Marios Theologou

ORCID: 0000-0002-6580-5382
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About
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Research Areas
  • Cerebrospinal fluid and hydrocephalus
  • Fetal and Pediatric Neurological Disorders
  • Cervical and Thoracic Myelopathy
  • Spinal Dysraphism and Malformations
  • Spine and Intervertebral Disc Pathology
  • Head and Neck Surgical Oncology
  • Meningioma and schwannoma management
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Neurofibromatosis and Schwannoma Cases
  • Aortic aneurysm repair treatments
  • Spinal Fractures and Fixation Techniques
  • Aortic Disease and Treatment Approaches
  • Infectious Aortic and Vascular Conditions
  • Metabolism and Genetic Disorders
  • Traumatic Brain Injury Research
  • Chromatin Remodeling and Cancer
  • History of Medicine Studies
  • Spinal Hematomas and Complications
  • Tumors and Oncological Cases
  • Sarcoma Diagnosis and Treatment
  • Epilepsy research and treatment
  • Cardiac tumors and thrombi
  • Medical Imaging and Pathology Studies
  • Pelvic and Acetabular Injuries
  • Balkan and Eastern European Studies

Ippokrateio General Hospital of Thessaloniki
2016-2024

Aristotle University of Thessaloniki
2017-2024

Hippocration General Hospital
2021

Euromedica
2016-2017

Centar za Promociju Nauke
2015

Pedicle screw instrumentation is widely used for spinal stabilization. However, the accuracy free-hand placement ranges from 69% to 94%. This study assesses value of existing classification systems, and investigates their impact on ability assess placement.Data were collected retrospectively medical records 34 patients who received 224 pedicle screws placed utilizing a technique. Screw was evaluated employing 2-mm increment Zdichavsky et al. systems. Kappa coefficient Landis Koch...

10.4103/sni.sni_85_17 article EN Surgical Neurology International 2017-01-01

Background: Endoscopic third ventriculostomy (ETV) is an effective treatment for hydrocephalus. The in-depth understanding of microanatomy essential accurate diagnosis, and complications prevention. aim this study to supplement the knowledge gap regarding microanatomical metrics correlations which literature includes only scarce mentions at best. Methods: This a descriptive including 25 cadaver brains. Specimens from donors with neurological, psychiatric disorders or alcohol abuse were...

10.3390/brainsci13040580 article EN cc-by Brain Sciences 2023-03-29

<b><i>Introduction:</i></b> Central nervous system atypical teratoid rhabdoid tumors (ATRTs) are aggressive lesions usually presenting during the first 3 years of life. These have a dismal prognosis with most patients dying within 1 year from presentation. Primary spinal location in infants is very rare. <b><i>Case Presentation:</i></b> We report case 4-month-old boy who presented history hypotonia, poor head control, and gradually reduced...

10.1159/000511423 article EN Pediatric Neurosurgery 2020-01-01

The endovascular management of juxtarenal aortic aneurysms with the chimney technique (ch-EVAR) has gained popularity in recent years. It provides an alternative to open repair, allowing treatment challenging anatomies devices readily available any vascular suite. primary drawback persists as occurrence type-Ia endoleak from gutters and renal stent thrombosis. We present two cases early graft thrombosis following aneurysm repair. first patient was 80-year-old man who underwent single ch-EVAR...

10.7759/cureus.54669 article EN Cureus 2024-02-22

Anterior cervical discectomy with fusion (ACDF) is a proven method for the treatment of selected patients. The necessity use an anterior plate controversial. article aims to assess rates (FRs) and long-term outcomes following three-level ACDF.Data were collected from medical records patients operated on due degenerative disease. All treated ACDF employing polyether ether-ketone cages without plating. Visual analog scale (VAS), neck disability index (NDI), plain radiographs used in clinical...

10.4103/ajns.ajns_196_19 article EN cc-by-nc-nd Asian Journal of Neurosurgery 2020-09-01

Cervical spondylotic myelopathy is a complex syndrome evolving in the presence of degenerative changes. The choice care and prognostic factors are controversial. use appropriate surgical technique very important. Posterior approach may be chosen when pathology present dorsally and/or neutral to lordotic alignment. Anterior golden standard patients with kyphosis stenosis due ventral lesions, even three or more affected levels. A 67-year-old man presented progressive weakness clumsiness (mJOA:...

10.1093/jscr/rjw202 article EN cc-by-nc Journal of Surgical Case Reports 2016-11-01

Introduction Twenty to forty percent of patients with epilepsy continue have disabling seizures after surgical treatment temporal lobe (TLE), and the percentage is higher in extratemporal cases. In our series, TLE most common type requiring almost 90% patients, while remaining 10% are epilepsy.

10.1055/s-0035-1566353 article EN Journal of Neurological Surgery Part A Central European Neurosurgery 2015-10-19

Introduction Intracranial arachnoid cysts are congenital malformations presenting with collection of cerebrospinal fluid formed by the splitting or duplication membrane. When located in middle cranial fossa, bone modeling process can result thinning and bulging adjacent bone.

10.1055/s-0035-1566387 article EN Journal of Neurological Surgery Part A Central European Neurosurgery 2015-10-19

Backgroud: Dandy-Walker malformation is a rare congenital condition characterized by alteration of posterior fossa anatomy. Hydrocephalus common finding in these patients. VP-shunt placement remains the treatment choice. Endoscopic Third Ventriculostomy (ETV) an acceptable alternative for older children. Other techniques have also been proposed. Case presentation: A full-term infant presented with signs hydrocephalus. An endoscopic foraminoplasty cyst was conducted as first stage. The cyst’s...

10.31157/an.v1iinpress.628 article EN cc-by-nc Deleted Journal 2023-06-22

Background: Intracranial schwannomas are benign lesions, expected to exhibit characteristic ultrastructural features and immunophenotypic profile, typically being S-100, SOX10 collagen-IV positive, while other markers, including CD34, not usually expressed employed in the diagnostic elimination process. Case presentation: A 51-year-old female presented with a rapidly deteriorating neurological status. MRI showed heterogeneous enhancing neoplasm of anterior fossa. Preoperative differential...

10.31157/an.v1iinpress.474 article EN cc-by-nc Deleted Journal 2023-06-19

Background: Intracranial schwannomas are benign lesions, expected to exhibit characteristic ultrastructural features and immunophenotypic profile, typically being S-100, SOX10 collagen-IV positive, while other markers, including CD34, not usually expressed employed in the diagnostic elimination process.
 Case presentation: A 51-year-old female presented with a rapidly deteriorating neurological status. MRI showed heterogeneous enhancing neoplasm of anterior fossa. Preoperative...

10.31157/an.v29i1.474 article EN cc-by-nc Deleted Journal 2023-06-19

Backgroud: Dandy-Walker malformation is a rare congenital condition characterized by alteration of posterior fossa anatomy. Hydrocephalus common finding in these patients. VP-shunt placement remains the treatment choice. Endoscopic Third Ventriculostomy (ETV) an acceptable alternative for older children. Other techniques have also been proposed. Case presentation: A full-term infant presented with signs hydrocephalus. An endoscopic foraminoplasty cyst was conducted as first stage. The cyst’s...

10.31157/an.v29i2.628 article EN Deleted Journal 2023-06-22
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