Brandon L. King, Andy A. Cannon, Sean M. Krahenbuhl, Errol Gordon, Tyler Auschwitz, M. Yashar S. Kalani
{"title":"Keyhole Mini-Pterional Craniotomy for Clipping of Bilateral Middle Cerebral Artery Aneurysms","authors":"Brandon L. King, Andy A. Cannon, Sean M. Krahenbuhl, Errol Gordon, Tyler Auschwitz, M. Yashar S. Kalani","doi":"10.1016/j.wneu.2025.123702","DOIUrl":"10.1016/j.wneu.2025.123702","url":null,"abstract":"<div><div>Middle cerebral artery aneurysms remain excellent candidates for microsurgical treatment, despite proliferation of new endovascular tools. Nonetheless, patients desire less invasive options for permanent, durable treatment of aneurysms<span><span><sup>1</sup></span></span>; this is particularly the case for patients presenting without subarachnoid hemorrhage and patients with multiple aneurysms that may require several surgical approaches. Keyhole craniotomies, when properly used in well-selected patients, allow for minimally invasive treatment of both ruptured and unruptured cerebral aneurysms, including bilateral aneurysms, which may be treated from a single approach.<span><span><sup>2</sup></span></span> Middle cerebral artery bifurcation aneurysms are ideal for application of the keyhole concept, as they are located at the depth from the skull under a direct, linear path of access; obtaining early proximal control of the inflow vessel can be accomplished with minimal further dissection at the depth of a narrow corridor; there are few perforators that require dissection; a properly placed craniotomy exposes the entire proximal sylvian fissure as well as the contralateral sylvian contents; sharp dissection of the sylvian fissure further expands the corridor, which can be illuminated with lighted instruments as needed; and conversion to a larger craniotomy can be easily performed is bailout is necessary. A relative contraindication of this approach is if both aneurysms are laterally projecting, although in experienced hands this remains only a relative contraindication. A possible potential complication that the surgeon should be prepared for beforehand is intraoperative rupture of the distal aneurysm, but as demonstrated in <span><span>Video 1</span></span>, it is critical that the surgeon obtain proximal and distal control of the most distal aneurysm as would be obtained from an ipsilateral approach. We demonstrate in <span><span>Video 1</span></span> the use of this approach for bilateral unruptured middle cerebral artery aneurysms, highlighting nuances for successful performance of this operation.</div></div>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":"195 ","pages":"Article 123702"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143047764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fan Yuan , Chenghua Yuan , Dingran Li , Pingchuan Xia , Jian Guan , Yueqi Du , Can Zhang , Zhenlei Liu , Kai Wang , Wanru Duan , Zuowei Wang , Xingwen Wang , Hao Wu , Zan Chen , Fengzeng Jian
{"title":"Effectiveness of Cerebellar Tonsillectomy Treatment for Revision Chiari Malformation Surgery: A Series of 63 Patients","authors":"Fan Yuan , Chenghua Yuan , Dingran Li , Pingchuan Xia , Jian Guan , Yueqi Du , Can Zhang , Zhenlei Liu , Kai Wang , Wanru Duan , Zuowei Wang , Xingwen Wang , Hao Wu , Zan Chen , Fengzeng Jian","doi":"10.1016/j.wneu.2025.123690","DOIUrl":"10.1016/j.wneu.2025.123690","url":null,"abstract":"<div><h3>Background</h3><div>Revision surgery for patients with persistent, recurrent, or progressive syringomyelia following Foramen Magnum Decompression for Chiari malformation with syringomyelia (CM-SM) is not uncommon and presents both strategic and technical challenges.</div></div><div><h3>Methods</h3><div>We conducted a retrospective study including all patients who underwent revision Cerebellar Tonsillectomy (CTL) for CM-SM between 2003 and 2023. Additionally, we performed univariate and multivariate analyses to identify possible factors contributing to failed CTL outcomes.