Neuroradiology最新文献

{"title":"Reply: Dementia in spontaneous intracranial hypotension: look at the spine.","authors":"Horst Urbach, Niklas Lützen, Katharina Wolf, Jürgen Beck","doi":"10.1007/s00234-024-03529-2","DOIUrl":"https://doi.org/10.1007/s00234-024-03529-2","url":null,"abstract":"","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142877634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Increased burden of enlarged perivascular spaces in patients with patent foramen ovale.","authors":"Yangyingqiu Liu, Yuxuan Li, Qun Shang, Jinfeng Cao, Wei Zhao, Jiaxiang Xin, Xin Luo","doi":"10.1007/s00234-024-03532-7","DOIUrl":"https://doi.org/10.1007/s00234-024-03532-7","url":null,"abstract":"<p><strong>Introduction: </strong>Patent foramen ovale (PFO) patients may experience states of hypoxia and hypoperfusion, which may increase the burden of enlarged perivascular spaces (EPVS). However, to our knowledge, no data are available regarding EPVS in PFO patients. This study sought to investigate if patients with PFO exhibit a heightened burden of EPVS and to identify the mediating factors between PFO and EPVS.</p><p><strong>Methods: </strong>A total of 108 consecutive PFO patients (PFO group) and 110 healthy controls (HC group) from January 2022 to February 2024 were enrolled. The differences in centrum semiovale EPVS (CSO-EPVS) and basal ganglia EPVS (BG-EPVS) scores between PFO and HC groups were compared. The correlations among PFO diameters, laboratory indexes, and EPVS burdens were analyzed. The relationships among them were obtained using mediation analysis.</p><p><strong>Results: </strong>Mean age of PFO and HC group was 47.68 ± 14.47 and 48.14 ± 12.84 years. The CSO-EPVS and BG-EPVS scores were higher in PFO group than HC group (P < 0.001). The CSO-EPVS and BG-EPVS scores for PFO group were concentrated in the ranges 1-3 and 1-2 points, while for HC group were concentrated in the range 0-1 points. A positive correlation among PFO diameters and CSO-EPVS score (r = 0.62, P < 0.001), BG-EPVS score (r = 0.63, P < 0.001), and homocysteine (HCY)(r = 0.21, P = 0.03) was observed. Mediation analysis indicated that higher HCY significantly mediated the relationship between PFO diameter and BG-EPVS burden in PFO patients (P < 0.05).</p><p><strong>Conclusion: </strong>These findings revealed the presence of glymphatic dysfunction in patients with PFO. HCY may mediate the impact of PFO diameter on glymphatic function.</p>","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142877630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Results of carotid stenting in patients with contralateral internal carotid artery occlusion: a retrospective single-center analysis and 22 years of experience.","authors":"Esra Kochan Kizilkilic, Yeşim Namdar Akan, Baran Atbas, Seyfullah Halit Karagöz, Bora Korkmazer, Serdar Arslan, Civan Islak, Naci Kocer, Osman Kizilkilic","doi":"10.1007/s00234-024-03524-7","DOIUrl":"https://doi.org/10.1007/s00234-024-03524-7","url":null,"abstract":"<p><strong>Purpose: </strong>Patients with contralateral carotid artery occlusion (CCO) represent a subgroup of patients at risk for revascularization procedures. The choice of appropriate revascularization procedure (carotid endarterectomy (CEA) or carotid artery stenting (CAS)) in these patients is controversial. The aim of this study is to share the results of clinical and radiological follow-up after CAS in these patients and to contribute to the literature by evaluating the efficacy and safety of stenting.</p><p><strong>Methods: </strong>In our study, the clinical and radiological data of 145 patients with CCO and 145 age-gender-matched patients without CCO who underwent elective CAS in the interventional neuroradiology clinic between 2001 and 2023 were retrospectively analyzed. A comparison was made between short- and long-term outcomes between the two groups.