Best Transnasal resection of tumor pediatric oncologists: TOP 62 doctors

Dr. Margalit Navo is a highly experienced neurosurgeon who heads the Neurosurgery Department at Ichilov (Sourasky) Medical Center. He specializes in the minimally invasive endoscopic removal of skull tumors in both adults and children and has performed over 170 successful surgeries for meningioma and skull base tumors. He is a member of the Israel Neurosurgical Society, North American Skull Base Society, and Israel Medicine Association.

Education and Expertise

GATA Military Medical Faculty

GATA Haydarpaşa Training Hospital Neurosurgery Clinic (Specialization)

Beykent University Hospital and Health Institutions Management (Master's)

Experience

GATA Military Medical Faculty Trainee Doctor (6 months)

Samsun Sahara Medical School Comm. (3 months)

Naval Command War Squadron TCG Diligence Medical Officer (2 years)

Dz.K.K. Submarine Battery Factory Infirmary Doctor (3 months)

Naval Forces Command Infirmary Doctor (3 months)

GATA Haydarpaşa Training Hospital Chief Assistant (12 years)

Kasımpaşa Marine Hospital Neurosurgery Clinic Chief (5 years)

Bahçelievler Medical Park Hospital Neurosurgery Specialist (11 years)

Altınbaş University Faculty of Medicine Neurosurgery Lecturer. Member (4 years)

Altınbaş University Faculty of Medicine Head of Neurosurgery Department. (3 years)

Basic and Advanced Cardiac life support courses (BASIC)

Basic and Advanced Cardiac life support courses (ADVANCED)

GATA Military Medical Faculty. Microsurgery Training Course

Istanbul Vatan Hospital Hand surgery microsurgery course

Neuroanatomy course

Spine Surgery course

Professional Memberships

Turkish Neurosurgery Association

Spine Society of Europe

Turkish Spinal and Peripheral Nerve Surgery Group

Dr. Rachel Grossman is a neurosurgeon with over 20 years of experience. She specializes in brain tumor surgery and advanced glial mass removal. Dr. Grossman has performed hundreds of complex operations. Her expertise includes awake craniotomies with intraoperative mapping and endoscopic procedures for pituitary and skull base tumors.

She has published more than 40 scientific articles and has received international research awards. Dr. Grossman is a member of leading neurosurgical societies such as EANS, WFNS, and the American Congress of Neurological Surgeons. Her work has made important contributions to neuro-oncology.

Professor Shlomi Constantini is a highly-trained neurosurgeon in Israel with expertise in general and pediatric neurosurgery, microsurgical operations, reconstructive interventions, and brain and spine tumor treatments. He has received several awards and is a member of multiple professional organizations.

Dr Önul is FROM THE BEST DOCTORS in the field of Endoscopic skull base surgery and pituitary surgery Brain tumor surgery (Neuro Oncological surgery)


I was born in Artvin in 1977. He became a doctor from KTU Faculty of Medicine in 2001, and Bakırköy Prof. Dr. I became a Neurosurgery Specialist by getting the title of specialist from Mazhar Osman Mental Health and Neurological Diseases Training and Research Hospital. Again, in the same hospital, I was entitled to the title of associate professor in 2016. I continue to work at Başakşehir Çam and Sakura City Hospital, where I voluntarily joined with the task of establishing the Neurosurgery Clinic with my teammates. I am married and have 2 children. I love painting. I am very interested in children's literature. I have 10 printed children's tales

Dr. Hilmi Apak is a respected pediatric hematology-oncology specialist with more than 21 years of experience. He is trained in pediatric oncology. Dr. Apak has led advanced treatments, including bone marrow transplantation, leukemia chemotherapy, and CAR T-cell therapy.

He has published 75 international medical articles, showing his strong contribution to pediatric oncology research. Dr. Apak has worked as assistant editor for the Turkish Pediatrics Archives Periodical. He has also held important academic and leadership positions, such as Head of Pediatric Hematology-Oncology at Istanbul University-Cerrahpaşa.

