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A. Kalyvas · SciRah

Researcher profile · Semantic Scholar

A. Kalyvas

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A. Kalyvas — researcher profile on SciRah

h-index: 17
Works: 126
Citations: 1,216

Most-cited papers

A systematic review of surgical treatments of idiopathic intracranial hypertension (IIH)
A. Kalyvas, E. Neromyliotis, C. Koutsarnakis, Spyridon Komaitis +6 more
2020Neurosurgical review135 citations
Semantic Scholar
Deep brain stimulation of symptom-specific networks in Parkinson’s disease
N. Rajamani, Helen Friedrich, K. Butenko, T. Dembek +26 more
2024Nature Communications112 citations Open access
Semantic Scholar
Mapping the human middle longitudinal fasciculus through a focused anatomo-imaging study: shifting the paradigm of its segmentation and connectivity pattern
A. Kalyvas, C. Koutsarnakis, Spyridon Komaitis, E. Karavasilis +7 more
2019Brain Structure and Function40 citations
Semantic Scholar
Management of Giant Pituitary Adenomas: Role and Outcome of the Endoscopic Endonasal Surgical Approach.
Miguel Marigil Sanchez, C. Karekezi, J. Almeida, A. Kalyvas +3 more
2019Neurosurgery clinics of North America39 citations
Semantic Scholar
Dorsal component of the superior longitudinal fasciculus revisited: novel insights from a focused fiber dissection study.
Spyridon Komaitis, G. Skandalakis, A. Kalyvas, E. Drosos +7 more
2020Journal of Neurosurgery38 citations
Semantic Scholar
Multicenter Survival Analysis and Application of an Olfactory Neuroblastoma Staging Modification Incorporating Hyams Grade.
G. Choby, M. Geltzeiler, J. P. Almeida, P. Champagne +24 more
2023JAMA Otolaryngology - Head and Neck Surgery32 citations
Semantic Scholar
Current Results of Surgical Treatment of Craniopharyngiomas: The Impact of Endoscopic Endonasal Approaches.
J. Almeida, A. Kalyvas, Nilesh K. Mohan, Selfy Oswari +5 more
2020World Neurosurgery32 citations
Semantic Scholar
Establishing connectivity through microdissections of midbrain stimulation-related neural circuits
G. Skandalakis, C. Neudorfer, C. Payne, Evalina Bond +16 more
2024Brain : a journal of neurology18 citations Open access
Semantic Scholar
Dissecting the default mode network: direct structural evidence on the morphology and axonal connectivity of the fifth component of the cingulum bundle.
G. Skandalakis, Spyridon Komaitis, A. Kalyvas, E. Lani +11 more
2020Journal of Neurosurgery18 citations Open access
Semantic Scholar
White matter connections within the central sulcus subserving the somato-cognitive action network
G. Skandalakis, L. Viganò, C. Neudorfer, M. Rossi +23 more
2025Brain : a journal of neurology16 citations
Semantic Scholar
Artificial Intelligence in the Diagnosis and Treatment of Brain Gliomas
K. Evangelou, I. Kotsantis, A. Kalyvas, A. Kyriazoglou +6 more
2025Biomedicines15 citations Open access
Semantic Scholar
Radiographic predictors of occult intracranial involvement in olfactory neuroblastoma patients
M. Geltzeiler, G. Choby, Keven S. Y. Ji, Jess C. Mace +27 more
2023International Forum of Allergy and Rhinology15 citations
Semantic Scholar
The Importance of Long-Term Follow-up after Endoscopic Pituitary Surgery: Durability of Results and Tumor Recurrence
J. Almeida, R. Tabasinejad, A. Kalyvas, H. Takami +6 more
2020Skull Base15 citations
Semantic Scholar
Defining the relationship of the optic radiation to the roof and floor of the ventricular atrium: a focused microanatomical study.
C. Koutsarnakis, A. Kalyvas, Spyridon Komaitis, Faidon Liakos +3 more
2019Journal of Neurosurgery15 citations Open access
Semantic Scholar
The frontal longitudinal system as revealed through the fiber microdissection technique: structural evidence underpinning the direct connectivity of the prefrontal-premotor circuitry.
Spyridon Komaitis, A. Kalyvas, G. Skandalakis, E. Drosos +8 more
2020Journal of Neurosurgery13 citations
Semantic Scholar
The anatomy of the four streams of the prefrontal cortex. Preliminary evidence from a population based high definition tractography study
G. Skandalakis, Jessica V. Barrios-Martinez, S. F. Kazim, K. Rumalla +7 more
2023Frontiers in Neuroanatomy11 citations Open access
Semantic Scholar
Multiplicity does not significantly affect outcomes in brain metastasis patients treated with surgery
