Έρευνα

Ο Δρ. Γ. Χατζηγεωργίου διαθέτει πλούσιο συγγραφικό και ερευνητικό έργο. Συγκεκριμένα έχει αρθρογραφήσει πάνω από 25 άρθρα σε peer-reviewed journals, ενώ έχει παρουσιάσει άνω των 110 ομιλιών σε ελληνικά και διεθνή συνέδρια. Σε πολλά από αυτά έχει συμμετάσχει ως προσκεκλημένος ομιλητής (invited speaker).

Η διδακτορική του διατριβή με τίτλο «Γενετικές μελέτες σε γονίδια που σχετίζονται με την έκβαση των ασθενών με κρανιοεγκεφαλική κάκωση», ανέλυσε πολυμορφισμούς γονιδίων των ACE και AQP4 που σχετίζονται με ευνοϊκότερη έκβαση και βαθμολογήθηκε με Άριστα.

Από την θέση του Λέκτορα και Συντονιστή Νευροχειρουργικής/Νευροεπιστημών στο Ευρωπαϊκό Πανεπιστήμιο Κύπρου συμμετέχει σε πολυάριθμα ερευνητικά πρωτόκολλα και καθοδηγεί τους φοιτητές του στην δημοσίευση πρωτότυπων μελετών. Αντικείμενο ιδιαίτερου ερευνητικού ενδιαφέροντος αποτελούν η νευρο-ογκολογια, οι αγγειακές παθήσεις του εγκεφάλου και οι παθήσεις της σπονδυλικής στήλης.

Κατά τη διάρκεια της ακαδημαϊκής και επαγγελματικής του σταδιοδρομίας, του έχουν απονεμηθεί σημαντικές διεθνείς υποτροφίες (Aesculap, Codman) και βραβεία (Χρυσός Σταυρός Ερυθρού Σταυρού, Βραβείο Νευροχειρουργικής Χ. Αντωνιάδη). Είναι επίσης μέλος σε συντακτικές επιτροπές διεθνών περιοδικών και μέλος επιστημονικών επιτροπών.

Συγκεκριμένα είναι μέλος των παρακάτω επιστημονικών συλλόγων:

  • European Association of Neurosurgical Societies (EANS)
  • Congress of Neurological Surgeons (CNS)
  • American Association of Neurological Surgeons (AANS)
  • General Medical Council (GMC), UK
  • AO Spine Society
  • Medical Society of Bayern, Germany
  • Ελληνική Νευροχειρουργική Εταιρεία
  • Ιατρικός Σύλλογος Αθηνών
  • Παγκύπριος Ιατρικός Σύλλογος

Παρακάτω παρατίθενται επιλεγμένα δημοσιευμένα άρθρα σε επιστημονικά περιοδικά και παρουσιάσεις σε συνέδρια.

JOURNAL ARTICLES (in peer reviewed journals)

JOURNAL ARTICLES (in non- peer reviewed journals)

PUBLISHED ABSTRACTS

ORAL PRESENTATIONS – POSTERS (International Congresses)

HANDS-ON WORKSHOPS

JOURNAL ARTICLES (in peer reviewed journals)

Facial palsy caused by an intrameatal metastatic disease – Reconstruction with an autologous sural nerve graft.
Hadjigeorgiou GF, Michalinos A, Siakallis L, Johnson EO
Injury J. 2020 March; [ahead of print]

Olfactory Schwannomas: an enigmatic clinical entity.
Hadjigeorgiou GF, Strouthou E, Koulousakis D, Patsouris V, Neff F, Lumenta CB, Schul D
Br J Neurosurg. 2019 Sept; [ahead of print]

Surgical and Functional Outcome of Olfactory Groove Meningiomas: Lessons from the Past Experience and Strategy Development.
Fountas KN, Hadjigeorgiou GF, Kapsalaki EZ, Paschalis T, Rizea R, Ciurea AV
Clin Neurol Neurosurg. 2018; Aug;171:46-52. doi: 10.1016/j.clineuro.2018.05.016

Isolated massive intraventricular haemorrhage without subarachnoid haemorrhage due to rupture of a posterior communicating artery aneurysm.
Anagnostopoulos C, Chamilos C, Hadjigeorgiou GF, Petsanas A
Br J Neurosurg. 2017 Dec; [Epub ahead of print]