EDUCATION:

• Turhan and Mediha Tansel Primary School (1979–1984)
• Kültür College (1984–1988)
• Semiha Şakir High School (1988–1991)
• Marmara University Faculty of Medicine (1991–1997)
• Marmara University Faculty of Medicine, Neurosurgery Department, Specialist Training (1997–2002)
• Title of Associate Professor in Neurosurgery (May 31, 2021)

ADDITIONAL TRAINING:

• "Visiting Physician," University of Southern California, Department of Neurosurgery (1998)
• "Microsurgery Training," GATA (Gülhane Military Medical Academy), Ankara Education and Research Hospital (2003)

PROFESSIONAL EXPERIENCE:

• Gülhane Military Medical Academy Haydarpaşa Training and Research Hospital (2002–2003)
• Dr. Lütfi Kırdar Kartal Training and Research Hospital (2003–2005)
• Private Avicenna Ataşehir Hospital (2005–2012)
• Private 29 Mayıs Hospital (2012–2013)
• Maltepe State Hospital (2013–2018)
• Kartal Dr. Lütfi Kırdar City Hospital (2018–2020)
• Private Academic Hospital (2020–2022)
• Hisar Intercontinental Hospital (2022–2024)
• Private Medipol Acıbadem Regional Hospital (2024–Present)

ADMINISTRATIVE AND ACADEMIC ROLES:

• Board Member, Neurosurgical Society (2006–2009)
• Head of the Emergency Department, Maltepe State Hospital (2014–2016)
• Deputy Chief Physician, Private Academic Hospital (2020–2021)
• Advisory Board Member, Beykent University Faculty of Medicine (2018–2024)
• Faculty Member, Galata University Faculty of Health Sciences (2022–2024)
• Director, Continuous Education Center, Galata University (2022–2024)

Education and Specialization

• 2006: Kocaeli University Faculty of Medicine
• 2014: Akdeniz University Faculty of Medicine, Internal Medicine
• 2018: Akdeniz University Faculty of Medicine, Medical Oncology

Experience

• 2006 - 2008: Konya Derebucak District Hospital
• 2009 - 2015: Akdeniz University Hospital
• 2015: Antalya Kaş State Hospital
• 2015 - 2016: İnönü University Faculty of Medicine
• 2016 - 2021: Akdeniz University Hospital
• 2021 - 2023: Antalya Training and Research Hospital

Professor Kyzas completed his PhD thesis in H&N Cancer with Honours (Αριστα), producing several highly cited influential publications. He has published > 70 scientific papers in high impact journals and has > 6000 citations.

Following his studies, Professor Kyzas has undertaken postgraduate training in the UK and was successful in securing a very competitive training post in the UK Higher Specialty Training Programme for Oral and Maxillofacial Surgery. He was trained in some of the biggest University Teaching hospitals in the North West of the UK. He has been awarded the Certificate of Completion of Training (CCT) in Oral and Maxillofacial Surgery by the General Medical Council (GMC). Subsequently, he was successful in securing one of the very few and prestigious UK-wide Training Interface (TIG) Fellowships in Head and Neck Surgical Oncology. He has successfully completed his fellowship and was awarded the subspecialty of Head and Neck Surgery by the Joint Committee of Surgical training (JCST).

In 2014 he has been appointed as a permanent substantive Consultant in Oral and Maxillofacial/Head and Neck Surgery in Manchester. He has treated hundreds of patients with Head and Neck cancer, offering state of the art major ablative and reconstructive surgery. He specialises in microvascular free tissue transfer and he has introduced and developed the 3D printer – personalised planning (PSP) reconstructive surgery in his hospital. He led his unit to become a reference centre by having the highest number of successful 3D PSP cases in the UK. Besides head and neck cancer, Professor Kyzas offers treatment to patients with facial skin cancer, oral and maxillofacial trauma, dentoalveolar surgery, orthognathic surgery, salivary gland diseases, facial cosmetic surgery, surgery of the temporomandibular joint, and anything else within the broad spectrum of Oral and Maxillofacial Surgery. He has performed many thousands of surgical procedures and has vast experience in any oral and maxillofacial condition. He has a special interest in the use of laser for oral pathologies and he is the Principal Investigator for an international trial examining the effectiveness of Transoral Laser resection in Ηead and Νeck Cancer. He is a certified microvascular surgeon and has accreditation in advanced trauma life support (ATLS).

