Best Brain tumor removal pediatric neurosurgeons: TOP 164 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. 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.

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.

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.

Specialty

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.

Scientific activity

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.

Dr. 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.

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 
 

Mustafa Solak, M.D. is a medical doctor who graduated from Hacettepe University School of Medicine and has completed residencies at Istanbul Sisli Etfal Teaching and Research Hospital and a fellowship at Hacettepe University Cancer Institute. He specializes in Breast Cancer, Testicular Cancer, Ovarian Cancer, Lung Cancer, Head-Neck Cancer, and Gastrointestinal Cancers. He has also worked at the University of Texas MD Anderson Cancer Center, Hitit University Corum Training Hospital, and Medical Park Hospital.

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.

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, 2015-2016

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.

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.

El Dr. Xicoténcatl Pérez Sánchez es Médico especialista en Neurocirugía del Hospital DioMed. Se formó como Médico Cirujano y Partero en la Universidad de Colima, México. Realizó la especialidad en Neurocirugía en la Hadassah University Hospital en Jerusalén Israel. Cursó Alta Especialidad en Cirugía de Base de Cráneo.