Intrachiasmatic abscess caused by IgG4-related hypophysitis.
Hadjigeorgiou GF, Lund EL, Poulsgaard L, Feldt-Rasmussen U, Rasmussen ÅK, Wegener M, Fugleholm K
Acta Neurochir (Wien). 2017 Aug 10. doi: 10.1007/s00701-017-3288-8

Repeat surgery for recurrent low-grade gliomas should be standard of care.
Uppstrom TJ, Singh R, Hadjigeorgiou GF, Magge R, Ramakrishna R
Clin Neurol Neurosurg. 2016 Dec; 151:18-23. doi: 10.1016/j.clineuro.2016.09.013.

Traumatic pneumorrachis after isolated closed head injuries: An up-to-date review.
Hadjigeorgiou GF, Singh R, Stefanopoulos PK, Petsanas A, Hadjigeorgiou FG, Fountas K
J Clin Neurosci. 2016 Dec; 34:44-46. doi: 10.1016/j.jocn.2016.07.008

Low-grade myofibroblastic sarcoma of the thoracic spine: report of an extreme rare case.
Hadjigeorgiou GF, Samaras V, Varsos V
Br J Neurosurg. 2016 Aug 18:1-3. doi: 10.1080/02688697.2016.1220505.

Intracranial meningioma with vertebral or intraspinal metastasis: report of 2 cases and review of the literature.
Singh R, Ryan C, Chohan M, Tisnado J, Hadjigeorgiou GF, Bilsky M
J Neurosurg Spine. 2016 Dec; 25(6):775-781. Epub 2016 Jul 15.

Traumatic brain injury and gene knockout animal models: an up-to-date review.
Hadjigeorgiou GF, Singh R, Dardiotis E, Paterakis K, Hadjigeorgiou GM, Fountas KN.
J Neurosurg Sci. 2017 Dec; 61(6):652-664. doi: 10.23736/S0390-5616.16.03589-X. Epub 2016 Jan 20.

AQP4 tag single nucleotide polymorphisms in patients with traumatic brain injury.
Dardiotis E, Paterakis K, Tsivgoulis G, Tsintou M, Hadjigeorgiou GF, Dardioti M, Grigoriadis S, Simeonidou C, Komnos A, Kapsalaki E, Fountas K, Hadjigeorgiou G
J Neurotrauma, 2014 Dec 1;31(23):1920-6. doi: 10.1089/neu.2014.3347. Epub 2014 Oct 10.

Wound ballistics 101: the mechanisms of soft tissue wounding by bullets.
Stefanopoulos PK, Pinialidis DE, Hadjigeorgiou GF, Filippakis KN
Eur J Trauma Emerg Surg. 2015 Oct 15. DOI: 10.1007/s00068-015-0581-1

Wound ballistics of gunshots injuries.
Stefanopoulos PK, Pinialidis DE, Hadjigeorgiou GF, Filippakis KN
Hellenic Journal of Surgery. 2015. Sept; 87(5):351-356. DOI: 10.1007/s13126-015-0240-3

Patients on anticoagulants after a head trauma: is a negative initial CT scan enough? Report of a case of delayed subdural hematoma and review of the literature.
Hadjigeorgiou GF, Anagnostopoulos C, Chamilos C, Petsanas A
JKNS. 2014 Jan;55(1):51-3. doi: 10.3340/jkns.2014.55.1.51. Epub 2014 Jan 31.

Gunshot wounds: A review of ballistics related to penetrating trauma.
Stefanopoulos PK, Hadjigeorgiou GF, Filippakis K, Gyftokostas D
JAD, 2014 3(3): 178-85

Treatment of refractory simple partial status epilepticus by the addition of oral lacosamide in neurosurgical patients. Report of 3 cases.
Hadjigeorgiou G, Petsanas A, Anagnostopoulos C, Chamilos C, Vranos G
Epilepsy and Behavior Case Rep J. 2013 May 4; 1:69-70. doi: 10.1016/j.ebcr.2013.03.005

