E-ISSN: 1019-5157
ISSN: 2651-5024
Vol. 36, Issue 4 (2026)
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Systematic Review
Pages: 491-499
DOI: 10.5137/1019-5149.JTN.49362-25.2
AIM: Chronic subdural hematoma (cSDH) is a common neurosurgical condition in elderly patients, frequently associated with trauma, anticoagulant use, and chronic comorbidities. While surgical evacuation and now middle meningeal artery embolization remain the predominant treatment options, endoscopic-...
Original Investigation
Neuro-Oncology
Development and External Validation of a Nomogram for Predicting the Survival Outcomes of Patients with Ki-67 Positive Grade 4 Diffuse Gliomas
Pages: 500-508
DOI: 10.5137/1019-5149.JTN.47174-24.2
AIM: To establish a nomogram model of Ki-67-positive grade 4 diffuse gliomas that can predict the survival rate of patients and has certain guiding values that are useful in treatment. MATERIAL and METHODS: Data from 146 patients with Ki-67-positive grade 4 diffuse gliomas was retrospectively obtain...
Neuro-Oncology
Statistical Geometric Morphometric Shape Analysis of Ventricular Shape Changes in Giant Pituitary Adenomas Invading the Third Ventricle
Pages: 509-516
DOI: 10.5137/1019-5149.JTN.49331-25.2
AIM: To investigate the preoperative, early and late postoperative differences in the anterior callosal angle, lateral and third ventricle shapes of patients with pituitary macroadenoma operated via the transsphenoidal approach. MATERIAL and METHODS: Shape data of the third and lateral ventricles we...
Neuro-Oncology
Minimally Invasive Endoscopic Approach to Large Intraventricular Tumors
Pages: 517-523
DOI: 10.5137/1019-5149.JTN.49171-25.2
AIM: To analyze the safety and effectiveness of the minimally invasive endoscopic approach in the treatment of large intraventricular tumors. MATERIAL and METHODS: We retrospectively reviewed the demographic, radiological, and surgical data of 8 patients who were operated on using the endoscope-plus...
Neuro-Oncology
Gamma Knife Radiosurgery for Brain Metastasis from Primary Thyroid Cancer
Pages: 524-530
DOI: 10.5137/1019-5149.JTN.49225-25.1
AIM: To analyze the efficacy and safety of Gamma Knife radiosurgery (GKRS) in the management of thyroid cancer brain metastases (TCBM). MATERIAL and METHODS: This retrospective study analyzed patients who underwent GKRS for TCBM at two centers between September 2005 and February 2025. Patients’ clin...
Spine and Peripheral Nerves
Posterior Atlantoaxial Fixation in a Single-Center Consecutive Series: Anatomy-Driven C2 Anchorage Selection
Pages: 531-541
DOI: 10.5137/1019-5149.JTN.51604-26.3
AIM: To present a single-center experience with posterior C1–C2 fixation for atlantoaxial instability, emphasizing an anatomy-driven approach to C2 anchorage selection, construct strategy, complications, and clinical outcomes. MATERIAL and METHODS: We retrospectively reviewed 45 patients who underwe...
Spine and Peripheral Nerves
Pro-Con Debate for Thenar Tissue Oxygenation in Prone Position during Lumbar Discectomy
Pages: 542-547
DOI: 10.5137/1019-5149.JTN.49462-25.2
AIM: To compare the regional tissue oxygen saturation under general, spinal, and epidural anesthesias during the posterior lumbar discectomy procedures performed in the prone position. MATERIAL and METHODS: A total of 90 patients with an American Society of Anesthesiologists score I-III were evaluat...
Pediatrics
Effects of Sodium Nitrite on Neural Tube Development in Early-Stage Chick Embryos
Pages: 548-552
DOI: 10.5137/1019-5149.JTN.49993-25.2
AIM: To investigate the effects of sodium nitrite on spinal cord development in early-stage chick embryos. MATERIAL and METHODS: Sixty specific-pathogen-free fertile Leghorn-type eggs at Day 0 of incubation were used. Group 1 (control) received saline, Group 2 (low-dose) was administered 0.0042 mg o...