Kai-Yun Yang, Enrique Gutierrez-Valencia, Alexander P. Landry, A. Kalyvas +11 more
2022Neuro-Oncology Advances11 citations Open access
Semantic Scholar
Defining the limits and indications of the Draf III endoscopic approach to the lateral frontal sinus and maximizing visualization and maneuverability: a cadaveric and radiological study
E. Papatsoutsos, A. Kalyvas, E. Drosos, E. Neromyliotis +5 more
2022European Archives of Oto-Rhino-Laryngology11 citations Open access
Semantic Scholar
LITTing up Gliomas—Is the Future Bright?
P. O'Halloran, Jack Henry, Michael Amoo, A. Kalyvas +4 more
2022World Neurosurgery: X11 citations Open access
Semantic Scholar
Endoscopic treatment of sellar arachnoid cysts via a simple cyst-opening technique: Long-term outcomes from a single center.
A. Kalyvas, M. Milesi, Matheus Silva Leite, Kai-Yun Yang +6 more
2022World Neurosurgery11 citations
Semantic Scholar
Diagnostic, Therapeutic, and Prognostic Applications of Artificial Intelligence (AI) in the Clinical Management of Brain Metastases (BMs)
Kyriacos Evangelou, Panagiotis Zemperligkos, Anastasios A. Politis, E. Lani +6 more
2025Brain Science10 citations Open access
Semantic Scholar
Recurrence morbidity of olfactory neuroblastoma
Katie L. Melder, Jess C. Mace, G. Choby, Joao Paulo Almeida +23 more
2023International Forum of Allergy and Rhinology9 citations
Semantic Scholar
The topography of the frontal terminations of the uncinate fasciculus revisited through focused fiber dissections: Shedding light on a current controversy and introducing the insular apex as a key anatomo-clinical area.
Faidon Liakos, Spyridon Komaitis, E. Drosos, E. Neromyliotis +6 more
2021World Neurosurgery9 citations
Semantic Scholar
Preoperative neurocognitive function as an independent survival prognostic marker in primary glioblastoma
E. Liouta, C. Koutsarnakis, Spyridon Komaitis, A. Kalyvas +6 more
2023Neuro-Oncology Practice8 citations Open access
Semantic Scholar
Endoscopic Treatment of Rathke’s Cleft Cysts: The Case for Simple Fenestration
M. Millesi, Carolyn Lai, Ruth Lau, V. Ye +8 more
2022Brain Science8 citations Open access
Semantic Scholar
Factors Correlating with Survival Following Adjuvant or Definitive Radiosurgery for Large Brain Metastases.
Enrique Gutierrez-Valencia, A. Kalyvas, C. Villafuerte, B. Millar +8 more
2022Neuro-Oncology8 citations Open access
Semantic Scholar
Recent trends (2010-2018) in traumatic brain injury in Greece: Results on 2042 patients.
G. Stranjalis, Spyridon Komaitis, A. Kalyvas, E. Drosos +3 more
2020Injury8 citations
Semantic Scholar
Neuropsychological outcomes comparing traditional surgical approaches and laser interstitial thermal therapy for refractory mesial temporal lobe epilepsy: A systematic review and meta‐analysis
Konstantina Stavrogianni, Katerina Poprelka, T. Fasilis, Vasileios Giannopapas +10 more
2025Epilepsia7 citations Open access
Semantic Scholar
Pachymeningeal disease: a systematic review and metanalysis
Enrique Gutierrez-Valencia, Irving Sánchez, Adrián Valles, O. Díaz +16 more
2023Journal of Neuro-Oncology7 citations
Semantic Scholar
A stepwise laboratory manual for the dissection and illustration of limbic and paralimbic structures: lessons learned from the Klingler’s technique
Spyridon Komaitis, G. Stranjalis, Theodosis Kalamatianos, E. Drosos +6 more
2022Surgical and Radiologic Anatomy7 citations
Semantic Scholar
Spinal Atypical rhabdoid teratoid tumor in an adult woman. A rare case report and review of the literature.
E. Neromyliotis, A. Kalyvas, E. Drosos, Spyridon Komaitis +4 more
2019World Neurosurgery7 citations
Semantic Scholar
Author Correction: Deep brain stimulation of symptom-specific networks in Parkinson’s disease
N. Rajamani, Helen Friedrich, K. Butenko, T. Dembek +26 more
2024Nature Communications6 citations Open access
Semantic Scholar
Anatomical and surgical characteristics correlate with pachymeningeal failure in patients with brain metastases after neurosurgical resection and adjuvant stereotactic radiosurgery
A. Kalyvas, Enrique Gutierrez-Valencia, Ruth Lau, X. Ye +11 more
2023Journal of Neuro-Oncology6 citations Open access
Semantic Scholar
Association between preoperative neurocognitive status and IDH1 mutation status in high-grade gliomas