Reoperation combining re-cytoreductive surgery and re-HIPEC for recurrent periotoneal carcinomatosis.
Spiliotis J, Vaxevanidou A, Halkia E, Hadjigeorgiou G, Datsis A
JBUON. 2012 Jul-Sep;17(3):522-5

Rapid spontaneous resolution of acute subdural haematoma in a patient with chronic alcoholism.
Hadjigeorgiou G, Chamilos C, Petsanas A, Vranos G, Foteas P, Spiridakis F
Br J Neurosurg. 2012. Jun;26(3):415-6. doi: 10.3109/02688697.2011.631619. Epub 2011 Nov 23

JOURNAL ARTICLES (in non- peer reviewed journals)

Ependymoma with unusual sudden presentation.
Karakaidos D, Antonogeorgos F, Zosi P, Hadjigeorgiou G, Salapata A, Prodromou F, Karis C
New Pediatric Chr. 2009: 9,1: 56-60

Thyroid function in Growth Hormone Deficiency children after long term treatment with recombinant human Growth Hormone
Karakaidos D, Nikitaki Z, Zosi P, Kafalides G, Hadjigeorgiou G, Antonogeorgos G, Karis C
Pediatric Chr. 2008; Apr-Jun;8(2):119-123

PUBLISHED ABSTRACTS

Reversible sinking skin flap syndrome after decompressive craniectomy.
C. Chamilos; C. Anagnostopoulos; G. Hadjigeorgiou; A. Dafniotidis; A. Petsanas; G. Vranos; P. Spiridakis
Brain Injury; 2012 26 (4-5), 614-615

Massive traumatic hematoma of the corpus callosum: a case report.
C. Chamilos; G. Hadjigeorgiou; C. Anagnostopoulos; A. Dafniotidis; A. Petsanas; G. Vranos; P. Spiridakis
Brain Injury; 2012; 26(4-5), 619

Acute Subdural Hematoma with rapid spontaneous resolution in a patient with chronic alcoholism: a case report.
G. Hadjigeorgiou; C. Anagnostopoulos; C. Chamilos; A. Dafniotidis; A. Petsanas; G. Vranos; G. Alexopoulos
Brain Injury; 2012; 26(4-5), 614-615

Delayed subdural hematoma following normal computed tomography scan in a patient on anticoagulation: a case report.
G. Hadjigeorgiou; C. Anagnostopoulos; C. Chamilos; A. Dafniotidis; A. Petsanas; G. Vranos; G. Alexopoulos
Brain Injury; 2012; 26(4-5), 616-617

Effect of recombinant growth hormone (rhGH) treatment on the renal tubular reabsorption of calcium, phosphorus and magnesium in children with growth hormone deficiency.
D. Karakaidos; G. Triantafyllidis; G. Kafalidis; G. Hadjigeorgiou; C. Karis; M. Poulos
Hormone Research in Paediatrics; 2006; vol. 65 (suppl 4), 157-8

The effect of recombinant human growth hormone therapy on cholesterol, lipoprotein A (LP(A)) and apolipoprotein A and B levels of growth hormone deficient children
D. Karakaidos; G. Triantafyllidis; N. Kouskounelou; G. Hadjigeorgiou; G. Liakos
European Journal of Paediatrics; 2006; vol.165 (suppl.1)

Multiple endocrine disturbances in a 15-year old girl with intranial tuberculomas.
G. Triantafyllidis; D. Karakaidos; P. Zosi; G. Hatzigeorgiou; G. Kafalidis; C. Theodoridis; C. Karis
Endocrine Abstracts; 2004 (7); 296

ORAL PRESENTATIONS – POSTERS (International Congresses)

Vascular injury in thoracic and lumbar surgery.
Hadjigeorgiou GF (invited speaker)
33rd Annual Hellenic Congress & 4th Congress SeENS, Thessaloniki, Greece, 27-30 June 2019

Cerebral vasculature: surgical-anatomical overview.
Hadjigeorgiou GF (invited speaker)
LINC 2019, International Neurovascular Course, Athens, Greece, 29-30 March 2019

