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Supracerebellar transtentorial approach to the parahippocampal gyrus. 小脑上横切法进入海马旁回。
Neurosurgical focus: Video Pub Date : 2024-07-01 DOI: 10.3171/2024.4.FOCVID2455
Pavel Pichardo-Rojas, Arjun Suresh Chandran, Fernando De Nigris Vasconcellos, Ellery Wheeler, Ryan McCormack, Nitin Tandon
{"title":"Supracerebellar transtentorial approach to the parahippocampal gyrus.","authors":"Pavel Pichardo-Rojas, Arjun Suresh Chandran, Fernando De Nigris Vasconcellos, Ellery Wheeler, Ryan McCormack, Nitin Tandon","doi":"10.3171/2024.4.FOCVID2455","DOIUrl":"10.3171/2024.4.FOCVID2455","url":null,"abstract":"<p><p>The supracerebellar transtentorial technique (SCTT) is a versatile approach that grants access to medial and basal temporal (MBT) regions without transgressing normal lateral cortex, damaging the hippocampus, or requiring significant brain retraction. This video illustrates the SCTT in resecting a cavernous malformation within the parahippocampal gyrus to alleviate associated epilepsy and preserve cognition. The authors outline the anatomical considerations, alternative approaches, positioning, craniotomy, and dural opening. They demonstrate how to access the supracerebellar space, elevate the dura toward the tentorial incisura, and resect the malformation. This video serves as a practical reference for management of MBT lesions via minimally invasive procedures.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V7"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216420/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494481","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}
引用次数: 0
Disconnective hemispherotomy: technique and operative highlights. 离断半球切除术：技术和手术要点。
Neurosurgical focus: Video Pub Date : 2024-07-01 DOI: 10.3171/2024.4.FOCVID2436
Akshay Sharma, Richard Rammo, Nehaw Sarmey, Efstathios D Kondylis, Demitre Serletis, William Bingaman
{"title":"Disconnective hemispherotomy: technique and operative highlights.","authors":"Akshay Sharma, Richard Rammo, Nehaw Sarmey, Efstathios D Kondylis, Demitre Serletis, William Bingaman","doi":"10.3171/2024.4.FOCVID2436","DOIUrl":"10.3171/2024.4.FOCVID2436","url":null,"abstract":"<p><p>Hemispherectomy is an effective procedure used in the treatment of drug-resistant hemispheric epilepsy, especially in the pediatric population. A number of resective and disconnective techniques are used, and selection of surgical strategy is paramount to achieving successful results. Notably, disconnective (or functional) hemispherotomy maximizes the benefits of safe, surgical disconnection while minimizing hemispheric tissue resection, thereby avoiding some of the perioperative factors contributing to morbidity in traditional anatomical hemispherectomy procedures. In this video, the authors outline the principal surgical steps of disconnective hemispherotomy and highlight important technical factors leading to optimal outcomes in patients with refractory, oftentimes catastrophic, hemispheric epilepsy. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2436.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V13"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216428/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494772","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}
引用次数: 0
Stereoelectroencephalography-guided radiofrequency thermocoagulation. 立体脑电图引导下的射频热凝术。
Neurosurgical focus: Video Pub Date : 2024-07-01 DOI: 10.3171/2024.4.FOCVID2442
Guillaume Dannhoff, Luca Fumagalli, Sarah Ferrand-Sorbets, Georg Dorfmuller, Marion Quirins, Pierre Bourdillon
{"title":"Stereoelectroencephalography-guided radiofrequency thermocoagulation.","authors":"Guillaume Dannhoff, Luca Fumagalli, Sarah Ferrand-Sorbets, Georg Dorfmuller, Marion Quirins, Pierre Bourdillon","doi":"10.3171/2024.4.FOCVID2442","DOIUrl":"10.3171/2024.4.FOCVID2442","url":null,"abstract":"<p><p>Within the neurosurgeon's armamentarium, stereoelectroencephalography (SEEG)-guided radiofrequency thermocoagulation (RFTC) is an elegant tool to manage epilepsy in selected cases. This technique can 1) be curative when targeting small-volume ictal onset zones, 2) be used as a diagnostic tool by observing the consequences of coagulation on seizures or by recording the epileptic network in SEEG, and 3) offer palliative treatment through multiple lesions within a wide epileptic network. It is performed on awake patients, under continuous neurological evaluation, while monitoring impedance, time, and energy delivered. It could offer highly favorable outcomes in some cases, as in periventricular nodular heterotopia where 81% of patients are responders.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V14"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216414/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494774","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}
引用次数: 0
Stereotactic depth electrode placement for chronic subthreshold cortical stimulation: surgical technique video. 用于慢性阈下皮质刺激的立体定向深度电极置入术：手术技术视频。