</div></div><div><h3>Results</h3><div>Sixty-three consecutive patients (13 males; average age 45.86 ± 11.18 years) underwent surgical treatment for persistent (n = 29), progressive (n = 21), or recurrent (n = 13) syringomyelia, with an average interval of 65.57 ± 73.33 months (range: 3–480 months) between the two surgeries. Factors significantly associated with the effectiveness of the revision CTL included dural incision and tonsil manipulation during the first surgery, severe intradural adhesions during the revision CTL, and spinal cord atrophy before the revision CTL. Multivariate logistic regression revealed that dural incision (<em>P</em> = 0.031, odds ratio [OR] = 6.779, 95% confidence interval {CI} [1.187∼38.719]), tonsillar manipulation (<em>P</em> = 0.037, OR = 7.432, 95% CI [1.131∼48.835]), and severe intradural adhesions (<em>P</em> = 0.030, OR = 11.465, 95% CI [1.264∼103.967]) constituted risk factors significantly statistical associated with prognosis outcomes. Long-term follow-up (average 18.75 ± 6.86 months, range: 12–72 months) of revision CTL demonstrated clinical stabilization in 55.6% of cases for at least 1.5 years. The complication rate for revision CTL was 14.3% (n = 9).</div></div><div><h3>Conclusions</h3><div>Dural incision and tonsillar manipulation during the first surgery, spinal cord atrophy prior to revision CTL, and severe intradural adhesions during revision CTL are significant risk factors associated with poor prognosis in revision surgery for CM-SM.</div></div>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":"196 ","pages":"Article 123690"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bahie Ezzat, Yehia Elkersh, Roshini Kalagara, Priya Bhanot, Juhana Habib, Matthew T Carr, Alexander J Schüpper, Hanya M Qureshi, Eugene Hrabarchuk, Addison Quinones, Tanvir F Choudhri
{"title":"Single-Institution Retrospective Propensity Score-Matched Comparative Cost Analysis of Multilevel ACDF versus PCDF in Geriatric Patients with Cervical Disc Herniation.","authors":"Bahie Ezzat, Yehia Elkersh, Roshini Kalagara, Priya Bhanot, Juhana Habib, Matthew T Carr, Alexander J Schüpper, Hanya M Qureshi, Eugene Hrabarchuk, Addison Quinones, Tanvir F Choudhri","doi":"10.1016/j.wneu.2025.123798","DOIUrl":"https://doi.org/10.1016/j.wneu.2025.123798","url":null,"abstract":"<p><strong>Introduction: </strong>Despite the surge in Anterior Cervical Discectomy and Fusion (ACDF) and Posterior Cervical Decompression and Fusion (PCDF) procedures over the past two decades, there remains a paucity of data on their comparative costs in geriatric patients with cervical disc herniation. This study provides a comprehensive cost analysis of ACDF and PCDF in this patient population.</p><p><strong>Methods: </strong>A total of 282 geriatric patients who underwent ACDF or PCDF for cervical disc herniation over a 12-year period were analyzed to assess total surgical costs, including pre-operative, procedural, and post-operative expenses. ANOVA with post-hoc Tukey HSD Test was used in a propensity score-matched cohort to compare cost differences between ACDF and PCDF across various cost categories.</p><p><strong>Results: </strong>In a geriatric cohort of 282 patients with cervical disc herniation meeting inclusion criteria, 221 (78.4%) underwent ACDF and 61 (21.6%) received PCDF (2-4 levels). The average age was 71.3±5.6 years, with no significant demographic differences between groups. On ANOVA, rehabilitation costs were 1.88 times higher (p<0.001), and blood bank costs were 2.16 times higher (p=0.04) for PCDF patients, corresponding with significantly greater estimated blood loss (209.9±217.7 mL vs. 66.7±107.0 mL, p<0.001). After propensity score matching, PCDF remained associated with significantly higher rehabilitation costs (+170.79%, p<0.001), blood bank costs (+139.29%, p=0.005), and total procedural costs (+33.92%, p=0.015).</p><p><strong>Conclusion: </strong>ACDF procedures in geriatric patients with cervical disc herniation are significantly cheaper than PCDF in terms of rehabilitation and blood bank costs, offering valuable insights for optimizing neurosurgical decision-making and high-value care.