Prof. Dr. Selim Kayacı

Prof. Dr. Selim KAYACI is a physician recognized for his knowledge and experience in the field of neurosurgery, with a successful academic and clinical career.

Prof. Dr. KAYACI was born in 1964 in Rize. After completing his primary and secondary education in his hometown of Rize, he continued his medical education at Istanbul University Cerrahpaşa Faculty of Medicine. He graduated from this prestigious institution in 1988, earning the title of medical doctor.

After graduation, he fulfilled his compulsory service for 13 months in Nevşehir Kaymaklı and completed his military duty at Diyarbakır 2nd Tactical Air Force Command. He then began his specialization training in neurosurgery at the Ankara Emergency Aid and Traumatology Hospital Neurosurgery Clinic, completing this training in 1997.

Prof. Dr. KAYACI started his academic career in 2011 as an Assistant Professor at Recep Tayyip Erdoğan University Faculty of Medicine, Department of Neurosurgery. He later earned the title of Associate Professor at Gazi University and was promoted to full Professor in 2021 at Erzincan Binali Yıldırım University Faculty of Medicine, Department of Neurosurgery.

He continued his academic work with a doctoral degree, pursuing a Ph.D. in the Department of Anatomy at Erzincan Binali Yıldırım University Institute of Health Sciences from 2019 to 2024. He completed this training on February 28, 2024, earning the title of Doctor of Philosophy (Ph.D.) in Anatomy.

Brain Diseases
Brain Tumors: Gliomas (astrocytoma, oligodendroglioma, ependymoma), meningiomas, pituitary adenomas, metastatic tumors, etc.
Brain Aneurysms and Arteriovenous Malformations (AVM): Abnormalities in brain vessels and associated hemorrhages.
Brain Hemorrhages: Subarachnoid hemorrhage (SAH), intracerebral hematoma (ICH), epidural hematoma, subdural hematoma.
Hydrocephalus: Fluid accumulation in the brain.
Head Trauma: Concussion, brain contusion, skull fractures.
Brain Infections: Meningitis, encephalitis, brain abscess.
Normal Pressure Hydrocephalus (NPH): A type of hydrocephalus seen in elderly patients.

Functional Neurosurgery
Parkinson’s Disease: Deep brain stimulation (DBS).
Epilepsy Surgery: Surgical treatment for drug-resistant epilepsy seizures.
Trigeminal Neuralgia: Surgical treatment of severe facial pain.

Neurovascular Surgery
Surgical procedures related to brain vessels.
Cerebrovascular Diseases: Stroke causes and surgical treatment.

Spinal Cord and Spine Diseases
Lumbar and Cervical Disc Herniation: Disc hernia surgery.
Spinal Cord Tumors: Tumors originating from inside or around the spinal cord.
Spine Trauma: Spine fractures and injuries.
Spinal Canal Stenosis: Surgical treatment for conditions compressing the spinal cord.
Scoliosis and Kyphosis: Spine curvatures.
Spondylolisthesis: Forward slipping of vertebrae.

Peripheral Nerve Diseases
Carpal Tunnel Syndrome: Surgical treatment for nerve compression in the hand.
Ulnar Neuropathy: Nerve compression at the elbow or wrist.
Nerve Tumors.
Nerve Transection and Injuries

Brain Tumor Surgery

• Glial tumors (glioblastoma, astrocytoma, oligodendroglioma, etc.)
• Meningiomas
• Pituitary adenomas
• Metastatic brain tumors
• Skull base tumors (acoustic neuroma, etc.)

Neurovascular Surgery

• Brain aneurysm surgery (aneurysm clipping, coiling)
• Arteriovenous malformation (AVM) surgery
• Carotid artery disease (carotid endarterectomy)
• Stroke surgery (commonly thrombectomy)

Trauma Surgery

• Head trauma surgery (hematoma evacuation, decompressive craniectomy, etc.)
• Spinal trauma surgery (fracture stabilization, spinal decompression)

Functional Neurosurgery

• Epilepsy surgery
• Movement disorder surgery (Deep Brain Stimulation - DBS)

Pain surgery (trigeminal neuralgia surgery, etc.)