E. Liouta, A. Kalyvas, Spyridon Komaitis, E. Drosos +7 more
2022Neuro-Oncology Practice6 citations Open access
Semantic Scholar
Direct comparison between the Kawase's approach and the retrosigmoid intradural suprameatal (RISA) corridor to access the petroclival region using CT quantitative volumetric analysis. A cadaveric study.
P. Stavrinou, E. Drosos, Spyridon Komaitis, G. Skandalakis +6 more
2022World Neurosurgery6 citations
Semantic Scholar
Multi‐Institutional Comparison of Quality of Life Between Open Versus Endoscopic Skull Base Approaches
J. D. de Almeida, Katrina Hueniken, Michael Xie, Eric Monteiro +13 more
2025Laryngoscope Investigative Otolaryngology5 citations Open access
Semantic Scholar
Effectiveness of pharmacologic interventions for prevention of cerebral hyperperfusion syndrome following bypass surgery
G. Skandalakis, A. Kalyvas, E. Lani, Spyridon Komaitis +7 more
2022Brain Circulation5 citations Open access
Semantic Scholar
Endoscopic extra-capsular resection of a giant pituitary adenoma: how I do it
A. Kalyvas, M. Millesi, F. Gentili
2021Acta Neurochirurgica5 citations
Semantic Scholar
Pneumomediastinum as a Complication of Oral and Maxillofacial Injuries: Report of 3 Cases and a 50-Year Systematic Review of Case Reports
I. Papadiochos, Stavros-Evangelos Sarivalasis, Meg Chen, L. Goutzanis +1 more
2021Craniomaxillofacial Trauma & Reconstruction5 citations Open access
Semantic Scholar
Survival outcomes and clinical characteristics of brain metastases from prostate cancer: A single-center analysis
K. Jamora, A. V. Nicanor, A. Erjan, M. Barcelona +16 more
2025Neuro-Oncology Advances4 citations Open access
Semantic Scholar
Surgical Resection Followed by Stereotactic Radiosurgery (S+SRS) Versus SRS Alone for Large Posterior Fossa Brain Metastases: A Comparative Analysis of Outcomes and Factors Guiding Treatment Modality Selection
Ruth Lau, Enrique Gutierrez-Valencia, Anna T. Santiago, Carolyn Lai +10 more
2024Brain Science4 citations Open access
Semantic Scholar
Investigation of neurophysiologic and functional connectivity changes following glioma resection using magnetoencephalography
N. Samuel, Irene E. Harmsen, M. Ding, C. Sarica +12 more
2023Neuro-Oncology Advances4 citations Open access
Semantic Scholar
Endoscopic Endonasal Surgery for Prolactinomas: Prognostic Factors for Disease Control and Management of Persistent Disease
A. Kalyvas, J. Almeida, F. Nassiri, P. O'Halloran +10 more
202231st Annual Meeting North American Skull Base Society4 citations
Semantic Scholar
Deciphering the frontostriatal circuitry through the fiber dissection technique: direct structural evidence on the morphology and axonal connectivity of the fronto-caudate tract.
Spyridon Komaitis, C. Koutsarnakis, E. Lani, Theodosis Kalamatianos +6 more
2021Journal of Neurosurgery4 citations Open access
Semantic Scholar
Rate of pachymeningeal failure following adjuvant WBRT vs SRS in patients with brain metastases
Enrique Gutierrez-Valencia, A. Kalyvas, K. Jamora, Kai-Yun Yang +12 more
2024Clinical and Translational Radiation Oncology3 citations Open access
Semantic Scholar
Unveiling the axonal connectivity between the precuneus and temporal pole: Structural evidence from the cingulum pathways
G. Skandalakis, Wendy Linn, Fang-Cheng Yeh, S. F. Kazim +12 more
2024Human Brain Mapping3 citations Open access
Semantic Scholar
Pituitary neuroendocrine tumors treated with stereotactic radiosurgery
Inhwa Kim, Michael Yan, Michel Sourour, R. Heaton +10 more
2024Journal of Neuro-Oncology3 citations Open access
Semantic Scholar
Adult isocitrate dehydrogenase–mutant brainstem glioma: illustrative case
V. Ye, Alexander P. Landry, T. Purzner, A. Kalyvas +4 more
2021Journal of Neurosurgery: Case Lessons3 citations Open access
Semantic Scholar
Neoadjuvant Stereotactic Radiosurgery for Large Brain Metastases: An International, Multicenter, Single-Arm Phase II Trial.
Randa Higazy, Dianna Li, R. Lau, B. Millar +14 more
2025Neurosurgery2 citations
Semantic Scholar
Identification of a T2-hyperintense Perivascular Space in Brain Arteriovenous Malformations
T. Wälchli, K. Bhatia, W. Guest, Jeroen Bisschop +10 more
2024In Vivo2 citations
Semantic Scholar

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G. Stranjalis×21
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