</p>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":" ","pages":"123798"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"In Reply to the Letter to the Editor Regarding \"Radiologic Clue to Cavernous Sinus Hemangioma Diagnosis\".","authors":"Cristiano Esteves, David Berhanu, Carla Guerreiro","doi":"10.1016/j.wneu.2025.123813","DOIUrl":"https://doi.org/10.1016/j.wneu.2025.123813","url":null,"abstract":"","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":" ","pages":"123813"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lydia Larsson, Fredrik Vedung, Johan Virhammar, Elisabeth Ronne-Engström, Anders Lewén, Per Enblad, Teodor Svedung Wettervik
{"title":"Chronic, Shunt-Dependent Hydrocephalus in Aneurysmal Subarachnoid Hemorrhage: Incidence, Risk Factors, Clinical Phenotypes, and Outcome.","authors":"Lydia Larsson, Fredrik Vedung, Johan Virhammar, Elisabeth Ronne-Engström, Anders Lewén, Per Enblad, Teodor Svedung Wettervik","doi":"10.1016/j.wneu.2025.123806","DOIUrl":"https://doi.org/10.1016/j.wneu.2025.123806","url":null,"abstract":"<p><strong>Objective: </strong>The main aim was to determine the incidence, risk factors, clinical phenotypes, and response to shunt surgery in chronic, shunt-dependent hydrocephalus (SDHC) after aneurysmal subarachnoid hemorrhage (aSAH).</p><p><strong>Methods: </strong>In this observational, single-center study, 849 aSAH patients treated at Uppsala University Hospital, between 2008-2018, were included. Variables on demography, injury severity, treatments, chronic hydrocephalus presentation, and outcome were evaluated.</p><p><strong>Results: </strong>In total, 107 (13%) patients were treated with a shunt due to SDHC. In multivariate logistic regressions, risk factors for SDHC were worse neurological (WFNS) grade, larger ventricles (Evans' index) at admission, the need to insert an external ventricular drain (EVD), decompressive craniectomy, and complications with meningitis. Six different SDHC phenotypes were identified; impeded neurological recovery (55%), Hakim-Adams syndrome (17%), high-pressure symptoms (13%), failed EVD removal (8%), external brain herniation after decompressive craniectomy (DC; 6%), and subdural hygroma (1%). The former, three groups significantly improved in modified Rankin Scale (mRS) and 87-100% exhibited subjective symptomatic relief. There was no significant change in mRS for the latter three groups, but 60-100% experienced some subjective relief postoperatively.</p><p><strong>Conclusion: </strong>Chronic SDHC was a common complication after aSAH, particularly in patients with severe primary brain injury, acute hydrocephalus, and treatment-related factors. The condition presents with distinct clinical phenotypes, which may influence treatment response. Recognizing these phenotypes could aid in optimizing patient selection and expectations for shunt surgery outcomes.</p>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":" ","pages":"123806"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiangxuan Li , Yiming Qu , Liang Zhou , Yanjie Zhou , Bin Peng , Jizeren Duo
{"title":"Meta-Analysis of the Clinical Efficacy and Safety of Unilateral Biportal Endoscopic Lumbar Interbody Fusion versus Endoscopic Lumbar Interbody Fusion for the Treatment of Lumbar Degenerative Diseases","authors":"Xiangxuan Li , Yiming Qu , Liang Zhou , Yanjie Zhou , Bin Peng , Jizeren Duo","doi":"10.1016/j.wneu.2025.123662","DOIUrl":"10.1016/j.wneu.2025.123662","url":null,"abstract":"<div><h3>Objective</h3><div>To compare the efficacy and safety of unilateral biportal endoscopic lumbar interbody fusion (UBE-LIF) and endoscopic lumbar interbody fusion (Endo-LIF) in the treatment of lumbar degenerative diseases.