• Disc Surgery
• Lumbar disc herniation surgery

Cervical disc herniation surgery

• Spinal Stenosis Surgery
• Lumbar spinal stenosis surgery (decompression, fusion)

Cervical spinal stenosis surgery

• Spinal Tumor Surgery
• Spinal cord tumor surgery

Spinal tumors (metastatic or primary) surgery

• Spinal Trauma Surgery
• Spinal fracture surgery (fixation, vertebroplasty/kyphoplasty)

Spinal cord injury surgery

• Spinal Deformity Surgery
• Scoliosis surgery
• Kyphosis surgery

• Specialization Training - Ankara Emergency and Trauma Hospital - Neurosurgery Clinic - 1992-1997
• Doctorate Education - Erzincan Binali Yıldırım University Health Sciences Institute, Department of Anatomy - November 2019 to February 28, 2024 (Awarded Ph.D. in Anatomy

• Assistant Professor Recep Tayyip Erdoğan University Faculty of Medicine, Department of Neurosurgery March 2011
• Associate Professor Gazi University
• Professor Erzincan Binali Yıldırım University Faculty of Medicine, Department of Neurosurgery July 2021

• Rize State Hospital - 1997-2007 (Neurosurgery Specialist)
• Private Şar Hospital - 2007-2011 (Neurosurgery Specialist)
• Recep Tayyip Erdoğan University Faculty of Medicine, Department of Neurosurgery - 2011-2017
• Erzincan Binali Yıldırım University Faculty of Medicine, Department of Neurosurgery - 2017-2023 (Head of Department and Clinical Supervisor)
• Private A Life Healthcare Group - Ankara - Currently working

• Turkish Neurosurgery Society Prof. Dr. Mahir Tevruz Scientific Research First Prize
  Kayaci S, Caglar YS, Bas O, Ozveren MF. Importance of the perforating arteries in the proximal part of the PICA for surgical approaches to the brain stem and fourth ventricle—an anatomical study. Clin Neurol Neurosurg. 115, 2153-2158 pp August 2013 doi: 10.1016/j.clineuro.2013.08.005
• Turkish Neurosurgery Society Prof. Dr. Hamit Ziya Gökalp Young Neurosurgeon Encouragement Second Prize
  Ugur HC, Dogan I, Kahilogullari G, Al-Beyati ES, Ozdemir M, Kayaci S, Comert A. New practical landmarks to determine sigmoid sinus free zones for suboccipital approaches: an anatomical study. J Craniofac Surg. 24, 1815-1818 pp September 2013, doi: 10.1097/SCS.0b013e3182997ff8

National Articles 1
Kayacı S, Köksal V, Çağlar YS. The relationship of lumbosacral root anomalies with herniated disc. Turkish Neurosurgery Journal, 24, 15-19 pp, 2014

National Articles 2
Kayacı S, Kotil K, Üçüncü Y, Özveren MF: Clinical and surgical importance of variations in the vertebrobasilar system: An anatomical study. Turkish Neurosurgery Journal, 24, 7-14 pp, 2014

National Articles 3
Kayacı S, Kotil K: Spontaneous thoracic spinal epidural hematoma causing paraplegia due to anticoagulant and antiplatelet drug use: A case report and review. Turkish Neurosurgery Journal, 24, 24-30 pp, 2014

National Articles 4
Kayacı S, Köksal V, Kırbaş S. Peroneal nerve palsy: Characteristics and treatment outcomes of eight operated cases. Şişli Etfal Medical Journal, 2014, DOI: 10.5350/SEMB2014480212

National Articles 5
Köksal V, Kayacı S, Coşkun S. Hangman fracture treated with cervical collar: Case report. Academic Emergency Medicine Case Reports Journal, DOI: 10.5152/jaemcr.2014.75437, 2013

