- İstanbul Florence Nightingale Hospital
- 2023 Istanbul Florence Nightingale Hospital Brain, Nerve and Spinal Cord Surgery Specialist
- 2021 - 2023 Istanbul Liv Ulus Hospital Brain, Nerve and Spinal Cord Surgery Specialist
- 2018 - 2021 Acibadem Maslak Hospital Brain, Nerve and Spinal Cord Surgery Specialist
- 2014 - 2018 Memorial Health Group Brain, Nerve and Spinal Cord Surgery Specialist
- 2012-2014 Medipol Mega Hospital Brain, Nerve and Spinal Cord Surgery Specialist
- 2012-2012 Gaziosmanpasa University Faculty of Medicine Department of Brain and Nerve Surgery - Assoc. Prof.
- 2010-2012 Tokat State Hospital Brain, Nerve and Spinal Cord Surgery Specialist
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• Turkish Medical Association
• Turkish Neurosurgery Association
• Turkish Brain Diseases Association
• Skull Base Association
• Turkish Spine Association
• Eurospine, The Spine Society of Europe
• Scullbase Society Of Europe
• Association of Aviation Medicine
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• 35 publications in international journals and 18 in national journals, 18 international and 40 national papers, more than 100 articles published in national and international journals and papers presented at congresses, chapter authorship in 5 different books in the field of Neurosurgery
• Decompressive craniectomy in traumatic brain injury: Transcranial Doppler sonography used as a guide; SARI RAMAZAN, BÖLÜKBAŞI FATİH HAN, Kahraman Özlü Eylem Burcu, Işık Nejat, GÜRA ÇELİK MELEK, ELMACI İLHAN. Turkish Journal of Trauma and Emergency Surgery. 2020
• Could isthmic approach to far lateral disc hernias cause instability?, SARI RAMAZAN, Erbay Elibol Fatma Kübra, Kahraman Özlü Eylem Burcu, ELMACI İLHAN, DEMİR TEYFİK. Clinical Biomechanics 2020
• Multimodal intraoperative neurophysiologic monitoring in the neurosurgical oncology: Brandmeier Sema,Taskiran Emine,BÖLÜKBAŞI FATİH HAN,SARI RAMAZAN,ELMACI İLHAN. Turkish Neurosurgery, 2018
• Multimodal intraoperative neurophysiologic monitoring in the spinal cord surgery; Taskiran Emine, Brandmeier Sema, Özek Erdinç, SARI RAMAZAN, BÖLÜKBAŞI FATİH HAN, ELMACI İLHAN: Turkish Neurosurgery, 2016
• Management of failed cranioplasty ;SARI RAMAZAN,Tonge Mehmet,BÖLÜKBAŞI FATİH HAN,Onoz Mustafa,President Ozdil,SİLAV GÖKALP,ELMACI İLHAN,Turkish Neurosurgery,2015
• Treatment Strategies for Dopamine Agonist-Resistant and Aggressive Prolactinomas: A Comprehensive Analysis of the Literature, SARI RAMAZAN, Altinoz Meric A., kahraman özlü aksiyon burcu, SAV MURAT AYDIN, ERŞEN DANYELİ AYÇA, Baskan Ozdil, ER ÖZLEM, ELMACI İLHAN, Hormone and Metabolic Research, 2021
• Neurosurgical and neuro-immunological management of IgG4-related hypertrophic sclerosing pachymeningitis. A literature survey and discussion of a unique index case, ELMACI İLHAN, Altinoz Meric A., AKDEMİR GÖKHAN, SARI RAMAZAN, Baskan Ozdil, Özpınar Alp, Hacker Emily, SAV MURAT AYDIN; Clinical Neurology and Neurosurgery, 2021
• MGMT in glial carcinogenesis. Roles from prevention to treatment, ELMACI İLHAN, Altinoz Meric A., kahraman özlü aksiyon burcu, SARI RAMAZAN, ER ÖZLEM, Ekmekci Cumhur Gokhan, Ovid Technologies (Wolters Kluwer Health), 2022