</div></div><div><h3>Methods</h3><div>A thorough literature search was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and the PICO framework (PROSPERO 2024CRD42024592073). The databases searched included PubMed, Embase, Web of Science, Cochrane Library, China National Knowledge Infrastructure, and Wanfang Database, with a time frame of January 2020 to June 2024. Outcome metrics included operative time, rate of progress of surgical time for beginners, intraoperative bleeding, hidden blood loss, total blood loss (TBL), postoperative drainage, hospitalization time, visual analog score for pain, Oswestry Disability Index, complications, fusion rates, and modified MacNab score excellence rates.</div></div><div><h3>Results</h3><div>A total of 10 papers were included, including two that were randomized controlled trials. This study involved 710 patients, 348 in the UBE-LIF group and 362 in the Endo-LIF group. The results showed that the UBE-LIF group was superior to the Endo-LIF group in terms of operative time and rate of progress of surgical time for beginners. In contrast, the Endo-LIF group was superior to the UBE-LIF group in terms of hospitalization time, hidden blood loss, and TBL. There were no statistical differences between the two procedures regarding intraoperative bleeding, postoperative drainage, visual analog score for low back pain, Oswestry Disability Index, complications, fusion rates, and modified MacNab score excellence rates.</div></div><div><h3>Conclusions</h3><div>Postoperative pain and safety were comparable between the two endoscopic procedures.The UBE-LIF procedure was shorter, whereas the Endo-LIF had less TBL and a shorter recovery time.</div></div>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":"195 ","pages":"Article 123662"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142972359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Three Types of Side-to-Side Microvascular Anastomosis Training Models Using Rat Abdominal Vessels","authors":"Zongyu Xiao , Ji Wang","doi":"10.1016/j.wneu.2025.123726","DOIUrl":"10.1016/j.wneu.2025.123726","url":null,"abstract":"<div><h3>Background</h3><div>Side-to-side microvascular anastomosis is the most difficult type of anastomosis. The best way to master microvascular anastomosis technique is deliberate practice in the microsurgical laboratory.</div></div><div><h3>Methods</h3><div>Three types of side-to-side microvascular anastomosis using the rat abdominal vessels were presented. First, we present step-by-step technical details of common iliac artery (CIA)-CIA side-to-side microvascular anastomosis between 2 perfectly matched common iliac arteries via the in situ intraluminal suturing technique. Then, we present 2 arteriovenous side-to-side anastomosis training models using the same suturing technique: one with the CIA-common iliac vein (CIV) (CIA-CIV anastomosis) and the other with the abdominal aorta (AA) and inferior vena cava (IVC) (AA-IVC anastomosis). Diameters of CIA, CIV, AA, and IVC; the length of arteriotomy or venotomy; and the suturing time were recorded. The patency rates were evaluated immediately after the anastomosis was completed and 30 minutes later.</div></div><div><h3>Results</h3><div>In CIA-CIA side-to-side anastomosis, the bilateral CIAs were perfectly matched in terms of thickness, texture, and consistency. The vascular walls of the CIV and IVC were very thin, and they became transparent and collapsed after being cut open. A small-diameter thick-walled artery was anastomosed to a large-diameter, very thin, and fragile vein in the CIA-CIV and AA-IVC arteriovenous anastomoses. Three types of side-to-side anastomosis using the rat abdominal vessels were successfully performed; 100% patency rates were achieved immediately and 30 minutes postoperatively.</div></div><div><h3>Conclusions</h3><div>Three types of side-to-side microvascular anastomosis training models using abdominal vessels could be used to mimic different microvascular anastomotic situations.</div></div>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":"195 ","pages":"Article 123726"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143068293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