Pediatrics
Early and Effective Surgical Treatment of Ossified Cephalohematoma Using a Simple Technique
Pages: 553-560
DOI: 10.5137/1019-5149.JTN.49815-25.2
AIM: To retrospectively analyze infants treated with early surgical management using the simple excision technique and discusses the outcomes in light of the existing literature. MATERIAL and METHODS: Ten infants with OCH who underwent surgery were included in this study. The following parameters we...
Neurotrauma
Nomogram-Based Independent Risk Factor Analysis and Recurrence Prediction for Chronic Subdural Hematoma After Single Burr Hole Drainage
Pages: 561-572
DOI: 10.5137/1019-5149.JTN.48881-25.3
AIM: To identify independent risk factors and propose a predictor scoring system in chronic subdural hematoma (CSDH). MATERIAL and METHODS: Through retrospective analysis, we analyzed the data from 279 patients with CSDH from 2010 to 2020. Independent risk factors for recurrence were identified thro...
Neurotrauma
Determination of Optic Nerve Sheath Diameter Cut-off after CSF Drainage in Adults with Elevated ICP: A Prospective Study
Pages: 573-580
DOI: 10.5137/1019-5149.JTN.49051-25.4
AIM: To evaluate the relationship between optic nerve sheath diameter (ONSD) and intracranial pressure (ICP) in patients with acute ICP elevation controlled through external ventricular drainage (EVD). MATERIAL and METHODS: In this prospective observational study, simultaneous measurements of right ...
General Neurosurgery and Miscellaneous-Others
Results of a Long-Term Follow-Up on the Dry-Field Maneuver Application in Hemorrhage Control During Neuroendoscopic Procedures
Pages: 581-586
DOI: 10.5137/1019-5149.JTN.49075-25.4
AIM: To present the long-term follow-up results of dry-field maneuver in neuroendoscopy. MATERIAL and METHODS: The dry-field maneuver has been used in our clinic since 2012, leading to a retrospective review of patients undergoing neuroendoscopic procedures from 2012 to 2024. RESULTS: The dry-field ...
General Neurosurgery and Miscellaneous-Others
Diffusion Tensor Imaging Metrics Reveal Pronounced Hemispheric Asymmetry in Major White Matter Tracts
Pages: 587-607
DOI: 10.5137/1019-5149.JTN.50630-26.5
AIM: To determine hemispheric asymmetries in major white matter tracts using diffusion tensor imaging (DTI) metrics and morphometric measurements, as comprehensive multitract analyses remain limited. MATERIAL and METHODS: Diffusion MRI data from 102 healthy adults enrolled in the Human Connectome Pr...
Case Report
Pages: 608-614
DOI: 10.5137/1019-5149.JTN.49391-25.2
Rapid formation and recurrence of aneurysms accompanied by severe arterial stenosis following radiation therapy (RT) for nasopharyngeal carcinoma (NPC) is an uncommon clinical phenomenon. We present the case of a 51-year-old man who developed subarachnoid hemorrhage years after undergoing RT for NPC...
Pages: 615-619
DOI: 10.5137/1019-5149.JTN.49203-25.4
Using intravenous contrast, photon-counting computed tomography angiography (PCCT-A) provides detailed images of intracranial vessels. We report a case in which PCCT-A revealed a 1.5 mm aneurysm at the bifurcation of the middle cerebral artery that was not seen on magnetic resonance angiography. Thi...
Pages: 620-623
DOI: 10.5137/1019-5149.JTN.49629-25.2
Stereotactic radiosurgery (SRS) is an established treatment for vestibular schwannoma, offering high tumor control rates and a favorable safety profile. SRS-induced facial palsy is typically a late-onset complication, with acute-onset cases being exceedingly rare. We report the case of a 42-year-old...
Pages: 624-626
DOI: 10.5137/1019-5149.JTN.49696-25.2
Grynfeltt-Lesshaft hernia is a rare type of posterolateral abdominal wall hernia that may be either congenital or acquired. Only a few cases have been reported following surgical procedures. The risk of herniation increases after surgeries involving this region due to the weakening of the musculofas...
Letter to Editor
Pages: 627-628
DOI: 10.5137/1019-5149.JTN.50778-26.2