National Articles 6
Köksal V, Kayacı S, Ertürk C, Tümtürk A. Germinal matrix hemorrhages in premature infants: Review. Selçuk Pediatrics, 1, 248-257 pp, 2013

National Articles 7
Köksal V, Kayacı S, Tümtürk A, Öktem S: Galen vein aneurysm. Review. Selçuk Pediatrics, 1, 241-247 pp, 2013

National Articles 8
S Kayacı, E Gürkaş, Ş Bilen, G Ayberk, F Özveren. Recent approaches in acute ischemic stroke: Literature summary. Turkish Cerebrovascular Diseases Journal, 17, 49-54 pp, 2011

National Articles 9
Çakır T, Kayacı S. Iliopsoas muscle hematoma due to traumatic lumbar vertebrae transverse process fracture as a cause of unexplained drop in hemoglobin. Arch Basic Clin Res 2020; 2(3): 104-7 • DOI: 10.5152/ABCR.2020.01

International Articles 1
Kotil K, Kayaci S: Reduction and arthrodesis with sublaminar spiral silk in atlanto-axial joint instability: a new method. Acta Orthop Traumatol Turc 2014;48(4):443-448 doi: 10.3944/AOTT.2014.3156

International Articles 2
Kotil K, Koksal NS, Kayaci S. Lumbar Sequestrectomy versus Aggressive Microdiscectomy: over more than 5 years of follow-up. Journal of Clinical Neuroscience Doi: 10.1016/J. Jocn.2014.01.012

International Articles 3
Kanat A, Kayaci S, Yazar U, Yilmaz A. What makes Maurice Ravel's deadly craniotomy interesting? Concerns of one of the most famous craniotomies in history. Acta Neurochir (Wien).152, 737-742. April 2010, doi: 10.1007/s00701-009-0507-y.

International Articles 4
Kanat A, Kayaci S, Yazar U, Kazdal H, Terzi Y. Chronic subdural hematoma in adults: why does it occur more often in males than females? Influence of patient's sexual gender on occurrence. Review. J Neurosurg Sci. 54, 99-103 pp September 2010

International Articles 5
Kanat A, Kayaci S, Yazar U, Sahin Y, Yaman O, Guvercin AR. One of the giants of neurological surgery left us more than a decade ago, and neurosurgical literature did not show much interest. Neurol Neurochir Pol. 45, 63-67 pp, January 2011

International Articles 6
Yilmaz A, Kanat A, Musluman AM, Colak I, Terzi Y, Kayaci S, Aydin Y. When is duraplasty required in the surgical treatment of Chiari malformation type I based on tonsillar descending grading scale? World Neurosurg. 75, 307-313 pp. February 2011 doi: 10.1016/j. wneu. 2010.09.005

International Articles 7
Ayberk G, Ozveren MF, Aslan S, Yaman ME, Yaman O, Kayaci S, Tekdemir I. Subarachnoid, subdural and interdural spaces at the clival region: an anatomical study. Turk Neurosurg. 21, 372-377 pp. January 2011, doi: 10.5137/1019-5149.JTN.3913-10.1.

International Articles 8
Ozveren MF, Kayaci S, Ayberk G. Interdural hematoma extending from the clivus to the spinal epidural space in an intracranial aneurysm case. Neurosurgery. 69,1339-1341 pp, December 2011, doi: 10.1227/NEU.0b013e3182338b5b.

International Articles 9
Kayaci S, Kanat A, Aydin MD, Musluman AM, Eseoglu M, Karalar M, Gundogdu C. Role of neuron density of the stellate ganglion on regulation of the basilar artery volume in subarachnoid hemorrhage: An experimental study. Auton Neurosci.165,163-167 pp. December 2011, doi: 10.1016/j.autneu.2011.06.008.

