Neuroradiology Journal最新文献

{"title":"Transarterial embolization of sinus dural arteriovenous fistula using non-adhesive liquid embolic material.","authors":"Huachen Zhang, Youle Su, Xianli Lv","doi":"10.1177/19714009231224439","DOIUrl":"10.1177/19714009231224439","url":null,"abstract":"<p><p><b>Objective:</b> The objective is to report our experience of transarterial embolization of sinus dural arteriovenous fistula (DAVF) using non-adhesive liquid embolic material.<b>Materials and methods:</b> In 3 cases of Borden type II sinus DAVFs, a Copernic balloon was used to protect sagittal sinus in one patient, palliative Onyx embolization was performed to protect transverse sinus in one patient and EVAL/DMSO/ethanol mixture (EVAL, SUCCESS, Shandong, China) was used in the last patient.<b>Results:</b> Two Borden type II DAVFs were changed into type I DAVF and one was cured. The dural sinus was patent after successful Onyx embolization in 3 cases resulting in well patient recovery. There were no treatment-related events.<b>Conclusion:</b> Transarterial embolization of sinus DAVF using non-adhesive liquid embolic material could be effective and safe with sinus protection techniques.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"93-97"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11815797/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139040739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Perianeurysmal vasogenic oedema (PAVO): A single centre 10-year retrospective review.","authors":"Yatharth Verma, Catherine Pringle, Hedley Emsley, Hemant Sonwalkar, Andrew F Alalade, Gareth A Roberts","doi":"10.1177/19714009241269509","DOIUrl":"10.1177/19714009241269509","url":null,"abstract":"<p><strong>Introduction: </strong>Perianeurysmal Vasogenic Oedema (PAVO) is a rare but important complication of endovascular treatment of intracranial aneurysms. Many potential risk factors have been identified including age, aneurysm size, aneurysm location, immunological profile, type of coil used, diabetes, hypertension, and smoking. PAVO can cause persistent post-procedural symptoms, subsequently increasing post-embolization morbidity.</p><p><strong>Methods: </strong>A 10-year retrospective review was conducted between 2011 and 2021 at Royal Preston Hospital, Preston, UK.</p><p><strong>Results: </strong>We identified 8 patients that fit our inclusion criteria. This included 6 (75%) females and 2 (25%) males. The mean age was 64. All patients had anterior circulation aneurysms with the middle cerebral artery (MCA) being the most common site. The mean aneurysm size was 12 mm. Our patients were managed with a range of endovascular techniques. One patient had pre-treatment PAVO while 7 patients had post-embolization PAVO. Five patients were symptomatic, and 3 cases were asymptomatic with only radiological evidence of PAVO. Five patients were managed with varying courses of dexamethasone. PAVO resolution was achieved in 4 cases. The oedema significantly improved in 3 cases, but transiently progressed in 1 case.</p><p><strong>Conclusions: </strong>PAVO is a rare but important complication of endovascular management of intracranial aneurysms. We have shown that patients can be effectively managed with steroids with resultant oedema regression and symptomatic improvement. Many risk factors have been associated with PAVO, but further research is needed to better understand their role in PAVO development and help develop other therapeutic options.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"52-58"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571596/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141789393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The teacher-mentee bond in medicine.","authors":"Luca Saba","doi":"10.1177/19714009251316380","DOIUrl":"10.1177/19714009251316380","url":null,"abstract":"","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"5-6"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11752145/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143014138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Listeria monocytogenes brain abscesses presenting as contiguous, tubular rim-enhancing lesions on Magnetic Resonance Imaging: Case series and literature review.","authors":"Daniel D Kim, Mohammad Sadic, Boniface Yarabe, James R Loftus, Evan Lieberman, Matthew G Young, Rajan Jain, Siddhant Dogra","doi":"10.1177/19714009241240054","DOIUrl":"10.1177/19714009241240054","url":null,"abstract":"<p><p>Listeriosis has more than a 50% mortality when the central nervous system is involved, necessitating rapid diagnosis and treatment. We present four patients with brain abscesses in the setting of diagnosed neurolisteriosis, all of which demonstrated an odd presentation of multiple small, contiguous tubular lesions with rim enhancement on magnetic resonance imaging. Our review of published cases of neurolisteriosis suggests that this may be a useful pattern to identify neurolisteriosis abscesses, allowing earlier detection and therapy.