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Introduction. Use of the exoscope in neurosurgery 导言。外窥镜在神经外科中的应用
Neurosurgical focus: Video Pub Date : 2024-01-01 DOI: 10.3171/2023.10.focvid23188
Constantinos G. Hadjipanayis, L. Infinger, M. Lehecka, Gustavo Pradilla, Gabriel Zada
{"title":"Introduction. Use of the exoscope in neurosurgery","authors":"Constantinos G. Hadjipanayis, L. Infinger, M. Lehecka, Gustavo Pradilla, Gabriel Zada","doi":"10.3171/2023.10.focvid23188","DOIUrl":"https://doi.org/10.3171/2023.10.focvid23188","url":null,"abstract":"","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"24 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139129288","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
Exoscopic resection of giant olfactory groove meningioma 巨大嗅沟脑膜瘤的外镜切除术
Neurosurgical focus: Video Pub Date : 2024-01-01 DOI: 10.3171/2023.10.focvid23125
Francesco Calvanese, A. M. Auricchio, M. Lehecka
{"title":"Exoscopic resection of giant olfactory groove meningioma","authors":"Francesco Calvanese, A. M. Auricchio, M. Lehecka","doi":"10.3171/2023.10.focvid23125","DOIUrl":"https://doi.org/10.3171/2023.10.focvid23125","url":null,"abstract":"Olfactory groove meningiomas represent 8%–13% of all intracranial meningiomas. Gross-total resection for large (4–6 cm) and giant (> 6 cm) cases remains challenging due to their relationship with critical neurovascular structures and extensive frontal lobe edema. A variety of transcranial and endoscopic approaches have been described. This 2D operative video shows the use of a digital 3D exoscope in the removal of a giant olfactory groove meningioma through a lateral supraorbital approach in a 57-year-old woman with visual impairment and apathy. The exoscope provides a very good angulated view of the subfrontal area on both sides of the anterior cranial fossa even through a small craniotomy. The video can be found here: https://stream.cadmore.media/r10.3171/2023.10.FOCVID23125","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"125 16","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139128441","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
Minimally-invasive tubular resection of thoracolumbar intradural schwannoma. 胸腰椎硬膜内神经鞘瘤的微创管状切除术。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.6.FOCVID2335
Maya Harary, Diana Chang, Irene Say, Daniel C Lu
{"title":"Minimally-invasive tubular resection of thoracolumbar intradural schwannoma.","authors":"Maya Harary,&nbsp;Diana Chang,&nbsp;Irene Say,&nbsp;Daniel C Lu","doi":"10.3171/2023.6.FOCVID2335","DOIUrl":"https://doi.org/10.3171/2023.6.FOCVID2335","url":null,"abstract":"<p><p>Minimally invasive surgical (MIS) approaches to the spine are increasingly adopted for intradural pathology. In this setting, they may especially be useful to minimize risk of CSF leakage due to the decreased disruption to paraspinal musculature and minimal dead space. Herein, the authors demonstrate their technique for the resection of an intradural thoracolumbar schwannoma in a 30-year-old woman via an MIS approach using a nonexpandable tubular retractor. Salient points include the use of bayonetted instruments and the technique for dural closure in a small corridor. Indications for this technique are discussed in the context of a series of patients with intradural extramedullary lesions.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V19"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10580752/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685905","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
Robot-assisted T12 pediculectomy and resection of a ventral thoracic meningioma. 机器人辅助T12椎弓根切除术和腹侧胸脊膜瘤切除术。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.7.FOCVID2372
Mahmudur Rahman, Huy Truong, Aditya Vedantam
{"title":"Robot-assisted T12 pediculectomy and resection of a ventral thoracic meningioma.","authors":"Mahmudur Rahman,&nbsp;Huy Truong,&nbsp;Aditya Vedantam","doi":"10.3171/2023.7.FOCVID2372","DOIUrl":"https://doi.org/10.3171/2023.7.FOCVID2372","url":null,"abstract":"<p><p>Spinal meningiomas represent 25%-45% of intradural spinal tumors and are commonly seen in the thoracic spine. Ventral midline spinal meningiomas in the thoracic spine are challenging lesions to resect given their location in relation to the spinal cord. Resection for symptomatic or growing lesions requires adequate bone removal to limit retraction of the spinal cord. Surgical adjuncts such as intraoperative navigation, robotics, and ultrasound can improve the efficiency of and safety for resection of these lesions. The authors present a case of a complete resection of a ventral thoracic meningioma using a T12 transpedicular approach with robot-assisted navigated pediculectomy and intraoperative ultrasonography.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V18"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10580736/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685910","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