International Articles 10
Ozveren MF, Ayberk G, Kayaci S. Are traumatic retroclival hematomas located epidurally, interdurally, or subdurally? Neurosurgery. 69,1185-1186 pp; November 2011 author reply E1186. doi:10.1227/NEU.0b013e31822ed4dd.

International Articles 11
Kayaci S, Yildiz O, Gucer H, Mandel NM. Angiosarcoma of the liver with metastasis to the cervical spine cured with the treatment of thalidomide and radiotherapy. Acta Neurochir (Wien).154, 369-370 pp. February 2012, doi: 10.1007/s00701-011-1192-1.

International Articles 12
Kotil K, Köksal NS, Kayacı S. Posterior transodontoid fixation: A new fixation (Kotil) technique. J Craniovertebr Junction Spine. 2, 41-45 pp January 2011. doi: 10.4103/0974-8237.85313.

International Articles 13
Kayaci S, Kanat A, Gucer H, Seckin H. Primary osteoma of the orbit with atypical facial pain: case report and literature review. Turk Neurosurg. 22, 389-392 pp. October 2012, Doi:10.5137/1019-5149.JTN.3690-10.0.

International Articles 14
Kayaci S, Koksal V, Kırbas S, Tomak Y, Ozveren F: Intracranial chronic subdural hematoma occurring six months after spinal anesthesia: a case report. Journal of Neurological Science (Turkish), 30, 796-800 pp, October 2013

International Articles 15
Kayaci S, Caglar YS, Bas O, Ozveren MF. Importance of the perforating arteries in the proximal part of the PICA for surgical approaches to the brain stem and fourth ventricle - an anatomical study. Clin Neurol Neurosurg.115, 2153-2158 pp August 2013 doi: 10.1016/j. clineuro. 2013.08.005

International Articles 16
Ugur HC, Dogan I, Kahilogullari G, Al-Beyati ES, Ozdemir M, Kayaci S, Comert A. New practical landmarks to determine sigmoid sinus free zones for suboccipital approaches: an anatomical study. J Craniofac Surg. 24, 1815-1818 pp September 2013, doi: 10.1097/SCS. 0b013e 3182997ff8

International Articles 17
Kayaci S, Şengöz A, Koksal V, Gunver F, Kaya Kılıç K, Glioblastoma multiforme mimicking falx meningioma with achondroplasia: Case report. Neurosurgery Q 24:53-55 pp. Doi: 10.1097WNQ. 06013e31828e75ec, February 2014

International Articles 18
Kayaci S, Kanat A, Koksal V, Ozdemir B. Effect of Inner Membrane Tearing in the Treatment of Adult Chronic Subdural Hematoma: A Comparative Study. Neurol Med Chir (Tokyo). 1-11 pp, January 2014, Doi: 10.2176/nmc.oa. 2013-0147

International Articles 19
Kayacı S, Çağlar YS, Kotil K: Importance of variations at the origin of the posterior inferior cerebellar artery: anatomical study. Journal of Neurological Science (Turkish). 31,155-163 pp, January 2014

International Articles 20
Kayaci S. In reply. Clin Neurol Neurosurg, 119, 133-134 pp, January 2014 doi: 10.1016/j. clineuro.2014.01.026

International Articles 21
Eseoglu M, Yilmaz I, Karalar M, Aydin MD, Kayaci S, Gundogdu C, Gunaldi O, Onen MR. The role of sympathectomy on the regulation of basilar artery volume changes in stenoocclusive carotid artery modeling after bilateral common carotid artery ligation: an animal model. Acta Neurochir (Wien), 156, 963-969 pp February 2014 doi: 10.1007/s00701-014-1994-z.

International Articles 22
Kotil K, Kayaci S. A Transdural Approach for Lower Lumbar Burst Fractures. A Novel (Kotil) Technical Note. J Spine 2015, 4:2. doi: 10.4172/2165-7939. 1000221

International Articles 23
Ogden M, Ozveren MF, Kayaci S. Petrobasilar, petroclival or petrosphenoidal canal of the abducens nerve. Acta Neurochir (Wien). 2017 Nov;159(11):2145-2146. doi: 10.1007 /s00701-017-3324-8. Epub 2017 Sep 24.

