Prof. Ralf Buhl is world famous neurosurgeon with over 20 years of experience. Doctor Buhl heads the Neurosurgery Department at Solingen Klinikum. His reputation reaches China and the US where he provides neurosurgical lectures.
Dr. Buhl specializes in non-invasive methods treatment of disc herniation, brain and spinal cord tumors. The doctor provides treatment of peripheral nervous system disorders and performs computer-assisted navigation microsurgeries.
Dr. Ralf Buhl has provided over 4,000 successful neurosurgeries. Among his patients are famous politicians, businessmen, musicians, actors. In 2015, a Hollywood star George Clooney had severe back pain and was treated by Professor Buhl.
Dr. Buhl conducts scientific work and researches in intracranial cavernomas treatment, surgical treatment for brain metastases and other neurosurgery areas.
Рrofessor Buhl has cofound the Fund devoted to the study of brain tumors.
Read moreDoctor's visit | price on request |
Tongue cancer surgery | $27266.23 |
Removal of meningioma | $21812.99 |
CyberKnife for brain tumor |
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
• Gamma Knife Radiosurgery
• Surgery for pain & spasticity
• Psychosurgery
Research areas of interest:
• Deep brain stimulation
• 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.
Read moreDoctor's visit | price on request |
Magnetic Resonance-guided Focused Ultrasound Surgery (MRgFUS) | $20000 |
High intensity focused ultrasound ablation (HIFU) | $20000 |
Removal of spinal cord tumor | $1500 - $2000 |
Education and Expertise
1998 - 2005 - Marmara University Faculty of Medicine
1998 - 2005 - Marmara University, Faculty of Medicine, Department of Neurosurgery, Istanbul
(Head of the Department: Prof Dr Türker KILIÇ)
2011 - 2012 - Yale School of Medicine, New Haven, CT, USA (Director: Murat Günel MD. PhD., Professor of Neurosurgery)Cerebrovascular Research Fellowship
Professional Memberships
2014 + Turkish Neurosurgery Association
2017 + Turkish Spine Association
2018 + AOSpine
Awards
Turkish Neurosurgery Society 31st Scientific Congress “Prof. Dr. Hamit Ziya Gökalp Young Neurosurgeon Encouragement First Prize”, Antalya, 2017.
Courses and Certificates
1. Member of the Organizing Committee; 12. National Neuroscience Congress, Bahçeşehir University, 28-31 May 2014
2. Member of the Organizing Committee; 11. ASNO 'Skull-base Anatomy Course', 11-14 September 2014, Istanbul
3. Instructor / Member of the Organizing Committee; Neurosurgery Course Series – 4 /Prof. Dr. Evandro de Oliveira Skull Base Course 2, Prof. Rhoton Anatomy Lab BAU Faculty of Medicine, Istanbul, 2015.
4. Member of the Organizing Committee; International Deep Brain Stimulation Surgery Microelectrode Recording Cadaver Course, Rhoton Anatomy Lab BAU Faculty of Medicine, 6-7 February 2015 Istanbul.
5. Organization Officer; TND Istanbul Meetings, Istanbul
Read moreDoctor's visit | price on request |
Pituitary tumor surgery | $15500 |
Laminectomy | |
Discectomy |
Dr. Paul Kramer is a specialist in brain cancer treatment, spinal surgery, and angiomas. He is the Head of the Neurosurgery Department at Asklepios Nord Clinic and is a world-renowned expert in intraoperative MRI. He has a degree in general medicine from the University of Innsbruck and The University of Kiel, and a specialty in neurosurgery from Heidelberg University Hospital. Dr. Kramer is also actively involved in developing new microsurgical techniques and studying chemiluminescence for laser-induced fluorescence diagnostics and chemotherapy of malignant tumors.
Read moreDr. Serdar Kahraman is a highly experienced neurosurgeon with 30 years of practice and is head of the Neurosurgery Department at Anadolu Medical Center. He specializes in brain and nerve surgery, spinal surgery, neuroendoscopy and spinal endoscopic surgery. He has an impressive list of certificates and is a member of several prestigious organizations.
Read moreDoctor's visit | price on request |
Discectomy | $9000 |
High intensity focused ultrasound ablation (HIFU) | $9900 - $12000 |
CyberKnife for brain tumor | $4750 - $6450 |
Dr. X has 10 years of experience in Neurosurgery at Hacettepe University Faculty of Medicine, Diskapi Yildirim Beyazit Training and Research Hospital Neurology Clinic, Yozgat City Hospital, Private Lokman Hekim Akay Hospital, and Emsey Hospital.