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"115-120"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571425/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140144335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The \"Hypointense Focal Brain\" on susceptibility-weighted imaging as a sign of venous congestion in cranial dural arteriovenous fistulas.","authors":"Zhao Hui Chen Zhou, Amaya Hilario, Elena Salvador Álvarez, Agustín María Cárdenas Del Carre, Juan Romero Coronado, Carmen Lechuga Vázquez, Ana Martínez de Aragón, Ana Ramos González","doi":"10.1177/19714009241269522","DOIUrl":"10.1177/19714009241269522","url":null,"abstract":"<p><strong>Background: </strong>Cranial dural arteriovenous fistulas (dAVFs) are complex neurovascular malformations accounting for approximately 10%-15% of all intracranial arteriovenous malformations. The objective is to investigate the utility of susceptibility-weighted imaging (SWI) in identifying \"hypointense focal brain\" as an additional helpful sign of venous congestion in cranial dAVFs.</p><p><strong>Materials and methods: </strong>A retrospective review of patients diagnosed with cranial dAVFs between January 2015 and June 2023 was conducted, and SWI was used to identify the \"hypointense focal brain\" sign within the venous drainage region of the dAVF. The \"hypointense focal brain\" on SWI was identified as a low-intensity signal within the venous drainage region, indicative of venous congestion. The presence of this imaging sign was assessed by two neuroradiologists and signal intensity measurements were performed to support the presence of the sign.</p><p><strong>Results: </strong>The study included six patients with cranial dAVFs exhibiting cortical venous retrograde drainage and the \"hypointense focal brain\" on SWI. Follow-up imaging post-treatment revealed resolution or improvement of the hypointense signal, confirming its association with venous congestion. Signal intensity measurements further supported the presence of this imaging sign in pre-treatment scans.</p><p><strong>Conclusion: </strong>The study's findings demonstrate the presence of a reversible \"hypointense focal brain\" sign on SWI in patients with cranial dAVFs and CVR, which can be useful as an additional imaging sign for venous congestion.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"64-71"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571536/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141793733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neuroradiological manifestations in hospitalized patients with COVID-19: An Italian national multicenter study on behalf of AINR (Associazione Italiana di Neuroradiologia) and SIRM (Società Italiana di Radiologia Medica).","authors":"Nicoletta Anzalone, Simonetta Gerevini, Anna Del Poggio, Simona Gaudino, Francesco Causin, Letterio Salvatore Politi, Fabio Maria Triulzi, Guglielmo Pero, Anna Pichiecchio, Stefano Bastianello, Fabio Massimo Baruzzi, Elena Bianchini, Giovanni Foti, Giuseppe Kenneth Ricciardi, Massimo Sponza, Roberto Menozzi, Mirco Cosottini, Pasquale De Chirico, Luca Saba, Roberto Gasparotti","doi":"10.1177/19714009241240312","DOIUrl":"10.1177/19714009241240312","url":null,"abstract":"<p><strong>Purpose: </strong>This multicentric study aims to characterize and assess the occurrence of neuroradiological findings among patients with SARS-CoV-2 infection during the first Italian wave of the pandemic outbreak.</p><p><strong>Materials and methods: </strong>Patients' data were collected between May 2020 and June 2020. Clinical and laboratory data, chest imaging, brain CT, and MRI imaging were included. Acquired data were centralized and analyzed in two hospitals: ASST Spedali Civili, Brescia, and IRRCS San Raffaele Research Hospital, Milan, Italy. COVID-19 patients were classified into two different subgroups, vascular and nonvascular. The vascular pattern was further divided into ischemic and hemorrhagic stroke groups.