Cervical ependymoma en bloc resection. 颈室管膜瘤整体切除术。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.6.FOCVID2390
Matheus A Bannach, Mateus N F Fernandes, Rodrigo Cavalcante
{"title":"Cervical ependymoma en bloc resection.","authors":"Matheus A Bannach,&nbsp;Mateus N F Fernandes,&nbsp;Rodrigo Cavalcante","doi":"10.3171/2023.6.FOCVID2390","DOIUrl":"https://doi.org/10.3171/2023.6.FOCVID2390","url":null,"abstract":"<p><p>A 58-year-old male was admitted to the authors' department due to cervicothoracic pain and disequilibrium. Physical examination evidenced sensory and motor deficits in the lower limbs. MRI evidenced an expansive intramedullary lesion compatible with ependymoma. The nuances of this surgical access and the management of intradural tumors are discussed.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V3"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10580749/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685900","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
Resection of a large multisegmental filum terminale ependymoma through a multisegmental hemilaminectomy. 多节半椎板切除术切除大型多节终丝室管膜瘤。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.6.FOCVID2349
Paawan Bahadur Bhandari
{"title":"Resection of a large multisegmental filum terminale ependymoma through a multisegmental hemilaminectomy.","authors":"Paawan Bahadur Bhandari","doi":"10.3171/2023.6.FOCVID2349","DOIUrl":"https://doi.org/10.3171/2023.6.FOCVID2349","url":null,"abstract":"<p><p>This video demonstrates a gross-total resection of a multisegmental intradural extramedullary tumor using only multisegmental hemilaminectomy. The patient is a 21-year-old woman presenting with only backache. MRI of the lumbar spine demonstrates a large multisegmental heterogeneously enhancing intradural extramedullary tumor extending down from the eleventh dorsal vertebrae down to the fifth lumbar vertebrae. The surgical video demonstrates the technique of multisegmental hemilaminectomy and microsurgical resection of the tumor without posterior spinal instrumentation. Postoperatively, the patient had no neurological deficit and was discharged on postoperative day 5. Three-month postoperative MRI shows no residual disease or spinal deformity.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V20"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10580747/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685907","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
Resection of intradural intramedullary subependymoma of the cervicothoracic spine: 2-dimensional operative video. 颈胸段硬膜内髓内室管膜下瘤切除术：二维手术视频。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.6.FOCVID2381
Joshua Vignolles-Jeong, Maxwell D Gruber, Vikas Munjal, Santino Cua, Justin Baum, Vikram B Chakravarthy
{"title":"Resection of intradural intramedullary subependymoma of the cervicothoracic spine: 2-dimensional operative video.","authors":"Joshua Vignolles-Jeong,&nbsp;Maxwell D Gruber,&nbsp;Vikas Munjal,&nbsp;Santino Cua,&nbsp;Justin Baum,&nbsp;Vikram B Chakravarthy","doi":"10.3171/2023.6.FOCVID2381","DOIUrl":"https://doi.org/10.3171/2023.6.FOCVID2381","url":null,"abstract":"<p><p>This video presents the case of a 44-year-old male with a 2-year history of pain in the left upper extremity that had worsened over the course of the last 6 months with associated weakened grip strength and had extended into his right arm. T2-weighted sagittal and axial MRI demonstrated an expansive nonenhancing solid intramedullary lesion extending from C5 to T1. The patient underwent a C5-T1 laminectomy and laminoplasty with near-complete resection of the intradural intramedullary subependymoma. At 3 months' follow-up, he reported doing well and had experienced significant improvement in motor strength with ongoing therapies.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V6"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10580741/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685909","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
Dorsal cervical approach for recurrent intradural anaplastic ependymoma. 颈背入路治疗复发性硬膜内间变性室管膜瘤。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.6.FOCVID2396