Neurosurgical focus: Video Pub Date : 2024-07-01 DOI: 10.3171/2024.4.FOCVID2422
Daniel Jeremiah Harrison, Soliman Oushy, Nicholas M Gregg, Brian N Lundstrom, Jamie J Van Gompel
{"title":"Stereotactic depth electrode placement for chronic subthreshold cortical stimulation: surgical technique video.","authors":"Daniel Jeremiah Harrison, Soliman Oushy, Nicholas M Gregg, Brian N Lundstrom, Jamie J Van Gompel","doi":"10.3171/2024.4.FOCVID2422","DOIUrl":"10.3171/2024.4.FOCVID2422","url":null,"abstract":"<p><p>Neurostimulation is an increasingly common treatment option for medically intractable epilepsy. SANTE (Stimulation of the Anterior Nucleus of the Thalamus for Epilepsy) and Responsive Neurostimulation (RNS) System are landmark neurostimulation trials that utilized either duty cycle or a responsive stimulation paradigm. A seizure-free outcome is rarely observed with responsive and duty cycle neurostimulation devices. Chronic subthreshold cortical stimulation (CSCS) is a promising treatment for adult drug-resistant epilepsy involving eloquent cortex and has demonstrated safety and efficacy. Herein, the authors describe the surgical technique as well as details of stimulation programming involved in CSCS placement to facilitate the adoption of this promising treatment. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2422.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V10"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216416/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494775","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}
引用次数: 0
Cisternal, vascular, and parenchymal landmarks in amygdalohippocampectomy for mesial temporal sclerosis: an index case with learnings from 820 resections. 颞中叶硬化症杏仁海马切除术中的蝶骨、血管和实质地标：从 820 例切除术中汲取经验的索引病例。
Neurosurgical focus: Video Pub Date : 2024-07-01 DOI: 10.3171/2024.4.FOCVID2428
Akhade Bhushan Sadashiv, Lokesh Vellore Dasarathan, George Chandy Vilanilam, Sam Scaria, Krishnakumar Kesavapisharady, Easwer Hariharan Venkat
{"title":"Cisternal, vascular, and parenchymal landmarks in amygdalohippocampectomy for mesial temporal sclerosis: an index case with learnings from 820 resections.","authors":"Akhade Bhushan Sadashiv, Lokesh Vellore Dasarathan, George Chandy Vilanilam, Sam Scaria, Krishnakumar Kesavapisharady, Easwer Hariharan Venkat","doi":"10.3171/2024.4.FOCVID2428","DOIUrl":"10.3171/2024.4.FOCVID2428","url":null,"abstract":"<p><p>Cortico-amygdalo-hippocampectomy is the most common epilepsy surgery resection in adults and offers excellent outcomes. Seizure outcome benefits range from 75% to 88% with a 2%-4% adverse event rate. The safety profile and outcomes could be enhanced further by clearly defining key surgical landmarks that could also aid tumoral resections in the mesial temporal lobe and selective mesial resections. The authors present their learnings of intraoperative landmarks (cisternal, parenchymal, and vascular) and surgical substeps through an index case of cortico-amygdalo-hippocampectomy with lessons from 820 resections. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2428.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V6"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216417/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494469","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}
引用次数: 0
The technical landscape of modern epilepsy surgery 现代癫痫手术的技术格局
Neurosurgical focus: Video Pub Date : 2024-07-01 DOI: 10.3171/2024.4.focvid23219
Sharona Ben-Haim, Dennis Spencer, Jonathan Roth, Howard L. Weiner
{"title":"The technical landscape of modern epilepsy surgery","authors":"Sharona Ben-Haim, Dennis Spencer, Jonathan Roth, Howard L. Weiner","doi":"10.3171/2024.4.focvid23219","DOIUrl":"https://doi.org/10.3171/2024.4.focvid23219","url":null,"abstract":"","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141706577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vagus nerve stimulation in pediatric patients with drug-resistant epilepsy: a step-by-step video. 迷走神经刺激治疗儿科耐药性癫痫患者：逐步视频。
Neurosurgical focus: Video Pub Date : 2024-07-01 DOI: 10.3171/2024.4.FOCVID244
Santiago E Cicutti, Guido P Gromadzyn, Javier F Cuello, Marcelo Bartuluchi
{"title":"Vagus nerve stimulation in pediatric patients with drug-resistant epilepsy: a step-by-step video.","authors":"Santiago E Cicutti, Guido P Gromadzyn, Javier F Cuello, Marcelo Bartuluchi","doi":"10.3171/2024.4.FOCVID244","DOIUrl":"10.3171/2024.4.FOCVID244","url":null,"abstract":"<p><p>Vagus nerve stimulation (VNS) is a neuromodulatory treatment involving chronic intermittent electrical stimulation of the left vagus nerve, administered through a programmable pulse generator implanted subcutaneously in the chest. This generator connects to a bipolar lead, with electrodes wrapped around the vagus nerve in the neck. Primarily used as an adjunct therapy for patients with refractory epilepsy who cannot undergo or have not benefitted from resective surgery, VNS is generally well tolerated with few severe side effects. Herein is presented an educational surgical video providing a detailed, step-by-step technical description of VNS implantation. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID244.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V2"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216423/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494482","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}