</p><p><strong>Results: </strong>Four hundred and fifteen patients from 20 different Italian Centers were enrolled in the study. The most frequent symptom was focal neurological deficit, found in 143 patients (34.5%). The most frequent neuroradiological finding was ischemic stroke in 122 (29.4%) patients. Forty-four (10.6%) patients presented a cerebral hemorrhage. Forty-seven patients had non-stroke neuroimaging lesions (11.3%). The most common was PRES-like syndrome (28%), SWI hypointensities (22%), and encephalitis (19%). The stroke group had higher CAD risk (37.5% vs 20%, <i>p</i> = .016) and higher D-dimer levels (1875 ng/mL vs 451 ng/mL, <i>p</i> < .001) compared to the negative group.</p><p><strong>Conclusion: </strong>Our study describes the biggest cohort study in Italy on brain imaging of COVID-19 patients and confirms that COVID-19 patients are at risk of strokes, possibly due to a pro-thrombotic microenvironment. Moreover, apart from stroke, the other neuroradiological patterns described align with the ones reported worldwide.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"44-51"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11562890/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141427950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparing open and closed cell stents in idiopathic intracranial hypertension: A comprehensive meta-analysis of clinical outcomes.","authors":"Sávio Batista, Lucca B Palavani, Gabriel Verly, Marcio Yuri Ferreira, João Pedro Bittar Sanches, Guilherme Melo Silva, Agostinho C Pinheiro, José Alberto Almeida Filho","doi":"10.1177/19714009241269457","DOIUrl":"10.1177/19714009241269457","url":null,"abstract":"<p><p><b>Background:</b> Open cell stents (OC) and closed cell stents (CC) each offer unique advantages and potential drawbacks in the context of idiopathic intracranial hypertension (IIH) treatment. We aim to investigate the safety and efficacy of using OC and CC for IIH.<b>Methods:</b> We conducted a systematic review in PubMed, Embase, and Cochrane Library databases following the PRISMA guidelines. Eligible studies included ≥4 patients with IIH treated by OC or CC. Primary outcomes were headache, visual acuity, and papilledema status before and after the procedure. Additionally, failure rate, minor complications, major complications, and total complications were assessed. Pooled analysis of the OC group and CC group were done separately and then compared.<b>Results:</b> Twenty-four studies were included. Of these, 20 reported on OC and 6 reported on CC. Pooled analysis of failure rate was 8% (4%-12%) in OC and 5% (0%-11%) in CC. For headache improvement rate: 78% (70%-86%) in OC and 81% (66%-69%) in CC. For visual acuity improvement: 78% (65%-92%) in OC and 76% (29%-100%) in CC. For papilledema improvement: 88% (77%-98%) in OC and 82% (67%-98%) in CC. For minor complications: 0% (0%-1%) in OC and 0% (0%-2%) in CC. For major complications: 0% (0%-1%) in OC and 2% (0%-6%) in CC. Total complications: 0% (0%-1%) in OC and 2% (0%-6%) in CC.<b>Conclusion:</b> Low failure and complication rates were found in both OC and CC, with no significant difference between them in effectiveness. The CC showed a slight but significant increase in major and total complications compared to the OC. Additionally, a subtle yet significantly lower failure rate was identified in the CC.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"21-29"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571487/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141856748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"\"The microcatheter contrast injection technique\": A novel technique to detect the proximal end of a thrombus in mechanical thrombectomy.","authors":"Yu Iida, Kentaro Mori, Yosuke Kawahara, Issei Fukui, Ryotaro Yamashita, Mutsuki Takeda, Tatsu Nakano, Satoshi Hori, Jun Suenaga, Nobuyuki Shimizu, Motohiro Nomura, Tetsuya Yamamoto","doi":"10.1177/19714009231224427","DOIUrl":"10.1177/19714009231224427","url":null,"abstract":"<p><p><b>Background:</b> An aspiration catheter needs to attach to a thrombus in order to achieve first-pass recanalization by mechanical thrombectomy (MT) for acute ischemic stroke (AIS), particularly that using a direct aspiration first pass technique. The meniscus sign, which is defined as meniscoid contrast opacification indicating the proximal edge of a thrombus, has been suggested to contribute to successful recanalization. In some cases, the meniscus sign is not detected following an injection of contrast medium through a guiding catheter. To precisely identify the location of a thrombus, we use \"the microcatheter contrast injection (MCI) technique,\" which accurately shows the proximal edge of a thrombus. We herein introduce this novel technique and discuss its efficacy in MT. <b>Methods:</b> In cases without the meniscus sign, a microcatheter was advanced to the distal end of contrast