</p><p><strong>Results: </strong>The overall technical success rate of CAS was 99.7% and the 30-day all-cause mortality rate was 1.4%. There was no statistically significant difference between the two groups in terms of early-term (intra-procedural thromboembolic events, post-procedural symptomatic hyperperfusion, intraparenchymal hemorrhage, major and minor ischemic stroke, early-term mortality rate) and long-term (intimal hyperplasia, residual stenosis, major and minor ischemic stroke and long-term all-cause mortality rate) (p > 0.05).</p><p><strong>Conclusion: </strong>In our experience, it was concluded that CAS performed by an experienced interventional neuroradiology team in patients with CCO does not pose an additional risk. Since CCO poses a risk for CAE, CAS may be a more acceptable treatment modality in these patients due to less perioperative risk. However, further research is required to support our findings.</p>","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142872682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reliability and applicability of angiographic outcome scales in WEB device-treated aneurysms: a systematic review.","authors":"Pierre-Olivier Comby, Stefanos Finitsis, Daniela Iancu, Maria Alexandratou, Anass Benomar, Daniel Roy, Alain Weill, Roland Jabre, Nicolas Lecaros, Hanan Alhazmi, Tim E Darsaut, Jean Raymond","doi":"10.1007/s00234-024-03526-5","DOIUrl":"https://doi.org/10.1007/s00234-024-03526-5","url":null,"abstract":"<p><strong>Purpose: </strong>Various angiographic assessment scales have been used to report the results of endovascular treatment with the WEB device. We aimed to review the use and reliability of these scales.</p><p><strong>Methods: </strong>We systematically reviewed studies reporting angiographic outcomes of WEB-treated aneurysms from January 2010 to May 2023. We identified the studies that reported the reliability of the various scales. Data from eligible studies were extracted and evaluated by two independent reviewers, with discrepancies resolved by a third reviewer.</p><p><strong>Findings: </strong>The review identified 138 studies that used 12 different occlusion scales. The non-specific Raymond-Roy occlusion classification (RROC) was most commonly used (94/138 (68%)), followed by the Bicêtre Occlusion Scale Score (BOSS; 21/138 (15%)) and the Web Occlusion Scale (WOS; 16/138 (12%)), both specifically adapted to the WEB. Six reliability studies were identified, which included 16-30 cases evaluated by few (2-7) raters. Studies were too heterogenous to proceed with a meta-analysis. Substantial agreement in reporting angiographic results was shown in one study using the WOS (K = 0.70; 0.64-0.75), and one using the BOSS (K = 0.82; 0.68-0.96), but only when categories were dichotomized as complete versus incomplete occlusion. Most classifications can be translated into the RROC, allowing comparisons with other devices and treatment modalities. The RROC reached substantial agreement, but only between 2 raters in a small 26-patient study (k = 0.69; 0.46-0.93).</p><p><strong>Conclusion: </strong>More agreement studies are needed to validate the reliability of angiographic outcome scales that can be used to compare WEB with other endovascular or surgical treatments.</p>","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142864957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Black Bone MRI vs. CT in temporal bone assessment in craniosynostosis: a radiation-free alternative.","authors":"Silvia Valeggia, Marjolein H G Dremmen, Irene M J Mathijssen, Linda Gaillard, Renzo Manara, Riccardo Ceccato, Martijn van Hattem, Renske Gahrmann","doi":"10.1007/s00234-024-03525-6","DOIUrl":"https://doi.org/10.1007/s00234-024-03525-6","url":null,"abstract":"<p><strong>Background and purpose: </strong>Craniosynostoses are rare congenital craniofacial malformations, variably affected by hearing loss, often requiring repeated CT examinations to assess skull or temporal bone (TB) abnormalities. In order to avoid radiation exposure in these young patients, efforts are made to assess the skull abnormalities on MR bone imaging sequences, such as Black Bone (BB). Our aim is to compare BB, a radiation-free imaging technique, with CT for the assessment of the TB.