Minimally invasive spinal surgery for the treatment of traumatic thoracic and lumbar fractures.
Hadjigeorgiou GF
32nd Annual Congress of the Hellenic Neurosurgical Society & Joint Meeting with the Society of British Neurological Surgeons and the Cyprus Neurosurgical Society, Chania, Greece, 24-26 May 2018

A rare case of Ig4-related hypophisitis presented as an intrachiasmatic abscess.
Hadjigeorgiou GF, Patsouris V, Lund EL, Poulsgaard, Fugleholm K
32nd Annual Congress of the Hellenic Neurosurgical Society & Joint Meeting with the Society of British Neurological Surgeons and the Cyprus Neurosurgical Society, Chania, Greece, 24-26 May 2018

Sleep disorders after mild traumatic brain injuries in elderly people.
Syrmos N, Hadjigeorgiou GF, Syrmou E, Mylonas A, Gavridakis G, Valadakis V, Grigoriou K, Arvanitakis D
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Embolization as a stand-alone treatment for the complete angiographic obliteration of intracranial AVMs.
Hadjigeorgiou GF, Archontakis E, Drosos E, Pikis S, Singh R, Petrosyan T, Kelesis C, Arealis G, Hadjigeorgiou F
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

How effective are flow-diverters in the treatment of ruptured and unruptured intracranial aneurysms?
Drosos E, Hadjigeorgiou GF, Pikis S, Psilovassilopoulos G, Arealis G, Hadjigeorgiou F, Archontakis E
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Spinal epidural abscess: management and outcome
Hadjigeorgiou GF, Drosos E, Pikis S, Psilovassilopoulos G, Drilli A, Kelesis C, Karakalos S, Hadjigeorgiou F, Arealis G
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Outcome of spinal meningiomas after surgical resection: a single centre experience
Hadjigeorgiou GF, Drosos E, Petrosyan T, Karakalos S, Kelesis C, Arealis G, Hadjigeorgiou F
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Conservative management of occipital condyle fracture: clinical picture, imaging and outcome
Petsanas A, Hadjigeorgiou GF, Burtzinos G, Dafniotidis A, Gounaris K, Sakellaridis N
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Foot-drop as a result of an intraneural ganglion cyst.
Hadjigeorgiou GF, Petsanas A, Siokas V, Dardiotis E, Syrmos NC, Singh R, Rallis D, Skafida A, Alexopoulos G
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Effect of integrin AV and B8 gene polymorphisms in patients with traumatic brain injury.
Siokas V, Hadjigeorgiou GF, Dardiotis E, Dardioti M, Paterakis K, Fountas KN, Hadjigeorgiou GM
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Delayed postoperative spinal epidural hematomas.
Petsanas A, Hadjigeorgiou GF, Vranos G, Dafniotidis A, Gounaris K, Spyridakis F
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

Corpus callosum lipoma: an exceptional finding.
Hadjigeorgiou GF, Drosos E, Pikis S, Petrosyan T, Psilovassilopoulos G, Syrmos NC, Karakalos S, Kelesis C, Arealis G
EANS 16th European Congress of Neurosurgery, Athens, Greece, 4-8 September 2016

“Tube-in-tube” technique for the treatment of complex basilar artery aneurysm: report of a case and description of the technique.
Hadjigeorgiou G, Arhontakis E, Kelesis C, Markogiannakis G, Mylonakis Y, Psilovassilopoulos G, Hadjigeorgiou F, Varsos V
EANS 15th European Congress of Neurosurgery, Prague, Czech Republic, 12-17 October 2014

Tanycytic Ependymoma of the spine: case report and review of the literature.
Hadjigeorgiou G, Markogiannakis G, Mylonakis Y, Psilovassilopoulos G, Varsos V
EANS 15th European Congress of Neurosurgery, Prague, Czech Republic, 12-17 October 2014

Low-grade gliomas in motor-eloquent brain areas. Management and outcome.
Markogiannakis G, Zisakis AK, Hadjigeorgiou GF, Petrosyan T, Panteli A, Varsos V
EANS Annual Meeting, Tel Aviv, Israel, 11-14 November 2013

Non-functioning pituitary macroadenomas: a 5-year metanalysis of our clinic.
Varsos V, Hadjigeorgiou GF, Markogiannakis G, Zisakis AK, Panteli A, Petrosyan ,T, Karagiannis A, Vryonidou A
EANS Annual Meeting, Tel Aviv, Israel, 11-14 November 2013