Read moreDoctor's visit | price on request |
Surgical removal of the brain cyst | $8000 - $15000 |
Vertebral Artery Angioplasty and Stenting | $1125 |
Hydrocephalus surgeries, shunt surgeries | $4000 |
Doctor's visit | price on request |
Brain Aneurysm Repair | $19700 - $35500 |
Herniated disc surgery | $13750 - $21900 |
Doctor's visit | price on request |
Pituitary tumor surgery | $15500 |
Laminectomy | |
Discectomy |
Dr. Tamer Tekin is a distinguished Neurosurgeon who received his medical degree from Gülhane Military Medicine Faculty in 1999. His clinical expertise encompasses a wide range of spinal conditions and treatments, with particular focus on spinal trauma, degenerative spinal diseases, and advanced surgical techniques. Dr. Tekin specializes in minimally invasive spine surgery, laser discectomy, and various therapeutic interventions including spinal injections and kyphoplasty.
As a spine specialist, Dr. Tekin has developed significant expertise in complex procedures such as disc replacement and spine reconstruction. His practice extends to the treatment of spine tumors and infections, demonstrating his comprehensive approach to spinal care.
Read moreProf. Jürgen Kiwit is a German neurosurgeon with over 25 years of experience. He is the Head of the Neurosurgery Department at Meoclinic Berlin and specializes in the treatment of spinal cord and brain tumors pathologies, blood circulation disorders, and paraplegia. He has trained in the UK and USA and is a member of various professional societies. His expertise includes glioma therapy, complicated brain aneurysms surgeries, anti-pain therapy, brain injuries differentiated therapy, and nervous system dysfunctions.
Read moreDr. Shalom Michowitz is a famous Israeli children's neurosurgeon, doctor of the highest qualification category, head of pediatric neurosurgical department at Schneider Children’s Medical Center at Rabin Medical Center in Petah Tikva.
Dr. Uwe Kehler is a German neurosurgeon specializing in vascular and spinal neurosurgery, with expertise in brain tumors, nerve dysfunctions, hydrocephalus, and trigeminal neuralgia. He holds a degree in general medicine from the University of Lübeck and is certified in neurosurgery and vascular neurosurgery. Dr. Kehler has performed over 2,000 neurological operations and 350 cerebral tumor operations with success rates up to 90%. He is a member of several professional organizations and has written over 85 research papers.
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Work Address: Biruni University Hospital, Department Of Neurological Surgery, Istanbul
Education And Training
Undergraduate: 1997 - 2001 Halkali High School, Istanbul, Turkey
Graduate: 2001 - 2007 Mersin University, School of Medicine, Mersin, Turkey
Postgraduate: 2009 – 2014 Bakırköy Research And Training Hospital For Psychiatric And Neurological Disease, Department Of Neurological Surgery, Istanbul, Turkey
Observer: June-December 2017 University of Wisconsin- Department of Neurological Surgery, Madison, USA
June-August 2020 Acıbadem University- Spine Center, İstanbul, Turkey
Professional Interest: Cranial Surgery, Functional neurosurgery (used to treat movement disorders), Spine Surgery
Licensure And Certification
2007 June: Doctor of Medicine, Turkish Ministry of Health
2014 July: Neurosurgeon, Turkish Ministry of Health
Employment
2014– 2021 Neurosurgeon - Istanbul Kanuni Sultan Suleyman Research And Training Hospital
2021- Neurosurgeon- Biruni University Hospital, Department of Neurological Surgery
Training Courses / Workshops / Meetings / Symposiums
(In Chronological Order)
Has Participated in 18 National and International Courses, Scientific Meetings (Certified) in Neurosurgery And Spinal Surgery.
Published Article
Published Abstracts And Presentations In International Scientific Meetings
(In Chronological Order)
Published Abstracts And Presentations In National Scientific Meetings
(In Chronological Order)
Computer Skills
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Doctor's visit | price on request |
Surgery for syringomyelia | $10500 - $18000 |
Herniated disc surgery | $6500 - $8500 |
Gamma Knife for brain tumor | $5000 - $5500 |
Chief physician at Helios Krefeld. Neurosurgeon, radiosurgery and neuronavigation specialist
Read moreDr. Peter Ulrich is the Head of the Neurosurgery Department in Nordwest Clinic, Germany. He specializes in brain, spine, head and vessels microsurgery, and has been practicing since 1985. He offers consultations, MRI, CT and PET-CT tests, and is a member of various medical organizations.
Read moreDoctor's visit | price on request |
Radiation therapy for brain tumor | $8725.19 - $18541.04 |
Tongue cancer surgery | |
CyberKnife for brain tumor |