International Articles 24
Koksal V, Kayaci S. Unexpected Rupture of a Giant Lobulated Thrombotic Middle Cerebral Artery Aneurysm and Emergency Surgical Treatment With Thrombectomy: A Case Report and Review of the Literature. Iranian Red Crescent Medical Journal 2016. doi: 10.5812/ircmj.30608.

International Articles 25
Koksal V, Kayaci S, Bedir R, Balik G. Supratentorial Extraventricular Anaplastic Ependymoma Presented With Headache in Pregnancy: Case Report and Review of the Literature. J Med Cases. 2016;7(7):274-281. doi.org/10.14740/jmc2306w

International Articles 26
Koksal V, Kayaci S, Bedir R. Split Rib Cranioplasty for Frontal Osteoma: A Case Report and Review of the Literature. Iranian Red Crescent Medical Journal. 2016. e

• TND 33rd Scientific Congress
  Speaker (Calvarial Tumors). April 11-14, 2019, Kemer, Antalya.
  Speaker & Moderator. April 11-14, 2019, Kemer, Antalya.

• TND 32nd Scientific Congress
  Speaker: Annual Papers, SS 08 and SS 47. April 20-24, 2018, Belek, Antalya.
  Moderator: Surgical Timing in Cervical Trauma. April 20-24, 2018, Belek, Antalya.

• TND, SPSC Teaching and Training Group
  SPSC Teaching and Training Group, Cervical and Thoracic Degenerative Spine Symposium.
  Speaker: Minimally invasive approaches: Conservative treatments, How far to go in which patient. September 21-24, 2017, Bodrum.

• TND, SPSC Teaching and Training Group, Anatolian Spinal Meetings
  SPSC Teaching and Training Group, Anatolian Spinal Meetings. Complications in Spinal Surgery and updated algorithms based on cases.
  Speaker: Major complications of pedicle screw placement: How I managed the crisis. May 6-7, 2017, Amasra.

• TND 31st Scientific Congress
  Moderator, Oral Presentations 5, Neuro-oncological Surgery, SS 51-SS 60, March 29-April 2, 2017, Antalya.