José Luis Acha Sánchez , Jhon E. Bocanegra-Becerra , Luis Contreras Montenegro , Adriana Bellido , Shamir Contreras , Oscar Santos
{"title":"Microsurgical Techniques for Paraclinoid Aneurysms: A Single-Center Series","authors":"José Luis Acha Sánchez , Jhon E. Bocanegra-Becerra , Luis Contreras Montenegro , Adriana Bellido , Shamir Contreras , Oscar Santos","doi":"10.1016/j.wneu.2025.123694","DOIUrl":"10.1016/j.wneu.2025.123694","url":null,"abstract":"<div><h3>Background</h3><div>Microsurgery for paraclinoid aneurysms remains the first line of treatment in resource-constrained settings. The authors describe their institutional experience and evaluate functional outcomes after microsurgical treatment of paraclinoid aneurysms.</div></div><div><h3>Methods</h3><div>A retrospective review of clinical records was conducted. Multivariable logistic regression assessed predictors of good functional outcomes (modified Rankin Scale score ≤ 2) at last follow-up.</div></div><div><h3>Results</h3><div>Fifty-six patients (80.4% female; mean age: 55.55 ± 11.27 years) with 58 paraclinoid aneurysms were analyzed. Most paraclinoid aneurysms were located in the ophthalmic segment (53.5%), presented in a ruptured state (56.9%), measured 10–25 mm (65.5%), and had a wide neck (median: 5.2 mm [interquartile range: 4.3–5.78]). The median time from symptom onset to intervention was five days (interquartile range: 3–10). About 51.8% of patients presented with visual deficits. Aneurysm repair involved clipping (87.5%) and clipping with bypass surgery (12.5%). Most cases were performed under a minipterional craniotomy (51.8%) with extradural anterior clinoidectomy (71.4%), carotid control (92.9%), fluorescence angiography (91.1%), and intraoperative Doppler (89.3%). The intraoperative aneurysm rupture rate was 7.1%.</div><div>An increasing Hunt and Hess score at presentation was associated with lower odds of good functional outcomes (odds ratio: 0.25, 95% confidence interval 0.03–0.745; <em>P</em> = 0.038). At the 6-month follow-up, 91.1% of patients had good outcomes and 72.4% had improved visual outcomes.</div></div><div><h3>Conclusions</h3><div>The present series showcases the valuable role of microsurgical treatment for patients with paraclinoid aneurysms. Despite the challenges posed by the poor grade of subarachnoid hemorrhage and delayed intervention, microsurgical techniques remain essential to optimizing functional outcomes and minimizing surgical morbidity.</div></div>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":"195 ","pages":"Article 123694"},"PeriodicalIF":1.9,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143012101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yu-Kai Kuo, Yen-Kuang Lin, Jie-Wei Chang, Ching-Yu Lee, Young-Hoon Kim, Tsung-Jen Huang, Meng-Huang Wu, Kee-Yong Ha
{"title":"The Effect of Spinopelvic Parameters on Anterior Bone Graft Subsidence in Surgical Treatment of Pyogenic Lumbar Spondylodiscitis.","authors":"Yu-Kai Kuo, Yen-Kuang Lin, Jie-Wei Chang, Ching-Yu Lee, Young-Hoon Kim, Tsung-Jen Huang, Meng-Huang Wu, Kee-Yong Ha","doi":"10.1016/j.wneu.2025.123802","DOIUrl":"https://doi.org/10.1016/j.wneu.2025.123802","url":null,"abstract":"<p><strong>Study design: </strong>Retrospective cohort study.</p><p><strong>Objectives: </strong>To evaluate the effect of spinopelvic parameters on anterior bone graft subsidence and functional outcomes after anterior interbody fusion (AIF) and posterior instrumented fusion (PIF) in pyogenic spondylodiscitis (PS).</p><p><strong>Methods: </strong>Sixty-five patients who had received AIF+PIF for PS over July 2003 to December 2015 were enrolled. Based on the degree of bone graft subsidence, the patients were divided into groups A (minimal subsidence), B (moderate subsidence), and C (severe subsidence). Comparative analysis was performed evaluating patient demographics, spinopelvic parameters (kyphosis angle, involved segment's intervertebral height, pelvic incidence [PI], pelvic tilt, sacral slope, lumbar lordosis [LL], thoracolumbar kyphosis, and PI minus LL [PI-LL]), and clinical evaluation including Oswestry Disability Index (ODI) score and Visual Analog Scale (VAS) scores. The data were collected in a patient registry at perioperative, postoperative 3-month and 2-year to assess clinical and radiological outcomes. Receiver Operating Characteristic (ROC) analysis was applied for identification of cut-off points of LL and PI-LL in suggestion of clinical practice.