Maxwell T Laws, Martin Arhin, Leonel Ampie, Prashant Chittiboina
{"title":"Dorsal cervical approach for recurrent intradural anaplastic ependymoma.","authors":"Maxwell T Laws,&nbsp;Martin Arhin,&nbsp;Leonel Ampie,&nbsp;Prashant Chittiboina","doi":"10.3171/2023.6.FOCVID2396","DOIUrl":"https://doi.org/10.3171/2023.6.FOCVID2396","url":null,"abstract":"<p><p>The video demonstrates an operative approach to a recurrent cervical anaplastic ependymoma. MYCN-amplified anaplastic ependymomas are locally aggressive, recurrent, and have a high risk of iatrogenic injury. In this case, the patient presented with local, aggressive tumor expansion, arachnoid adhesions, and pial invasion ventral to the spinal cord. Subcapsular decompression minimized cord retraction from a dorsal approach. Removal of the tumor capsule was guided by bipolar stimulation paired with neuromonitoring. Local gross-total resection was achieved, and the patient had a postoperative improvement in his neurological deficits and myelopathy.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V2"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10580737/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685901","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
Surgical resection of lumbar intradural metastatic renal cell carcinoma. 腰椎硬膜下转移性肾细胞癌的手术切除。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.7.FOCVID2379
Mohamed Macki, Vardhaan S Ambati, Christine Park, Michael Tawil, Abraham Dada, Alysha Jamieson, Sean Wilkinson, Timothy Chryssikos, Praveen V Mummaneni
{"title":"Surgical resection of lumbar intradural metastatic renal cell carcinoma.","authors":"Mohamed Macki,&nbsp;Vardhaan S Ambati,&nbsp;Christine Park,&nbsp;Michael Tawil,&nbsp;Abraham Dada,&nbsp;Alysha Jamieson,&nbsp;Sean Wilkinson,&nbsp;Timothy Chryssikos,&nbsp;Praveen V Mummaneni","doi":"10.3171/2023.7.FOCVID2379","DOIUrl":"https://doi.org/10.3171/2023.7.FOCVID2379","url":null,"abstract":"<p><p>A 60-year-old male with renal cell carcinoma (RCC) presented with back pain, weakness, and bowel and bladder urgency. MRI demonstrated a cauda equina tumor at L2. Following L1-3 laminectomies, intraoperative ultrasound localized the tumor. After dural opening, a vascular tumor was adherent to the cauda equina. Intraoperative nerve stimulation helped to identify the nerve rootlets. Tumor was removed in a piecemeal fashion. Tumor dissection caused periodic spasms in L1-3 distributions. A neuromonitoring checklist was used to recover motor evoked potential signals with elevated mean arterial pressures. Hemostasis was challenging with the vascular tumor. Intraoperative ultrasound confirmed tumor debulking. Pathology confirmed metastatic RCC.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V22"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10583818/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685913","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
Thoracic laminectomy and midline myelotomy for resection of a spinal ependymoma. 胸椎椎板切除术和中线脊髓切开术切除脊髓室管膜瘤。
Neurosurgical focus: Video Pub Date : 2023-10-01 DOI: 10.3171/2023.6.FOCVID2386
Lea Scherschinski, Ethan A Winkler, Charuta G Furey, Timothy C Gooldy, Joshua S Catapano, Michael T Lawton
{"title":"Thoracic laminectomy and midline myelotomy for resection of a spinal ependymoma.","authors":"Lea Scherschinski,&nbsp;Ethan A Winkler,&nbsp;Charuta G Furey,&nbsp;Timothy C Gooldy,&nbsp;Joshua S Catapano,&nbsp;Michael T Lawton","doi":"10.3171/2023.6.FOCVID2386","DOIUrl":"https://doi.org/10.3171/2023.6.FOCVID2386","url":null,"abstract":"<p><p>Spinal cord ependymomas comprise 25% of all intramedullary tumors and are typically treated with resection. A man in his mid-60s presented with imbalance and sensory deficits in both lower extremities, and a spinal thoracic intramedullary ependymoma spanning the levels T2 and T3 was diagnosed. After a laminectomy was performed, the tumor was microsurgically resected, and the patient demonstrated no neurological deficits on postoperative examination. Subsequent MRI showed complete resection of the tumor. This video showcases a thoracic intramedullary ependymoma resected using careful microdissection into the median raphe as a safe entry zone to preserve neurological function.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"9 2","pages":"V15"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10580746/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49685918","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
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