• International Scientific Presentation 1
  Orhan Baş, Selim Kayacı, Fatma Beyazal Çeliker, Yılmaz Üçüncü, Mehmet Faik Özveren.
  Calculation and Comparison of the Volume of the Lateral Ventricle Using Magnetic Resonance Imaging and Cadaver Section Images.
  International Multidisciplinary Studies Congress, 25-26 November 2017, Antalya.
• National Presentation 1
  Kayacı S, Aydın MD, Tayfun Çakır, Barış Özöner, Çalık M.
  A New Discovery in the Mechanism of Spasticity Formation During Subarachnoid Hemorrhage: The Relationship Between Central Canal Hemorrhage and Increased Spinal Cord Pressure: The First Experimental Study.
  SS 08 Presentation of the Year, TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 2
  Kayacı S, Baş O, Çeliker FB, Üçüncü Ü, Arslan YK, Özveren MF, Aykol Ş.
  Comparison of Thalamus Volume on Magnetic Resonance and Cadaver Section Images and Its Importance in the Context of Deep Brain Stimulation.
  SS 47, TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 3
  Çakır T, Kayacı S, Aydın MD, Özöner B, Çalık İ, Altınkaynak K.
  Uncovering a New Neuropathological Mechanism of Blood pH Irregularities During Neck Trauma/Surgery: Importance of Carotid Body-Glossopharyngeal Nerve Network Degeneration: First Experimental Study.
  SS 204, TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 4
  Özöner B, Çakır T, Özcan E, Kayacı S, Aydın N, Aydın MD, Çalık İ, Demirci E.
  Unraveling of a New Neuropathological Mechanism of Spastic/Akinetic/Depressive Disorders as an Important Cerebral Hardware/Software Complication of Subarachnoid Hemorrhage: The First Experimental Study.
  SS 113, TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 5
  S. Kayacı, A. Kanat, MD. Aydın, AM. Müslüman, M. Eseoğlu, M. Karalar, C. Gundoğdu.
  Within the Scope of the 10th TND Scientific Congress Conference, “The Role of Stellate Ganglion Neuron Density in the Regulation of Basilar Artery Volume in Subarachnoid Hemorrhage: Experimental Study” (Oral Presentation), pp. 94-95, Antalya, Turkey, April 2012.
• National Presentation 6
  Selim Kayacı, İsmail Topal, Nejat Akalan.
  Anal Prolapse Following Cystoperitoneal Shunt Applied to Quadrigeminal Arachnoid Cyst: Case Report.
  TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 7
  Tayfun Çakır, Barış Özöner, Müge Dolgun, Selim Kayacı.
  Foramen Magnum Tumor: Case Report and Our Surgical Experience.
  TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 8
  Tayfun Çakır, Barış Özöner, Müge Dolgun, Selim Kayacı.
  Rapid Resolution of Acute Subdural Hematoma: Two Case Reports.
  TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 9
  Müge Dolgun, Tayfun Çakır, Barış Özöner, Selim Kayacı.
  Approach to Subdural Empyema Secondary to Paranasal Sinusitis in Childhood: Case Report.
  TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 10
  Tayfun Çakır, Barış Özöner, Müge Dolgun, Selim Kayacı.
  Surgical Approach in Combined Thoracic and Lumbar Disc Hernia: Case Report.
  TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 11
  Tayfun Çakır, Barış Özöner, Müge Dolgun, Selim Kayacı.
  Surgical Planning According to McCormack Severity Score in Treatment of Lumbar Vertebral Burst Fracture.
  TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 12
  Müge Dolgun, Tayfun Çakır, Barış Özöner, Selim Kayacı.
  Bilateral Tarlov Cyst Localized in Upper Lumbar Region; Case Report and Literature Review.
  TND 32nd Scientific Congress, 20-24 April 2018, Belek, Antalya.
• National Presentation 13
  S. Kayacı, ID-Subaşı, T. Durakoğlugil, V. Köksal, MD. Aydın.
  Within the Scope of the 28th TND Scientific Congress Conference, “Artifacts Caused by Ferromagnetic Materials on Cranial MRI,” pp. 377-378, Antalya, Turkey, April 2014.
• National Presentation 14
  S. Kayacı, Y. Üçüncü.
  Within the Scope of the 28th TND Scientific Congress Conference, “The Relationship of the Anterior Inferior Cerebellar Artery with the Vertebrobasilar Junction and Variations in Its Origin: Anatomical Study,” p. 361, Antalya, Turkey, April 2014.