</p><p><strong>Materials and methods: </strong>48 patients who underwent both BB and CT (2016-2021) in Sophia Children's Hospital, Erasmus MC, Rotterdam, were retrospectively investigated. BB and CT (the diagnostic gold standard for imaging the temporal bone) were evaluated blindly and independently by 3 observers; visibility and abnormalities of TB structures and cranial nerves were scored; abnormal findings were confirmed by a senior pediatric neuroradiologist. The statistical analysis was performed using Gwet's AC1 agreement and modified versions of the Wilcoxon signed-rank test and sign test with a Bonferroni-Holm correction (p < 0.05).</p><p><strong>Results: </strong>CT was rated higher than BB in structure visibility (global p = 0.0002), but was rated similar to BB when assessing TB anatomy and pathology (global p = 0.58). The visibility ratings showed better interobserver agreement values on CT than BB. In the normal/abnormal ratings, both BB (0.75-1) and CT (0.88-1) showed high interobserver agreement values.</p><p><strong>Conclusion: </strong>Our preliminary results suggest that BB is a promising tool for screening TB pathology in patients with craniosynostosis who require MR imaging.</p>","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142864952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic susceptibility contrast perfusion MRI helps in differentiating double-expressor from non-double-expressor subtypes in primary central nervous system lymphoma.","authors":"Goh Sasaki, Hiroyuki Uetani, Jun-Ichiro Kuroda, Mika Kitajima, Soichiro Ishiuchi, Kanako Sato, Yi Wang, Akitake Mukasa, Toshinori Hirai","doi":"10.1007/s00234-024-03511-y","DOIUrl":"https://doi.org/10.1007/s00234-024-03511-y","url":null,"abstract":"<p><strong>Purpose: </strong>In the 2016 WHO Classification of Lymphoid Tissue Neoplasms, co-expression of MYC and BCL2 is newly designated as double expressor lymphoma. Patients with primary central nervous system lymphoma with double expressor (DE-PCNSL) have been reported to have a higher risk of recurrence and a worse prognosis than those with PCNSL without double expressor (non-DE-PCNSL). The aim of this study was to determine whether DE-PCNSL has characteristic clinical and MR imaging features compared to non-DE-PCNSL.</p><p><strong>Methods: </strong>This study included 36 immunocompetent patients with PCNSL, including 16 with double expressor and 20 without double expressor. The enhancement pattern and the values of apparent diffusion coefficient (ADC), relative cerebral blood volume (rCBV), leakage-corrected rCBV, and K2 at enhancing lesions were compared between the DE-PCNSL and non-DE-PCNSL groups. The mean and minimum values from the ROI on ADC maps were designated as ADC_mean and ADC_min, respectively. The data of rCBV, leakage-corrected rCBV and K2 were obtained from dynamic susceptibility contrast (DSC) perfusion MRI. The Kaplan-Meier method was used to estimate progression-free survival (PFS) differences.</p><p><strong>Results: </strong>DE-PCNSL was significantly more common in women (12 of 16 patients, 75%) compared to non-DE-PCNSL (7 of 20 patients, 35%; P =.02). The rCBV ratio and leakage-corrected rCBV ratio were significantly lower in DE-PCNSL compared to non-DE-PCNSL (P =.02 and P =.03, respectively). There was no significant difference in the enhancement pattern and ADC_mean, ADC_min and K2 values between the two groups. DE-PCNSL tended to have a shorter PFS than non-DE-PCNSL, although the difference was not significant.</p><p><strong>Conclusion: </strong>rCBV and leakage-corrected rCBV may help differentiate double-expressor from non-double-expressor subtypes in PCNSL.