Angiogram-negative subarachnoid hemorrhage: is a repeat digital subtraction angiography necessary?
Hadjigeorgiou GF, Petrosyan T, Markogiannakis G, Zisakis A, Karakalos S, Hadjigeorgiou FG, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Reduction of infections after using silver-bearing external ventricular catheters: A retrospective study.
Hadjigeorgiou GF, Zisakis A, Markogiannakis G, Petrosyan T, Psilovassilopoulos G, Hadjigeorgiou FG, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Langerhans cell histiocytosis presenting as an atypical extradural thoracic spine mass in a young adult. Diagnostic and therapeutic approach.
Markogiannakis G, Zisakis A, Hadjigeorgiou GF, Petrosyan T, Psilovassilopoulos G, Karakalos S, Panteli A, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Primary sarcomas of the spine. A 5-year retrospective analysis.
Hadjigeorgiou GF, Zisakis A, Markogiannakis G, Petrosyan T, Mylonakis I, Panteli A, Hadjigeorgiou FG, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Massive recurrent intraventricular hemorrhage without vascular abnormality treated with alteplase. A case report.
Anagnostopoulos C, Hadjigeorgiou GF, Petsanas A, Tselioti P, Grammatikopoulou V, Prekates A, Sakellaridis N
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Isolated traumatic intraventricular hemorrhage in adults: report of a case.
Hadjigeorgiou GF, Markogiannakis G, Petrosyan T, Zisakis A, Panteli A, Kelesis C, Hadjigeorgiou FG, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Genetic studies and traumatic brain injury: An up-to-date review.
Hadjigeorgiou GF, Dardiotis E, Hadjigeorgiou GM, Fountas K, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Terson syndrome: a prospective analysis of 45 patients.
Hadjigeorgiou GF, Markogiannakis G, Zisakis A, Petrosyan T, Kelesis C, Hadjigeorgiou FG, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Epidural cavernous hemangioma of the spinal cord. A case report and review of the literature.
Petrosyan T, Zisakis A, Markogiannakis G, Hadjigeorgiou GF, Mylonakis I, Kelesis C, Panteli A, Varsos V
1st Congress of Southeast European Neurosurgical Society (SEENS), 31 October- 2 November 2013, Belgrade, Serbia

Programmable versus nonprogrammable cerebrospinal fluid shunt: a 5-year retrospective study of our department.
G. Hadjigeorgiou, A. Zisakis, C. Kelesis, S. Karakalos, V. Varsos
The 5th Meeting of the International Society for Hyfrocephalus and CSF Disorders, 29 June-2 July 2013, Athens, Greece

Ependymomas of the 4th ventricle. A 15-year experience and follow-up.
A. Zisakis, A. Panteli, G. Markogiannakis, G. Hadjigeorgiou, T. Petrosyan, S. Lyra, F. Hatzigeorgiou, G. Arealis, V. Varsos
British Neurooncology Society (BNOS) Spring Meeting, 27-29 June 2012, Manchester, UK

Brain haemangioblastomas. Strategies in management. A 20 years experience at our department.
A. Zisakis, A. Panteli, G. Markogiannakis, G. Hadjigeorgiou, T. Petrosyan, S. Lyra, F. Hatzigeorgiou, G. Arealis, V. Varsos
British Neurooncology Society (BNOS) Spring Meeting, 27-29 June 2012, Manchester, UK

Delayed subdural hematoma following normal tomography scan in a patient on anticoagulation: a case report.
G. Hadjigeorgiou, C. Anagnostopoulos, C.Chamilos, A. Dafniotidis, A. Petsanas, G. Vranos, G. Alexopoulos
The Ninth World Congress on Brain Injury, 21-25 March 2012, Edinburgh, Scotland

Acute subdural hematoma with rapid spontaneous resolution in a patient with chronic alcoholism: a case report.
G. Hadjigeorgiou, C. Anagnostopoulos, C.Chamilos, A. Dafniotidis, A. Petsanas, G. Vranos, G. Alexopoulos
The Ninth World Congress on Brain Injury, 21-25 March 2012, Edinburgh, Scotland

