull: Massive Cranial Metastasis with Leptomeningeal Flow - A Rare Case Report", Journal of Neurological Sciences (in Turkish), 2013, Volume 30, Issue 4, p. 776-779.

Ozgur Chelik, Teyyub HASANOV, Suheyla Uyar BOZKURT, Yashar BAYRI, Mustafa Ibrahim ZİYAL, "Granulocytic Sarcoma of the Cavernous Sinus Presenting with Trigeminal Neuralgia", Turkish Journal of Neurosurgery 2013, Volume: 23, Number: 3, p. 327-330.

Murat Shakir Ekshi, Teyyub Hasanov, Baran Yilmaz, Akin Akakin, Yashar Bayri, Suheyla Uyar Bozkurt, Turker Kilij, "Isolated breast cancer metastasis to the pituitary gland" Indian Journal of Neurology 2014, Volume 62, pp70-71.

Murat Shakir Ekshi, Teyyub Hasanov, Suheyla Uyar Bozkurt, Yashar Bayri, M. Ibrahim Ziyal, "Two Different Primary Tumors in the Same Brain - Case Report and Literature Review", Journal of Neurological Sciences, 2014, Volume 31, Issue 3, p. 635-640. 6 p.

Bahattin TANRIKULU, Teyyub HASANOV, Suheyla UYAR BOZKURT, Ashkin Sheker, "Schwannoma Similar to Sacral Pure Spinal Epidural Cavernoma: A Case Report", Journal of Neurological Sciences, 2015, Volume 32, Issue 2, pp. 412-417

Articles presented at international scientific meetings and published in collections of scientific works:

Ekshi M.S, Demirji G, Hasanov T, Chelik O, Bayri Y "Familial Chiari Malformation", Turkish Neurosurgery Society 26th Annual Scientific Congress, April 20-24, 2012, Belek, Antalya

Atik A.F, Hasanov T, Chelik O, Bayri Y, Konya D, "Posttraumatic Epidural Hematoma and Retroorbital Abscesses: Case Report", Turkish Neurosurgery Society 26th Annual Scientific Congress, April 20-24, 2012, Belek, Antalya

Doğrul R, Ekshi M.S, Hasanov T, Bayri Y, Konya D, "Migration of Instrumental Material into the Abdomen in a Surgically Treated Spondylolisthesis Patient", Turkish Neurosurgery Society 27th Annual Scientific Congress, April 12-16, 2013, Belek, Antalya

Hasanov T, Ekshi M.S, Chelik O, Bayri Y, Bozkurt S.U, Ziyal I, "Isolated Cavernous Sinus Myeloid Sarcoma Presenting with Trigeminal Neuralgia", Turkish Neurosurgery Society 27th Annual Scientific Congress, April 12-16, 2013, Belek, Antalya

Yilmaz B. Toktas Z. Konya D. Hasanov T. Intracranial Complications of Lumbar Spinal Surgery.

D. Book Section

Akin A, Hasanov T. Fundamentals of Surgical Treatment in Parkinson's Disease. Bijeroglu H, Tonge M, Sechkin M, Adiguzel E, Gurvit H, Hanji M, editors. Movement Disorders Surgery: 2019.

Hasanov T, Toktas Z. Spinal Injuries. Furunjuoglu Y. Emergency Medical Manual. Gunesh Medical Bookstores: 2020