Just before the covid pandemic, Professor Kyzas was presented with a unique opportunity to lead on the development of a Head and Neck Cancer Service in Lancashire. Professor Kyzas and his team managed to establish the service within months, and throughout the challenging covid period. The ELHT H&N Unit now produces oncological outcomes that compare favourably with any major H&N unit worldwide. Professor Kyzas has been appointed as the Clinical Director for all cancer services in ELHT, covering population of > 1M people.

In 2021, Professor Kyzas has been awarded the highly prestigious Bronze National Clinical Excellence Award for his overall services in the NHS. He was the youngest consultant to achieve this award and the only Cypriot OMFS surgeon ever to be considered for one.

Professor Kyzas has a long history of involvement in medical research. In 2007 he has completed his PhD thesis which has resulted in several highly cited publications in some of the most prestigious medical journals. He has participated in international collaborations for the improvement of medical research (http://progress-partnership.org/publications) and some of his papers have had a significant impact in improving research methodology. He has given several invited international lectures, and he has presented in national and international conferences. He has been a panel member for the selection committees for trainees in every level in oral and Maxillofacial Surgery in the UK. He is a regular peer-reviewer for many medical journals. He is the Lead trainer for the TIG H&N fellowship for his hospital and the Research Lead for his Deanery. He participates actively in Clinical Research, and he is the Principal Investigator for many clinical trials. He is a faculty member for the «Head and Neck resection tactics and free flap» course run by the Royal College of Surgeons of Edinburgh. He offers themed training in Head and Neck Oncological Surgery to medical students. In 2018 he was awarded the «Surgical Educator Excellence Award» by Health Education North West (HEENW). In the same year, he was nominated as doctor of the year in Northern Care Alliance.

Professor Kyzas is the Chief Investigator of the MANTRA trial, a UK multicentre RCT with multimillion pounds NIHR funding, launched in July 2023. This is the biggest randomised controlled trial ever to be performed in the specialty of OMFS.

As a result of his outstanding clinical and research/academic achievements, Professor Kyzas has been appointed as a visiting Professor in OMFS H&N Surgery at Edge Hill University

In 2018 Professor Kyzas was elected as the Deputy Editor for the British Journal of Oral and Maxillofacial Surgery (BJOMS). In January 2024, Professor Kyzas started his role as Editor in Chief for the BJOMS. This is the first time that a Greek Cypriot has ever been chosen for this highly prestigious role. Professor Kyzas sits in the council of the British Association of Oral and Maxillofacial Surgeons (BAOMS).

Professor Kyzas is a fully accredited medical expert witness and has provided hundreds of medical expert negligence reports (πραγματογνώμονας). In June 2024, Professor Kyzas has completed his Degree in Law with Honours (Άριστα), becoming a member of a very prestigious club of medical professionals with an active interest and certified knowledge in medicolegal practice.

Professor Kyzas is a fully accredited Oral and Maxillofacial Surgeon on the specialist register of the General Medical Council (GMC) UK, the Cyprus Medical Association (Cyprus), and the Cyprus Dental Association (Cyprus). In addition, he is also fully recognised and registered as Oral Surgeon by the General Dental Council (GDC) UK. He is a fellow of the Royal College of Surgeons (FRCSEd), member of the Faculty of Surgical Trainers (MFSTEd), fellow of the British Association of Oral and Maxillofacial Surgeons (BAOMS), member of the Hellenic Society of Head and Neck Oncology (HeSHNO) and member of the European Association of Craniomaxillofacial Surgery (ECAMFS).

Education

• (2004 – 2011), Faculty of Medicine/ Inonu University/ Malatya, Turkiye
• (2011 – 2015), Department of Radiology/ Bagcilar Training and Research Hospital/ Istanbul, Turkiye

Career

• (2016 – 2020), Diagnostic and Interventional Radiologist/ Mus State Hospital/ Mus,Turkiye
• (2020 – 2022), Assistant Professor of Diagnostic and Interventional Radiology/ Sakarya University Training and Research Hospital/ Sakarya, Turkiye
• (2023 – 2024), Associate Professor of Diagnostic and Interventional Radiology /Sakarya University Training and Research Hospital/ Sakarya, Turkiye
• (2024 - Present), Associate Professor of Diagnostic and Interventional Radiology /Medipol University Hospital/ Istanbul, Turkiye