Reversible sinking skin flap syndrome after decompressive craniectomy.
C.Chamilos, C. Anagnostopoulos, G. Hadjigeorgiou, A. Dafniotidis, A. Petsanas, G. Vranos, P. Spyridakis
The Ninth World Congress on Brain Injury, 21-25 March 2012, Edinburgh, Scotland

Massive traumatic hematoma of the corpus callosum: a case report.
C.Chamilos, G. Hadjigeorgiou, C. Anagnostopoulos, A. Dafniotidis, A. Petsanas, G. Vranos, P. Spyridakis
The Ninth World Congress on Brain Injury, 21-25 March 2012, Edinburgh, Scotland

Solitary brain metastasis eleven years after diagnosis of a renal carcinoma.
C.Chamilos, G. Hadjigeorgiou, G. Vranos, A. Petsanas, P. Spyridakis
14th Congress of European Association of Neurosurgical Societies (EANS), 9-14 October 2011, Rome, Italy

Posterior Communicating Artery Ruptured Aneurysm Presented Only With Intraventricular Hemorrhage.
C.Chamilos, G. Hadjigeorgiou, G. Vranos, A. Petsanas, P. Spyridakis
14th Congress of European Association of Neurosurgical Societies (EANS), 9-14 October 2011, Rome, Italy

Traumatic Pneumorrachis: a rare enity of trauma. A case report and literature review.
G. Hadjigeorgiou, C.Chamilos, G. Vranos, A. Petsanas, P. Spyridakis
14th Congress of European Association of Neurosurgical Societies (EANS), 9-14 October 2011, Rome, Italy

Reoperation combining re-cytoreductive surgery (RCRS) and re-HIPEC for peritoneal carcinomatosis reccurence.
Spiliotis J; Vaxevanidou A; Halkia E; Hadjigeorgiou G; Datsis A
7th International Workshop on Peritoneal Surface Malignancy, 8-10 September 2010, Uppsala, Sweden

Effect of recombinant growth hormone (rhGH) treatment on the renal tubular reabsorption of calcium, phosphorus and magnesium in children with growth hormone deficiency.
D. Karakaidos; G. Triantafyllidis; G. Kafalidis; G. Hadjigeorgiou; C. Karis; M. Poulos
45th Annual Meeting of the European Society for Paediatric Endocrinology (ESPE), Rotterdam, Netherlands, June 30-July 3, 2006.

The effect of recombinant human growth hormone therapy on cholesterol, lipoprotein A (LP(A)) and apolipoprotein A and B levels of growth hormone deficient children.
D. Karakaidos; G. Triantafyllidis; N. Kouskounelou; G. Hadjigeorgiou; G. Liakos
European Academy of Paediatrics, Barcelona, Spain, October 7-10, 2006.

Multiple endocrine disturbances in a 15-year old girl with intranial tuberculomas.
G. Triantafyllidis; D. Karakaidos; P. Zosi; G. Hatzigeorgiou; G. Kafalidis; C. Theodoridis; C. Karis
23rd Joint Meeting of the British Endocrine Societies with the European Federetion of Endocrine Societies, 22-24 March 2004, Brighton, UK

ORAL PRESENTATIONS – POSTERS (Greek Congresses)

Neuroanatomy of ischemic brain injury.
Hadjigeorgiou GF (invited speaker)
4th Hellenic Congress of the Cardiopulmonary Resuscitation Society, Athens, 5-6 October 2018

Secondary facial pain due to rhino-occular neuralgia.
Mylonakis I, Drilli A, Psilovassilopoulos G, Markogiannakis G, Hadjigeorgiou GF, Kelesis C, Arealis G, Hadjigeorgiou F, Varsos V
4th Congress of Recent Advances in Neurology, Thessaloniki, 20-22 October 2016

Vestibular disorder as the primary symptom for Chiari Type I.
Psilovassilopoulos G, Drilli A, Mylonakis I, Markogiannakis G, Hadjigeorgiou GF, Kelesis C, Arealis G, Hadjigeorgiou F, Varsos V
26h Military Congress, Thessaloniki, 3-5 November 2016