</p><p><strong>Results: </strong>The 65 included patients had a mean follow-up period of 35.09 ± 38.30 months. Generalized estimating equation analysis showed that LL and PI-LL changes in group A were significantly different from those in group C but not in group B, revealing that preoperative LL and postoperative PI-LL are bone graft subsidence type indicators. By contrast, preoperative ODI, postoperative 3-month VAS-back, preoperative VAS-leg, and postoperative 2-year VAS-leg scores were associated with bone graft subsidence type. ROC analysis identified preoperative LL < 40.79° and postoperative PI-LL > 15° as significant predictive markers for severe bone graft subsidence, providing valuable thresholds for surgical risk evaluation.</p><p><strong>Conclusions: </strong>Among spinopelvic parameters, preoperative LL and postoperative PI-LL are important parameters associated with bone graft subsidence severity in patients who had received AIF+PIF for PS.</p>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":" ","pages":"123802"},"PeriodicalIF":1.9,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143459669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Octavian-Mihai Sirbu , Mihai-Stelian Moreanu , Lucian-George Eftimie , Claudiu Socoliuc , Gabriela Simona Toma , Radu Mircea Gorgan , Marian Mitrica
{"title":"Rosette-Forming Glioneuronal Tumor Mimicking Foramen Monro Colloid Cyst: Case Presentation and Systematic Literature Review","authors":"Octavian-Mihai Sirbu , Mihai-Stelian Moreanu , Lucian-George Eftimie , Claudiu Socoliuc , Gabriela Simona Toma , Radu Mircea Gorgan , Marian Mitrica","doi":"10.1016/j.wneu.2025.123717","DOIUrl":"10.1016/j.wneu.2025.123717","url":null,"abstract":"<div><h3>Background</h3><div>Rosette-forming glioneuronal tumors (RGNTs) are rare indolent and benign tumors, typically associated with the fourth ventricle. Cases in the third ventricle are less common, especially those involving only the anterior part.</div></div><div><h3>Methods</h3><div>A literature review using “rosette-forming glioneuronal tumor” on PubMed yielded 176 articles from 2002 to 2024. Articles excluding third ventricle RGNTs were omitted, with titles and abstracts screened for relevance. We also present our case of an anterior third ventricle RGNT, tracking from initial presentation to follow-up.</div></div><div><h3>Results</h3><div>Our patient, a 62-year-old woman, experienced 3 months of recurrent Hakim Triad symptoms—gait instability, urinary incontinence, and cognitive issues. Magnetic resonance imaging revealed a 1.0 × 0.7 cm mass, hypointense on T1-weighted imaging and heterogeneous on T2-weighted imaging, initially suspected as a colloid cyst. Given its high colloid cyst risk score, surgery was performed, but histopathology confirmed an RGNT diagnosis. To date, this is the first case of exclusive anterior third ventricle RGNT microsurgery reported, with 26 months of recurrence-free follow-up. Our literature review identified 20 articles detailing 23 cases of third ventricle RGNT, with only 7 achieving gross total resection, while most underwent biopsy and ventriculostomy.</div></div><div><h3>Conclusions</h3><div>RGNTs in the anterior third ventricle may resemble other tumor types, requiring careful monitoring. This case is significant due to the patient’s clinical presentation, imaging, and extended recurrence-free follow-up.</div></div>","PeriodicalId":23906,"journal":{"name":"World neurosurgery","volume":"195 ","pages":"Article 123717"},"PeriodicalIF":1.9,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143047817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}