opacification, and contrast medium was injected through the microcatheter to detect the meniscus sign. An aspiration catheter was then advanced to the thrombus indicated by the meniscus sign and slowly withdrawn under aspiration. <b>Results:</b> 29 patients underwent MT for AIS using the MCI technique. Even in cases without the meniscus sign on initial angiography, the MCI technique accurately revealed the proximal edge of the thrombus. Moreover, middle cerebral artery occlusion due to atherosclerotic stenosis and displacement of the aspiration catheter and thrombus axis were detected using this technique. <b>Conclusions:</b> The MCI technique may effectively reveal the exact site of a thrombus and increase the success rate of first-pass recanalization.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"98-105"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11826444/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139049537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of multiple deep neural networks for detection of intracranial dural arteriovenous fistula on susceptibility weighted angiography imaging.","authors":"Jithin Sivan Sulaja, Santhosh K Kannath, Viswanadh Kalaparti Sri Venkata Ganesh, Bejoy Thomas","doi":"10.1177/19714009241269491","DOIUrl":"10.1177/19714009241269491","url":null,"abstract":"<p><strong>Background: </strong>The natural history of intracranial dural arteriovenous fistula (DAVF) is variable and early diagnosis is crucial in order to positively impact the clinical course of aggressive DAVF. Artificial intelligence (AI) based techniques can be promising in this regard, and in this study, we used various deep neural network (DNN) architectures to determine whether DAVF could be reliably identified on susceptibility-weighted angiography images (SWAN).</p><p><strong>Materials and methods: </strong>A total of 3965 SWAN image slices from 30 digital subtraction angiographically proven DAVF patients and 4380 SWAN image slices from 40 age-matched patients with normal MRI findings as control group were included. The images were categorized as either DAVF or normal and the data was trained using various DNN such as VGG-16, EfficientNet-B0, and ResNet-50.</p><p><strong>Results: </strong>Various DNN architectures showed the accuracy of 95.96% (VGG-16), 91.75% (EfficientNet-B0), and 86.23% (ResNet-50) on the SWAN image dataset. ROC analysis yielded an area under the curve of 0.796 (<i>p</i> < .001), best for VGG-16 model. Criterion of seven consecutive positive slices for DAVF diagnosis yielded a sensitivity of 74.68% with a specificity of 69.15%, while setting eight slices improved the sensitivity to above 80.38%, with a decrease of specificity up to 56.38%. Based on seven consecutive positive slices criteria, EfficientNet-B0 yielded a sensitivity of 73.21% with a specificity of 45.92% and ResNet-50 yielded a sensitivity of 72.39% with a specificity of 67.42%.</p><p><strong>Conclusion: </strong>This study shows that DNN can extract discriminative features of SWAN for the classification of DAVF from normal with good accuracy, reasonably good sensitivity and specificity.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"72-78"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571296/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ulnar nerve mononeuropathy in a patient with Hansen's disease: Clinical and radiological features.","authors":"Juan P Cuesta, Laura C Rodríguez, Laura Perdomo, Nicolás Bastidas","doi":"10.1177/19714009231224449","DOIUrl":"10.1177/19714009231224449","url":null,"abstract":"<p><p>Leprosy is a chronic infection caused by bacteria called <i>Mycobacterium leprae</i>. This is a prevalent disease in low-income countries, and it has not been completely eradicated. We present the case of a 29-year-old man with a previous diagnosis of Hansen's disease, who consulted for pain in the left elbow and wrist, associated with fever with preserved mobility and pain on palpation. Diagnosis of mononeuropathy of the ulnar nerve was made by MRI of the elbow and forearm. This entity corresponds to an infrequent complication of this infection with few cases reported in the literature. Our added value with this case is to show and explain the clinical imaging correlation, which is vital to understand the presentation of symptoms and to carry out a comprehensive and rapid approach to establish adequate and timely treatment.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"106-109"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11815953/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139040740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}