引用次数: 0
Navigation-guided endoscopic lumbar decompression on foramen and lateral recess in advanced scoliosis 导航引导下的内窥镜腰椎减压术对晚期脊柱侧凸的孔道和侧凹进行减压
Neurosurgical focus: Video Pub Date : 2024-04-01 DOI: 10.3171/2024.1.FOCVID23195
Dimas Rahman Setiawan, Enrico Giordan, Changik Lee, Chan Woong Park, Phattareeya Pholprajug, Jin-Sung Kim
{"title":"Navigation-guided endoscopic lumbar decompression on foramen and lateral recess in advanced scoliosis","authors":"Dimas Rahman Setiawan, Enrico Giordan, Changik Lee, Chan Woong Park, Phattareeya Pholprajug, Jin-Sung Kim","doi":"10.3171/2024.1.FOCVID23195","DOIUrl":"https://doi.org/10.3171/2024.1.FOCVID23195","url":null,"abstract":"An 84-year-old woman presented with left leg radiating pain for 18 months and a numeric rating scale score of 8. From examination, motoric on left knee extension was grade 4, with dysesthesia and numbness along the left anterolateral thigh. Imaging showed left L3–4 foraminal and lateral recess stenosis with severe-degree scoliosis. The patient underwent navigation-guided endoscopic transforaminal foraminotomy and lateral recess decompression on the left L3–4 level with a good outcome. Three-years’ follow-up showed a well-maintained clinical outcome and coronal sagittal balance. This video explores navigation-guided endoscopic lumbar decompression for neural compression in advanced scoliosis. Further research is encouraged to establish long-term efficacy. The video can be found here: https://stream.cadmore.media/r10.3171/2024.1.FOCVID23195","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"1 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140772884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Five-step unilateral biportal endoscopic surgery for central lumbar canal stenosis: "Z" technique nuance 五步单侧双侧内窥镜手术治疗中央腰椎管狭窄症："Z "技术的细微差别
Neurosurgical focus: Video Pub Date : 2024-04-01 DOI: 10.3171/2024.1.focvid23182
Ariel Kaen, Javier Quillo-Olvera, Man Kyu Park, Santiago Rocha, Fernando Durand, Ignacio Martin, Sang-Kyu Son
{"title":"Five-step unilateral biportal endoscopic surgery for central lumbar canal stenosis: \"Z\" technique nuance","authors":"Ariel Kaen, Javier Quillo-Olvera, Man Kyu Park, Santiago Rocha, Fernando Durand, Ignacio Martin, Sang-Kyu Son","doi":"10.3171/2024.1.focvid23182","DOIUrl":"https://doi.org/10.3171/2024.1.focvid23182","url":null,"abstract":"The treatment for lumbar spinal stenosis has advanced through the use of minimally invasive surgery techniques. Endoscopic methods go even further, with studies showing that both uniportal and biportal endoscopic techniques have outcomes comparable to traditional approaches. However, there is limited knowledge of the step-by-step decompression process when using the unilateral biportal endoscopic (UBE). To address this, the authors introduce the five steps in the \"Z\" sequence, which aims to reduce surgical time and complications. The video can be found here: https://stream.cadmore.media/r10.3171/2024.1.FOCVID23182","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"342 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140784700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Endoscopy for T10 nerve sheath tumor T10 神经鞘瘤的内窥镜检查
Neurosurgical focus: Video Pub Date : 2024-04-01 DOI: 10.3171/2024.1.FOCVID23214
S. Dhandapani, Chandrashekhar Gendle
{"title":"Endoscopy for T10 nerve sheath tumor","authors":"S. Dhandapani, Chandrashekhar Gendle","doi":"10.3171/2024.1.FOCVID23214","DOIUrl":"https://doi.org/10.3171/2024.1.FOCVID23214","url":null,"abstract":"Minimally invasive surgery (MIS) is increasingly being adopted for spinal intradural tumors. Through the use of conventional microscopy or exoscopy for large lobulated nerve sheath tumors, the posterior root attachment is often visualized only after mobilizing the tumor. Here, the authors describe the utility of angled endoscopy with its panoramic view for a T10 nerve sheath tumor. Gross-total extracapsular excision was achieved utilizing a minimally invasive right paraspinous approach, fenestration, lateral durotomy, sliding delivery of the tumor, sharp dissection of radicular attachments under neuromonitoring, and dural closure with oblique clips. Angled endoscopes help visualize the attachments behind large multilobulated tumors and confirm the totality of excision. The video can be found here: https://stream.cadmore.media/r10.3171/2024.1.FOCVID23214","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"88 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140777128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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