Lateral cervical swelling after ACDF surgery for cervical myelopathy: report of a case.
Drilli A, Hadjigeorgiou G, Kelesis C, Arealis G, Hadjigeorgiou F
18th Hellenic ENT Congress, Patra, 15-18 October 2015

Microcytic Glioblastoma: report of a case and review of the literature.
Diamantopoulou K, Samaras V, Leutheriotis V, Dimitriou K, Kostopoulos C, Tsiakalou E, Hadjigeorgiou G
14th Hellenic Congress of Anatomical Pathology, Athens, 18-21 June 2014

Treatment of intracranial aneurysms using flow-diverter devices: a single center 1-year experience.
Hadjigeorgiou G, Markogiannakis G, Psilovassilopoulos G, Arhontakis E, Varsos V
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

Endovascular treatment of dural fistulas: a single center experience.
Markogiannakis G, Hadjigeorgiou G, Mylonakis I, Arhontakis E, Varsos V
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

The need of creation a national database of hydrocephalus.
Tasiou A, Hadjigeorgiou G, Zogopoulos P, Chrisikopoulos C
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

Outcome of aneurysmatic subarachnoid hemorrhage in the young population: a 3-year experience of our department.
Hadjigeorgiou G, Markogiannakis G, Mylonakis I, Psilovassilopoulos G, Varsos V
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

Tumefactive multiple sclerosis: a differential diagnosis problem.
Hadjigeorgiou G, Markogiannakis G, Mylonakis I, Psilovassilopoulos G, Varsos V
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

Aspergillosis of the sphenoid sinus: report of a case.
Markogiannakis G, Hadjigeorgiou G, Mylonakis I, Psilovassilopoulos G, Varsos V
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

Foot-drop due to a parasagittal meningioma: report of a case.
Hadjigeorgiou G, Petsanas A, Dafniotidis A, Vranos G, Spyridakis F
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

Non-teratoid embryonic tumor of the cerebellum: report of a case.
Hadjigeorgiou G, Petsanas A, Dafniotidis A, Alexopoulos G, Spyridakis F
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

Gliomas of the septum pellucidum: report of a case and review of the surgical approaches.
Hadjigeorgiou G, Petsanas A, Dafniotidis A, Tzikas I, Spyridakis F
28th Hellenic Neurosurgical Congress, Kavala, 18-20 June 2014

The usage of the thrombotic agent Eptifibatide during embolization of cerebral aneurysms.
Zisakis A, Archontakis E, Markogiannakis G, Hadjigeorgiou GF, Varsos V
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Surgical treatment of intradural extramedullary tumors of the spine. A 5-year retrospective study of our department.
Petrosyan T, Markogiannakis G, Zisakis A, Hadjigeorgiou GF, Varsos V
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Surgical treatment of primary and metastatic tumors of the spine. A retrospective study of our clinic.
Anagnostopoulos C, Hadjigeorgiou GF, Petsanas A, Vranos G, Alexopoulos G
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Genetic association studies in patients with traumatic brain injury.
Hadjigeorgiou GF, Dardiotis E, Hadjigeorgiou GM, Varsos V, Fountas K
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Conservative treatment of occipital condyle fractures: clinical and imaging characteristics.
Petsanas A, Anagnostopoulos C, Hadjigeorgiou GF, Vranos G, Spyridakis F
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Cavernous angiomas of the spine: review of the literature.
Markogiannakis G, Zisakis A, Petrosyan T, Hadjigeorgiou GF, Varsos V
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Traumatic chiasmatic neuropathy: report of a case.
Mylonakis I, Hadjigeorgiou GF, Zisakis AK, Markogiannakis G, Varsos V
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Primary angiosarcoma of the thoracic spine: report of a case.
Hadjigeorgiou GF, Petrosyan T, Zisakis A, Psilovassilopoulos G, Varsos V
27th Hellenic Neurosurgical Congress, Athens, 27-29 June 2013

Extracranial metastases of a meningioma. Report of a case.
Zisakis A, Markogiannakis G, Hadjigeorgiou G, Petrosyan T, Varsos V
26th Hellenic Neurosurgical Congress, Thessaloniki, 31 May-2 June 2012

