Piergiorgio d'Orio, Pedro Monteiro, José I Otayza, Alessandra Rocca, Martina Revay, Laura Castana, Francesco Cardinale
{"title":"Stereo-electro-encephalography (SEEG) methodology: technical nuances and insights into image-guided robot-assisted electrode implantation.","authors":"Piergiorgio d'Orio, Pedro Monteiro, José I Otayza, Alessandra Rocca, Martina Revay, Laura Castana, Francesco Cardinale","doi":"10.3171/2024.4.FOCVID2427","DOIUrl":"10.3171/2024.4.FOCVID2427","url":null,"abstract":"<p><p>An accurate definition of the epileptogenic zone is critical to the success of epilepsy surgery. When noninvasive presurgical studies are insufficient, stereoelectroencephalography (SEEG) becomes indispensable. This study illustrates a systematic approach using an illustrative case of centroparietal epilepsy, detailing the stepwise workup, planning, and image-guided robot-assisted frameless stereotactic implantation of intracerebral electrodes. The video provides insights into technical aspects and a single-center experience. Demonstrating efficacy, safety, and feasibility, SEEG emerges as a valuable procedure for studying drug-resistant focal epilepsy. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2427.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V4"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216426/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494479","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}
Alexander Chartrain, Carli Bullis, Nicholas Sader, Peter A Chiarelli, Madeline Kahan, Brittany Jordan, Latanya Agurs, Michele Van Hirtum-Das, Asri Yuliati, Sucheta Joshi, Jason Chu
{"title":"Minipterional craniotomy for resection of epileptogenic cavernous malformation.","authors":"Alexander Chartrain, Carli Bullis, Nicholas Sader, Peter A Chiarelli, Madeline Kahan, Brittany Jordan, Latanya Agurs, Michele Van Hirtum-Das, Asri Yuliati, Sucheta Joshi, Jason Chu","doi":"10.3171/2024.4.FOCVID2441","DOIUrl":"10.3171/2024.4.FOCVID2441","url":null,"abstract":"<p><p>Epilepsy is a common symptom of pediatric cavernous malformations. In medically refractory patients, surgery can achieve high seizure freedom rates with low morbidity. This video depicts the use of a minipterional craniotomy and transsulcal resection of a frontal opercular cavernous malformation in a 13-year-old female with medically intractable epilepsy. At 1-year follow-up, she was evaluated as Engel class I with a significant improvement in her quality of life. Principles of cavernous malformation resection for the treatment of epilepsy are also reviewed. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2441.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V3"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216541/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494472","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}
Luca Paun, Alessandro Moiraghi, Giorgia Antonia Simboli, Johan Pallud, Marc Zanello
{"title":"Robot-assisted stereotactic electroencephalography using 3-dimensional intraoperative imaging and frameless registration tool.","authors":"Luca Paun, Alessandro Moiraghi, Giorgia Antonia Simboli, Johan Pallud, Marc Zanello","doi":"10.3171/2024.4.FOCVID2419","DOIUrl":"10.3171/2024.4.FOCVID2419","url":null,"abstract":"<p><p>Stereoelectroencephalography (SEEG) is the gold standard to investigate the epileptic network in cases of drug-resistant epilepsy. Robot-assisted SEEG is increasingly being used; however, its installation process in the operating room is more difficult than that of the stereotactic frame procedure. New robotic tools and 3D intraoperative imaging ease the setup while achieving the same mechanical precision and a lower complication rate. In this video, the authors illustrate the surgical technique and step-by-step workflow using a robotic arm (neuromate) guided by a frameless registration system (neurolocate), registered with an intraoperative flat-panel CT scanner (O-arm). The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2419.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V5"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216542/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494475","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}
Yuta Tanoue, Takehiro Uda, Toshiyuki Kawashima, Vich Yindeedej, Takeo Goto