</p>","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142854805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radial artery mechanical thrombectomy for transradial approach in neurointerventions: a step-by-step technical report.","authors":"Laura Stone McGuire, Peter Theiss, Mpuekela Tshibangu, Adrusht Madapoosi, Ali Alaraj","doi":"10.1007/s00234-024-03528-3","DOIUrl":"https://doi.org/10.1007/s00234-024-03528-3","url":null,"abstract":"<p><p>Radial artery occlusion (RAO) is a relatively common but benign complication following transradial endovascular approaches. Radial artery thrombectomy offers a potential strategy for re-access. Transradial access in the occluded vessel has been described as safe and feasible in recent literature; however, the step-by-step technical details have not been defined. This illustrative case highlights the technique developed at this institution, which has been performed in 7 consecutive patients. A middle-aged woman underwent initial diagnostic cerebral angiogram and balloon-occlusion test for tumor resection planning. Subsequently, the patient returned to for tumor embolization and was found to have RAO. Radial artery mechanical thrombectomy was performed, and this access was safely used for the embolization procedure.This report provides a technical description with illustrations for this approach in the setting of an acute occlusion following prior radial artery catheterizations. Recanalization of an acutely occluded radial artery is feasible and safe in our institutional experience.</p>","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142847044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dementia in spontaneous intracranial hypotension: a call for accurate terminology.","authors":"Aslan Lashkarivand, Per Kristian Eide","doi":"10.1007/s00234-024-03530-9","DOIUrl":"https://doi.org/10.1007/s00234-024-03530-9","url":null,"abstract":"","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142847042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"DTI-ALPS index as a predictor of cognitive decline over 1 year.","authors":"Joo Jungwon, Ji Hyung Lee, Chi-Hoon Choi, Jeonghwan Lee","doi":"10.1007/s00234-024-03521-w","DOIUrl":"https://doi.org/10.1007/s00234-024-03521-w","url":null,"abstract":"<p><strong>Purpose: </strong>Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterized by cognitive decline and impaired daily functioning. The glymphatic system removes neurotoxic waste, including amyloid-beta (Aβ), an important factor in AD pathogenesis. This study used the Diffusion Tensor Imaging Analysis Along the Perivascular Space (DTI-ALPS) index, which reflects glymphatic function, to explore its relationship with cognitive decline in patients with probable AD.</p><p><strong>Methods: </strong>We conducted a longitudinal study of 16 participants aged 60-79 years with probable AD who were evaluated using the Clinical Dementia Rating (CDR) and Mini-Mental State Examination (MMSE). Glymphatic function was assessed using the DTI-ALPS index; plasma Aβ 42/40 ratios were measured to account for amyloid pathology. The relationship between the DTI-ALPS index and baseline cognitive function was analyzed using multiple regression models adjusted for age, sex, and plasma Aβ 42/40 ratios. Associations between the DTI-ALPS index and cognitive decline over 1 year were assessed by a model using the percentage change in the MMSE z-score as the outcome variable.</p><p><strong>Results: </strong>Higher DTI-ALPS index was significantly associated with better baseline cognitive function as assessed by MMSE (standardized beta = 1.17, p < 0.001) and lower clinical severity as assessed by CDR (standardized beta = - 1.00, p = 0.006). Over the 1-year follow-up, greater baseline DTI-ALPS index values were associated with less cognitive decline (standardized beta = - 0.85, p = 0.018).</p><p><strong>Conclusion: </strong>Our findings suggest that DTI-ALPS index is associated with cognitive performance and is a biomarker for predicting cognitive decline in AD. Future studies should consider larger sample sizes and longer follow-up periods to validate these findings.</p>","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142829575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction to: Interhypothalamic adhesions: prevalence, structure, and location-based classification map in pediatric patients undergoing MRI.","authors":"Michael P Oien, Onur Tuncer, David Nascene","doi":"10.1007/s00234-024-03523-8","DOIUrl":"https://doi.org/10.1007/s00234-024-03523-8","url":null,"abstract":"","PeriodicalId":19422,"journal":{"name":"Neuroradiology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142813862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}