Outcome of patients with fourth ventricle ependymomas.
Zisakis A, Hadjigeorgiou G, Panteli A, Petrosyan T, Varsos V
26th Hellenic Neurosurgical Congress, Thessaloniki, 31 May-2 June 2012

Haemangioblastomas of the brain: management and outcome.
Zisakis A, Markogiannakis G, Hadjigeorgiou G, Panteli A, Varsos V
26th Hellenic Neurosurgical Congress, Thessaloniki, 31 May-2 June 2012

Haemangioblastoma of the cerebellum in a patient with Von Hippel-Lindau disease. Report of a case and review of the literature.
Markogiannakis G, Hadjigeorgiou G, Petrosyan T, Zisakis A, Varsos V
26th Hellenic Neurosurgical Congress, Thessaloniki, 31 May-2 June 2012

Eosinophilic granuloma of the occipital bone in an adult. Report of a case.
Markogiannakis G, Hadjigeorgiou G, Zisakis A, Panteli A, Varsos V
26th Hellenic Neurosurgical Congress, Thessaloniki, 31 May-2 June 2012

Intracerebral hemorrhage in a patient with systemic erythematosus lupus: report of a case and literature review.
Hadjigeorgiou G, Markogiannakis G, Zisakis A, Panteli A, Varsos V
26th Hellenic Neurosurgical Congress, Thessaloniki, 31 May-2 June 2012

Low-grade myofibroblastic sarcoma of the thoracic spine: report of a rare case.
Hadjigeorgiou G, Zisakis A, Petrosyan T, Panteli A, Varsos V
26th Hellenic Neurosurgical Congress, Thessaloniki, 31 May-2 June 2012

Traumatic brain injury and administration of anticoagulation.
Linardoutsou E, Fioretos G, Gaitartzakis I, Chamilos C, Hadjigeorgiou G, Stratiotis G, Dafniotidis A, anagnostopoulos C, Chelioti E
Symposium of General Medicine, Loutraki 22-25 September 2011

The significance of early diagnosis of SAH for a General Practitioner.
Fioretos G, Gaitartzakis I, Linardoutsou E, Chamilos C, Hadjigeorgiou G, Dafniotidis A, Anagnostopoulos C, Stratiotis G, Chelioti E
Symposium of General Medicine, Loutraki 22-25 September 2011

The role of lacosamide in the treatment of refractory simple partial status epilepticus.
Hadjigeorgiou G, Chamilos C, Petsanas A, Vranos G, Spyridakis F
6th Hellenic Congress of Epilepsy, Thessaloniki, 24-26 June 2011

Chronic subdural hematomas and anticoagulation.
Chamilos C, Hadjigeorgiou G, Papanikolaou P, Fioretos G, Petsanas A, Tzikas I, Spyridakis F
25th Hellenic Neurosurgical Congress, Athens, 23-25 June 2011

HANDS-ON WORKSHOPS

Advanced FESS and Anterior Skull Base, University of Copenhagen, Denmark, 12-13 November 2015

Peripheral nerve cadaveric course, University of Copenhagen, Copenhagen, Denmark, 16-18 September 2015

Neurosurgical Approaches to the Cranial Compartments, Royal College of Surgeons, Edinburgh, Scotland, 18-20 November 2014

Microscopic and Endoscopic Approaches to the Skull Base, Strasbourg, France, 22 -24 January 2014

Neurosurgical Approaches to the Cranial Compartments, Royal College of Surgeons, Edinburgh, Scotland, 19-21 November 2013

Microscopic and Endoscopic Approaches to the Skull Base, Strasbourg, France, 23 -25 January 2013

EANS Advanced Cervical Spine CME Course, Leiden, Netherlands, November 15-18, 2011

2nd International Cadaveric Workshop in Neuroendoscopy, Athens, Greece, 10-11 September 201137th Week on

Basic Techniques of Microsurgery and Cerebral Revascularization, Ioannina, Greece, 15-21 April 2011

Advanced Trauma Life Support (ATLS), American College of Surgeons, Athens, Greece, 5-6 April 2010

2nd International Seminar of Interventional Therapeutic Neuroradiology, Athens, Greece, 7-10 May 2003

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