Experience

2019 – 2019

• University of Insubria, Varese, Italy, 

Insubria University Faculty of Medicine

2015

• MERSİN UNIVERSITY/FACULTY OF MEDICINE, DOCTOR, LECTURER

2013 – 2015

• ANKARA PRIVATE ACIBADEM HOSPITAL

2010 – 2012

• DIYARBAKIR TRAINING AND RESEARCH HOSPITAL,

2002 – 2003

• AYDIN 1ST PRIVATE TRAINING BATTALION
•  

Education

2010

• ANKARA UNIVERSITY FACULTY OF MEDICINE, BRAIN AND SURGERY SPECIALIST

1992

• GAZI UNIVERSITY, FACULTY OF MEDICINE

Dr. Alexandru Cristescu is a neurosurgeon with strong expertise in brain and spine surgery. He completed his neurosurgery residency at leading hospitals in France. There, he received advanced training in his field. Dr. Cristescu specializes in brain tumor removal, spinal surgery, and minimally invasive neurosurgical procedures.

He is known for his precision and commitment to patient-centered care. Dr. Cristescu aims for the best possible surgical outcomes. He uses advanced surgical techniques and focuses on complex neurosurgical cases.

Trustworthy, attentive, successful neurosurgeon with over 34 years of experience, high rate of success and exceptional surgical skills, providing quality neurological service for patients, successfully treating over thousands of patients suffering from many severe, complex conditions of the brain, spine and the nerves. 

Experienced in performing treatment modalities like micro neurosurgery, endoscopic skull base surgery, endoscopic third ventriculostomy, minimally invasive spine surgery and percutaneous spine surgery. Keen on performing clinical research and attending national and international medical conferences to stay abreast of new technologies in the field. Compassionate and detail-oriented with excellent communication skills. Expertise in healthcare, education and program management. Adept at developing and implementing forward-thinking strategies to enhance patient outcomes and collective knowledge in the field. Desiring to bring skills and success. Focused on working closely with other medical professionals and following up with patients. Well-versed at emergency procedures and fast and accurate sanitation.

Work History

2020-01 – Current - Asst. Prof. Neurosurgeon

Istanbul Medipol University, Health Care Practice and Research Center Pendik Hospital

• He successfully treated and followed patients with cerebral hemorrhage, brain and spinal cord tumors, and patients with hydrocephalus.

• He performed transnasal pituitary surgeries with success.

• Also, many cervical lumbar and thoracic disc patients were successfully treated, and disc prosthesis were applied to some of them.

• He re-operated a degenerative spine patient who had been operated on before at another center and the patient regained his health.

• He also successfully treated patients with premature neonatal intracerebral hemorrhage.

2019-08 – 2020-01 - Neurosurgeon

Freelancer, Istanbul, Turkey

• Operated on patients' brains, spines and peripheral nerves to correct deformities, repair injuries, prevent and treat diseases and improve patients' motor functions. Performed successful operations for complex, advanced and complicated disease of the brain and spine some of which were operated unsuccessfully at other medical centers by different neurosurgeons.

• Offered advanced knowledge, leadership abilities and technical assistance with complex surgical cases.

• Maintained admitting privileges at local hospitals and provided quality follow-up care.

• Educated patients on recovery methods and times.

• Designed treatment plans for patients.

• Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Founded a spinal surgery group with orthopedic surgeons and treated very advanced and severe vertebra deformities, spine abnormalities, scoliosis.

2018-12 - 2019-08 - Neurosurgeon

Alkafeel Super Speciality Hospital, Karbala, Iraq

• Conducted up to 5 operations per month to correct deformities in neurological and spinal systems, repair traumas, and treat diseases of different areas. Performed successful operations (success rate 100 percent : 90-95) for severe, complex and advanced diseases of the brain, spine and nerves in adults and children. (Cerebral intrinsic and extrinsic tumor surgery, posterior fossa surgery, spontaneous and traumatic intracranial hematomas, Interhemispheric 3th ventricle and lateral ventricle surgery, pontocerebellar angle tumor surgery, spinal instrumentation and fusion surgery, microdiscectomy cervical, thoracic, lumbar, pediatric cranial and spine anomaly surgery). Followed the patients postoperatively.