• National Presentation 15
  S. Kayacı, Ş. Bozok, K. Kotil.
  Within the Scope of the 28th TND Scientific Congress Conference, “Aorta Penetrating Thoracic Pedicle Screw: Case Report,” p. 208, Antalya, Turkey, April 2014.
• National Presentation 16
  S. Kayacı, MF Özveren, A. Cömert, H. Dinç, YŞ. Çağlar, Orhan Baş, Giyas Ayberk.
  Within the Scope of the 28th TND Scientific Congress Conference, “Evaluation of the Origin of the Anterior Spinal Artery Based on ‘Clock Quadrant Method’: Anatomical and Radiological Study,” pp. 360-361, Antalya, Turkey, April 2014.
• National Presentation 17
  S. Kayacı.
  Within the Scope of the 28th TND Scientific Congress Conference, “Batson Plexus Mimicking Lumbar Disc Disease,” p. 188, Antalya, Turkey, April 2014.
• National Presentation 18
  S. Kayacı, C. Yurdakul, T. Durakoğlugil.
  Within the Scope of the 28th TND Scientific Congress Conference, “Spinal Ganglioneuroma Mimicking Lumbar Disc Hernia with Aberrant Root: Case Report,” p. 207, Antalya, Turkey, April 2014.
• National Presentation 19
  S. Kayacı, S. Kırbaş, L. Karaoğlu.
  Within the Scope of the 28th TND Scientific Congress Conference, “The Importance of Chronic Microtrauma in the Etiology of Carpal Tunnel Syndrome and the Review of Our Surgical Treatment Results,” p. 170, Antalya, Turkey, April 2014.
• National Presentation 20
  S. Kayacı, S. Kırbaş.
  Within the Scope of the 28th TND Scientific Congress Conference, “Surgical Treatment of Ulnar Nerve Entrapment Neuropathy at the Cubital Tunnel by Simple Decompression Method,” pp. 202-203, Antalya, Turkey, April 2014.
• National Presentation 21
  S. Kayacı, V. Köksal, YŞ. Çağlar.
  Within the Scope of the 28th TND Scientific Congress Conference, “Incidental Lumbosacral Root Anomalies Detected During Surgery,” p. 170, Antalya, Turkey, April 2014.
• National Presentation 22
  S. Kayacı, MF Özveren, E. Dursun, R. Bedir.
  Within the Scope of the 28th TND Scientific Congress Conference, “Atypical Olfactory Groove Meningioma Showing Paranasal Sinus Invasion: Case Report,” p. 256, Antalya, Turkey, April 2014.
• National Presentation 23
  S. Kayacı, V. Köksal, S. Kırbaş.
  Within the Scope of the 28th TND Scientific Congress Conference, “Peroneal Nerve Palsy: Characteristics and Treatment Results of Eight Operated Cases,” pp. 207-208, Antalya, Turkey, April 2014.
• National Presentation 24
  S. Kayacı, MF Özveren, Y. Üçüncü.
  Within the Scope of the 28th TND Scientific Congress Conference, “Bilateral Petrosphenoidal Ligament Ossification: Anatomical Presentation,” pp. 363-364, Antalya, Turkey, April 2014.
• National Presentation 25
  S. Kayacı.
  Within the Scope of the 28th TND Scientific Congress Conference, “Calcification in the Subdural Space in the Late Period After Chronic Subdural Hematoma Evacuation: Case Report and Literature Review,” p. 331, Antalya, Turkey, April 2014.
• National Presentation 26
  S. Kayacı, S. Kırbaş.
  Within the Scope of the 28th TND Scientific Congress Conference, “What Should Be the Treatment in Asymptomatic Tarlov Cyst? Case Report,” p. 171, Antalya, Turkey, April 2014.
• National Presentation 27
  S. Kayacı, U. Yazar.
  Within the Scope of the 28th TND Scientific Congress Conference, “Our Surgical Experience in Trigonocephaly: Case Report,” p. 236, Antalya, Turkey, April 2014.
• National Presentation 28
  S. Kayacı, Y. Üçüncü.
  Within the Scope of the 28th TND Scientific Congress Conference, “A Complicated Vertebrobasilar System Variation: Anatomical Presentation,” p. 361, Antalya, Turkey, April 2014.
• National Presentation 29
  S. Kayacı, T. Durakoğlugil.
  Within the Scope of the 28th TND Scientific Congress Conference, “Spontaneous Subdural Hematoma in Patients Using Anticoagulant Drugs,” pp. 332-333, Antalya, Turkey, April 2014.
• National Presentation 30
  K. Kotil, S. Kayacı.
  Within the Scope of the 27th TND Scientific Congress Conference, “Sublaminar Spiral Thread Grafting Technique in Atlanto-Axial Joint Instability: A New Surgical Technique,” p. 152, Antalya, Turkey, April 2013.