{"title":"Endoscopic trans-orbital approach for the tumor-related epilepsy at the temporal tip.","authors":"Yuta Tanoue, Takehiro Uda, Toshiyuki Kawashima, Vich Yindeedej, Takeo Goto","doi":"10.3171/2024.4.FOCVID2414","DOIUrl":"10.3171/2024.4.FOCVID2414","url":null,"abstract":"<p><p>Minimally invasive surgery is gaining increasing interest in epilepsy surgery. In this video, the authors present the endoscopic transorbital approach for an epileptogenic lesion located at the temporal tip. The patient was a man in his 40s who has had intractable focal impaired awareness seizures and focal to bilateral tonic-clonic seizures since he was 31 years of age. According to the preoperative examination, including stereotactic electroencephalography, a cavernous angioma located at the tip of the right temporal lobe was diagnosed as an epileptogenic lesion. Lesionectomy for this lesion was performed using the endoscopic transorbital approach as minimally invasive surgery and a favorable outcome was achieved. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2414.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V9"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216418/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494773","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":"Robot-assisted deep brain stimulation of the centromedian nucleus of the thalamus for generalized epilepsy: targeting and operative video.","authors":"Jason A Chen, Aaron E L Warren, John D Rolston","doi":"10.3171/2024.4.FOCVID245","DOIUrl":"10.3171/2024.4.FOCVID245","url":null,"abstract":"<p><p>The centromedian (CM) nucleus of the thalamus is a promising target for a range of brain diseases including drug-resistant generalized and multifocal epilepsy. CM is highly connected to cortical and subcortical regions including frontoparietal/sensorimotor cortex, striatum, brainstem, and cerebellum, which are involved in some generalized epilepsy syndromes like Lennox-Gastaut syndrome (LGS). In this video, the authors describe their methodology for targeting CM for deep brain stimulation (DBS). Delineation of an optimal and consistent target will expand the efficacy of neuromodulation of CM in intractable epilepsy. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID245.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V18"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216415/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494473","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}
Hael Abdulrazeq, Josh Feler, Anna R Kimata, Wael F Asaad, Athar N Malik
{"title":"Robot-assisted, CT-guided placement of responsive neurostimulator system with bilateral centromedian thalamus depth electrodes for multifocal intractable epilepsy.","authors":"Hael Abdulrazeq, Josh Feler, Anna R Kimata, Wael F Asaad, Athar N Malik","doi":"10.3171/2024.4.FOCVID243","DOIUrl":"10.3171/2024.4.FOCVID243","url":null,"abstract":"<p><p>The responsive neurostimulator system has become increasingly popular in the surgical management of refractory epilepsy, with targeting of various thalamic nuclei showing promising results in select patients. A 42-year-old female presented for evaluation of refractory epilepsy consisting of generalized tonic-clonic and focal seizures with preserved awareness. Phase I and II monitoring suggested multifocal bilateral epilepsy with bilateral frontal onset, and the patient underwent robot-guided bilateral centromedian thalamic placement of the RNS System. In this operative video, the authors share their institutional experience and protocol utilizing the ExcelsiusGPS robot in the placement of the RNS System in the thalamus. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID243.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V17"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216424/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494476","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":"Robotic-guided radiofrequency ablative disconnection of hypothalamic hamartoma.","authors":"Ramesh Sharanappa Doddamani, Poodipedi Sarat Chandra, Ravichandra Kota, Nihal Ahemad, Manjari Tripathi","doi":"10.3171/2024.4.FOCVID2450","DOIUrl":"10.3171/2024.4.FOCVID2450","url":null,"abstract":"<p><p>Hypothalamic hamartomas (HHs) are benign masses, often associated with drug-refractory epilepsy (DRE). Open surgery as well as the endoscopic disconnection techniques are fraught with a high risk of morbidity and failure rates. The authors have been performing robotic-guided radiofrequency (RF) ablation for all types of HH presenting with DRE as a standard procedure at their institution. The authors have operated on 25 patients with HH using this technique over the last 8 years. This is a safe, effective, and minimally invasive technique. In this video article, the authors intend to demonstrate their technique of RF ablative disconnection under robotic guidance.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V19"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216425/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494477","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}