• Educated patients on recovery methods and times.

• Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Performed emergency surgeries.

• Examined 900 patients in total in the outpatient clinic and gave medical treatments to them when necessary.

2015-10 - 2018-11 - Neurosurgeon

Medistate Kavacık Hospital, Istanbul, Turkey

• Operated on patients' brains, spines and peripheral nerves to correct deformities, repair injuries, prevent and treat different advanced, complex severe diseases and improve patients' motor functions.

• Conducted up to operations per month to correct deformities in neurological and spinal systems, repair traumas, restore partial or full functionality and prevent and treat diseases of different areas. 

• Performed successful operations (success rate percent : 95) for severe, complex and advanced diseases of the brain , spine and nerves in adults and children.(Brain tumor, arachnoid cyst, intracerebral hematoma, spinal stenosis, hydrocephalus, myelomeningocele).Followed the patients postoperatively. 

• Educated patients on recovery methods and times Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Performed emergency surgeries (intracerebral hematoma, intracerebral abscess).

• Examined 850 patients in total in the outpatient clinic and gave medical treatment to them when necessary.

1994-03 - 2015-09 - Neurosurgeon

Ankara Training and Research Hospital, Ankara, Turkey

• Supervised trainees, medical students, residents and fellows to help each achieve proficiency in field.

• Conducted up to 20 operations per month to correct deformities in neurological and spinal systems, repair traumas, restore partial or full functionality and prevent and treat diseases of different areas. Performed successful operations (success rate: %90) for severe, complex and advanced diseases of the brain, spine and nerves in adults and children. (Skull base surgery, extended trans base approach, orbit zygomatic approach, presigmoid approach, orbital approaches, transcranial and lateral orbitotomy, Endoscopic transsphenoidal pituitary surgery, CSF leakage surgery, endoscopic, microscopic and transsphenoidal, transcranial. Endoscopic third ventriculostomy and surgery of multiloculated hydrocephalus and pediatric neurosurgery. Cerebral intrinsic and extrinsic tumor surgery, posterior fossa surgery. Brain aneurysm, AVM and cavernoma surgery.

• Spontaneous and traumatic intracranial hematomas. Hemifacial spasm and trigeminal neuralgia surgery (microsurgical decompression) Interhemispheric 3th ventricle and lateral ventricle surgery. Pineal area surgery. Pontocerebellar angle tumor surgery.

• Foreman magnum tumors surgery. Surgery of hydrocephaly, Syringomyelia and craniovertebral animalia).Followed the patients postoperatively.

• Educated patients on recovery methods and times Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Performed emergency surgeries (Epidural, subdural and intracerebral hematoma, vertebra fracture).

• Examined 500-700 patients per day in the outpatient clinic and gave medical treatment to them when necessary. Examined patients in the emergency service.

• Designed treatment plans for patients.

• Offered advanced knowledge, leadership abilities and technical assistance with complex surgical cases.

• Led and oversaw 15 medical personnel in operating room setting to perform surgeries.

• Led and oversaw medical personnel in operating room setting to perform surgeries.

Education

1982-09 - 1988-08

M.D.: Medicine And (Pre-Medicine)

Ankara University Medical School - Ankara

General Medicine Training for 6 years. Graduated with a high GPA.

1988-11 - 1994-05

Specialist Neurosurgery: Neuroscience

University of Health Sciences - Ankara

6 years of neurosurgery training.

• My thesis was on brain abscess and their clinical and laboratory evaluations

1995-05 - 1995-07

Neuroscience

The Institute of Neurological Sciences and Psychiatry.

Ankara

I attended the course for microsurgery at University of Hacettepe Institute of Neurological Sciences and Psychiatry.

1998-04 - 2019-05

Observer Doctor: Neuroscience

Department of Neurosurgery, MSU - Ann Arbour, 

Michigan USA

2012-05 - 2012-05

Neuro endoscopy: Neuroscience

Ghent University - Ghent, Belgium

International endoscopic neurosurgery workshop, 

Ghent, Belgium

I attended the workshop for endoscopic skull base operations the and Neuro endoscopic third ventriculostomy at University of Ghent Hospital

Skills

Micro neurosurgery - Excellent

Neuro endoscopy - Excellent

Cranial base endoscopy - Excellent

Minimal invasive surgery - Excellent

Percutaneous spinal surgery - Excellent

Neuronavigation – Excellent

Certifications

1995-04 Microsurgery

2012-05 Endoscopy

Languages

Turkish - Native

English - Advanced

Arabic - Novice

Affiliations

Turkish Neurosurgical Society

Turkish Medical Association

Accomplishments

• Trained team of staff nurses in medical office procedures to ensure consistent quality of care.

