1. Minimalinvasive dorsale cervikale Foraminotomie nach Frykholm. Technik und Ergebnise. Kogias E, Psarras N, Vougioukas VI. 2009 (23. Hellenic Neurosurgical Congress, Alexandroupolis, Greece, Juni 2009).

2. Vagus nerve stimulator implantation for medically refractory epilepsy: indications, complications and 2-year-follow-up in an epilepsy center. Kogias E, Ramantani G, Scheiwe C, Freiman T, Schulze-Bonhage A, Zentner. 2010 (24. Hellenic Neurosurgical Congress, Crete, Greece, May 2010).

3. Interhemispheric transcallosal transforaminal approach for resection of a third ventricle pilocytic astrocytoma in a patient with neurofibromatosis type I. Kogias E., Psarras N., Vougioukas V., Trippel M., van Velthoven V. 2010 (24. Hellenic Neurosurgical Congress, Crete, Greece, May 2010).

4. Decompressive laminectomy and dorsal pedicle screw fixation for multilevel cervical spondylotic myelopathy. A clinical evaluation. Kogias E, Scholz C, Sircar R, Scheiwe C, Klingler JH, Hubbe U. 2012 (Vortrag bei der 63. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), Leipzig, 14.-16. Juni 2012).

5. Minimally invasive posterior cervical foraminotomy. Technique and results. Petö I, Kogias E, Scheiwe C. 2012 (EANS Annual Meeting in Bratislava, Slowakei, 24.-27.10.2012).

6. Radiographic assessment and outcome after ventral discectomy and implantation of cage or PMMA. Klingler JH, Krüger MT, Sircar R, Kogias E, Scheiwe C, Hubbe U. 2012 (Vortrag bei der 63. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), Leipzig, 14.-16. Juni 2012).

7. Percutaneous minimal invasive stabilisation of pyogenic thoracal and lumbar spondylodiscitis: Long-term follow-up of 70 patients. Hubbe U, Ohla V, Deininger M, Sircar R, Kogias E, Krüger MT, Scheiwe C, Klingler JH. 2013 (64. Jahrestagung der DGNC, 26.-29.5.13, Düsseldorf).

8. Incidental durotomy in redo dircectomy for recurrent lumbar disc herniations: open vs. minimally invasive technique. Kogias E, Klingler J-H, Franco P, Vasilikos I, Hubbe U. 2015 (29. Hellenic Neurosurgical Congress, Athens, Greece, May 2015).


9. Resective surgery for MRI-negative epilepsy: presurgical evaluation and clinical outcome. E. Kogias, C. Scheiwe, A.M. Staack, D.M. Altenmüller. EANS 2016 Congress, Athens, Greece.

10. Temporal versus extratemporal „true“ MRI-negative epilepsies: a comparative retrospective study. Kogias E., Evangelou P., Urbach H., Doostkam S. and Altenmueller D.-M. 32nd Annual Congress of Hellenic Neurosurgical Society, Chania 2018

11. Multilobar epilepsy surgery in childhood and adolescence: predictors of long-term seizure outcome. E. Kogias, Th. Bast, S. Schubert-Bast, G. Wiegand, R. Korinthenberg, A. Schulze-Bonhage, J. Zentner, G. Ramantani. 2018 (69. Jahrestagung der DGNC, 03-06.06.2018, Münster)

12. Incidence and repair of intraoperative CSF leakage during transnasal endoscopic pituitary surgery. Fistouris P., Kogias E. 2019 (33rd Congress of the Hellenic Neurosurgical Society, Thessaloniki, Greece)

13. Unilateral transnasal endoscopic approach for resection of sellar lesions: Technique and results. Kogias E., Fistouris P. 2019 (33rd Congress of the Hellenic Neurosurgical Society, Thessaloniki, Greece)