Sami Obaid, Albert Guillemette, Samuel Lapalme-Remis, Joseph Yuan-Mou Yang, Alexander G Weil, Alain Bouthillier
{"title":"Laser interstitial thermal therapy of a single nodule in a complex epileptic network with multiple periventricular nodular heterotopias.","authors":"Sami Obaid, Albert Guillemette, Samuel Lapalme-Remis, Joseph Yuan-Mou Yang, Alexander G Weil, Alain Bouthillier","doi":"10.3171/2024.4.FOCVID2417","DOIUrl":"10.3171/2024.4.FOCVID2417","url":null,"abstract":"<p><p>Surgical management of drug-resistant epilepsy (DRE) in patients with multiple periventricular nodular heterotopias (PVNHs) is challenging. Identifying the location of seizure onset within these complex epileptic networks is difficult, and open resection carries risks of injury to surrounding functional white matter tracts such as optic radiations (ORs). The authors demonstrate tractography-assisted laser ablation of a single nodule in a patient with DRE and multiple PVNHs. Following surgery, visual fields were intact, highlighting the benefits of OR tractographic reconstruction. At 12 months postoperatively, the patient remained seizure free, suggesting the potential efficacy of targeting a single heterotopia within complex networks in well-selected cases. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2417.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V15"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216539/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494471","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}
Yücel Doğruel, Serdar Rahmanov, Abuzer Güngör, Uğur Türe
{"title":"Selective amygdalohippocampectomy via the paramedian supracerebellar-transtentorial approach for mediobasal temporal epilepsy.","authors":"Yücel Doğruel, Serdar Rahmanov, Abuzer Güngör, Uğur Türe","doi":"10.3171/2024.4.FOCVID2447","DOIUrl":"10.3171/2024.4.FOCVID2447","url":null,"abstract":"<p><p>Selective amygdalohippocampectomy via the pterional transsylvian approach is a feasible option for many patients with mediobasal temporal epilepsy. However, it may be insufficient for patients when the posterior hippocampal region is involved. The paramedian supracerebellar transtentorial approach offers precise anatomical orientation when exposing the entire length of the mediobasal temporal region, including the fusiform gyrus. In addition, this approach allows selective amygdalohippocampectomy without any neocortical damage. This video presents the successful treatment of a patient with posterior hippocampal sclerosis and mediobasal temporal epilepsy through the paramedian supracerebellar transtentorial approach.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V11"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216538/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494478","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}
Nisha Giridharan, Collin W English, Marcus Wong, Howard L Weiner
{"title":"Subpial resection of epileptogenic tubers: operative nuances and lessons learned.","authors":"Nisha Giridharan, Collin W English, Marcus Wong, Howard L Weiner","doi":"10.3171/2024.4.FOCVID2411","DOIUrl":"10.3171/2024.4.FOCVID2411","url":null,"abstract":"<p><p>Tuberous sclerosis complex (TSC) is an autosomal dominant neurocutaneous disorder. Tubers of the central nervous system are a hallmark of the disorder and often cause epilepsy. Many TSC patients fail to achieve seizure control with medication alone. Several case series have demonstrated high seizure freedom rates after resective surgery. However, the technique for the resection of epileptogenic tubers has largely been unreported. Here the authors present 2 cases to illustrate their multistage approach for localizing and resecting the seizure onset zone in patients with TSC. At their institution, they have excellent seizure outcomes and a low complication rate with this technique. The video can be found here: https://stream.cadmore.media/r10.3171/2024.4.FOCVID2411.</p>","PeriodicalId":74299,"journal":{"name":"Neurosurgical focus: Video","volume":"11 1","pages":"V8"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11216422/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141494480","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}