• Published 17 articles in national and international reviews and presented papers in medical congresses.

Interests and operations I perform

Vascular diseases of brain

Endoscopic hypophysis surgery

Tumors of brain, spine and medulla spinalis surgery

Endoscopic brain ventricle surgery

Endoscopic third ventriculostomy 

Traumas of brain and spine

Cervical, thoracic and lumbar disc hernias and narrow 

canal disease surgery

Spine instrumentation and fusion surgery

Baclofen pump and neurostimulators insertions

Hydrocephalus surgery

Congenital diseases of the brain and spine (pediatric 

neurosurgery)

Peripheral nerve surgery

Dr. Mehmet Tonge is a neurosurgeon with expertise in Stereotactic and Functional Neurosurgery. He specializes in MR Guided Focused Ultrasound, deep brain stimulation, Gamma Knife Radiosurgery, and surgery for movement disorders, pain, and spasticity.

Dr. Tonge has published 32 articles in international and national journals and written 12 book chapters. He has presented 92 oral and poster presentations and delivered 41 invited lectures. He completed a Deep Brain Stimulation Fellowship at Maastricht University and finished the 4-year EANS training cycle. Dr. Tonge is known for his research and clinical work in functional neurosurgery.

Education

Undergraduate Karadeniz Technical University 2001

PhD: Izmir Tepecik Training and Research Hospital Neurosurgery 2009

Experience

Konya Doğanhisar Başköy health center 2001-2002

Izmir Tepecik Training and Research Hospital 2004-2010

Agri State Hospital (Compulsory service) 2010-2011

Arnavutkoy State Hospital 2011-2012

Bakirkoy Sadi Konuk EAH 2012-2014

Istanbul Kanuni Training and Research Hospital 2015-2020

Başakşehir çam Sakura City Hospital 2020-2024

In 2009, I completed my specialty training in Neurosurgery and Neurosurgery at Izmir Tepecik Training and Research Hospital and worked as a specialist doctor at Istanbul Bakırköy Sadi Konuk EAH, Kanuni EAH and Başakşehir Çam and Sakura City Hospital affiliated to the University of Health Sciences. I have been working in the field of pediatric neurosurgery for 9 years. In 2024, I started to work as a Faculty Member at Biruni University Department of Neurosurgery and Neurosurgery.

Scientific Membership

Turkish Neurosurgical Society Membership
Pediatric Neurosurgery Group Membership
Turkish Medical Association

Medical Intrests

• Pediatric Neurosurgery
• Neurooncological Surgery
• Spina Bifida and Congenital Anomalies
• Hydrocephalus
• Spine and Spinal Cord Surgery

Dr. Andrew Kaye is a highly respected neurosurgeon with 47 years of experience. He specializes in brain tumor surgery, skull base procedures, pituitary tumor removal, and cerebral vascular surgery. He has led the Neurosurgery Department at Royal Melbourne Hospital. He also chaired the Neurosurgical Service of South Island in New Zealand.

Dr. Kaye graduated from the University of Melbourne. He completed further training at Oxford, Royal Melbourne, Royal Children’s Hospital, and Cleveland Clinic. He has received the Ronald Bittner Award and the Medal of Honor from the International Federation of Neurosurgical Societies. Dr. Kaye is a member of several leading neurosurgical associations worldwide.

Dr. Samuel Moscovici is a top neurosurgeon in Jerusalem, Israel. He is known for treating Epidermoid Cyst, Schwannoma, and Neurosarcoidosis. He also performs advanced procedures like Endovascular Embolization and Stent Placement.

Dr. Moscovici has published 67 peer-reviewed articles in the past 15 years. His research shows his strong commitment to medical progress. He is highly rated in six specialized conditions, which highlights his skill and dedication to patient care.