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Jarod L. Roland, Syed Hassan A. Akbari, Afshin Salehi, and Matthew D. Smyth

Information Videos Video 1. . References 1 Abou-Al-Shaar H , Brock AA , Kundu B , Englot DJ , Rolston JD : Increased nationwide use of stereoencephalography for intracranial epilepsy electroencephalography recordings . J Clin Neurosci 53 : 132 – 134 , 2018 2 Asadi-Pooya AA , Sharan A , Nei M , Sperling MR : Corpus callosotomy . Epilepsy Behav 13 : 271 – 278 , 2008 3 Ball T , Sharma M , White AC , Neimat JS : Anterior corpus callosotomy using laser interstitial thermal therapy for refractory

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Atilio E. Palma, Robert T. Wicks, Gautam Popli, and Daniel E. Couture

invasive procedures performed using endoscopy or stereotactic radiation have been described. 8 , 17 Conceived in the 1980s, MR-guided laser interstitial thermal therapy (MRg-LITT), a common treatment for ablation of small (< 3 cm) tumors, has experienced increasing popularity for the treatment of focal epileptogenic lesions. 21 The advent of MRI thermography during the 1990s made MRg-LITT a conventional and useful treatment modality for a variety of pathologies. During the procedure, a lesion is localized using neuroimaging and neuronavigation techniques, and a

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Jonathan G. Thomas, Ganesh Rao, Yvonne Kew, and Sujit S. Prabhu

-called unresectable tumors can result in patient harm in terms of both function and overall survival. For these patients with GBMs that are not amenable to resection, a cytoreductive intervention that respects and preserves the eloquent areas of the brain may help close the gap in survival, bringing it closer in line with patients who can undergo resection. Laser interstitial thermal therapy (LITT) for percutaneous ablation of intracranial tumors has been explored since the late 1970s, but never received widespread adoption in clinical practice due to an inability to achieve

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Rachel Pruitt, Alexander Gamble, Karen Black, Michael Schulder, and Ashesh D. Mehta

H yperthermia as a tool in operative neurosurgery has a history going back several decades. 21 , 36 Lack of precision and uncertainty regarding the volumes and actual temperatures delivered has prevented this method from being widely accepted. Laser interstitial thermal therapy (LITT), first proposed in the 1980s, 1 has generated excitement recently in the neurosurgical community. It has been proposed as an ablative tool for patients with lesions when minimal invasiveness is desired. LITT uses MRI-compatible fibers that transmit laser energy and are

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Abdullah H. Feroze, Margaret McGrath, John R. Williams, Christopher C. Young, Chibawanye I. Ene, Robert T. Buckley, Bonnie L. Cole, Jeffrey G. Ojemann, and Jason S. Hauptman

intraventricular lesions . Neurosurg Focus 41 ( 4 ): E10 , 2016 4 Curry DJ , Gowda A , McNichols RJ , Wilfong AA : MR-guided stereotactic laser ablation of epileptogenic foci in children . Epilepsy Behav 24 : 408 – 414 , 2012 5 Dadey DY , Kamath AA , Leuthardt EC , Smyth MD : Laser interstitial thermal therapy for subependymal giant cell astrocytoma: technical case report . Neurosurg Focus 41 ( 4 ): E9 , 2016 6 Fayed I , Sacino MF , Gaillard WD , Keating RF , Oluigbo CO : MR-guided laser interstitial thermal therapy for

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David Y. A. Dadey, Ashwin A. Kamath, Eric C. Leuthardt, and Matthew D. Smyth

dissection required to access the deep location of SEGAs. This highlights a need for alternative, minimally invasive surgical strategies—a need that remains largely unmet due to the difficulty posed by the deep location of these tumors. 2 , 17 Laser interstitial thermal therapy (LITT) is a relatively new method of targeting such deep-seated lesions and has been successfully used for thermal ablation of tumors in several organ systems including the brain. 6 , 11 , 12 , 14 There are a limited number of reports that discuss the application of LITT to SEGAs. 15 Hence, in

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Brian J. Williams, Patrick J. Karas, Ganesh Rao, Laurence D. Rhines, and Claudio E. Tatsui

Presentation varies by location but symptoms are usually nonspecific. 2 Chordoma is a locally aggressive disease that uncommonly metastasizes. 1 Survival is dependent primarily on radical surgical excision. If there is residual disease or recurrence then focused, high-dose radiation is the treatment of choice. 7 There is no approved medical treatment for chordoma, thus metastases can present a clinical dilemma. 7 Given the palliative nature of treatment of chordoma metastases, open resection is not always feasible. Laser interstitial thermal therapy (LITT) is an emerging

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Zulma Tovar-Spinoza and Hoon Choi

M agnetic resonance–guided laser interstitial thermal therapy (MRgLITT) 5 , 8 , 9 has assumed an important role as a percutaneous minimally invasive alternative to conventional surgical interventions for brain tumors in adults; 2–5 , 10 , 12 , 16 , 20 , 21 , 24 , 26–28 , 33 however, publications describing its use in pediatric patients are scarce. 6 , 13 , 25 Laser interstitial thermal therapy is accomplished by using a high-power laser placed inside the tumor to deliver therapy. 17 , 18 , 24 It is hypothesized that this procedure achieves effective

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Elizabeth E. Ginalis and Shabbar F. Danish

This expanding geriatric population has led to an increase in surgical procedures in the elderly. 2 , 3 However, older age has been found to be a risk factor for surgery-related adverse events, worse outcomes, and postoperative mortality. 4–7 Additionally, these patients often present with a greater number of comorbidities, again resulting in a higher risk of postoperative complications. 3 , 4 Consequently, minimally invasive approaches, such as MR-guided laser interstitial thermal therapy (LITT), are attractive treatment options for geriatric patients, because

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Anthony M. Burrows, W. Richard Marsh, Gregory Worrell, David A. Woodrum, Bruce E. Pollock, Krzysztof R. Gorny, Joel P. Felmlee, Robert E. Watson, Timothy J. Kaufmann, Steven Goerss, and Jamie J. Van Gompel

treatment effect and lack of direct feedback during ablation, respectively. 18 However, some HHs are difficult to treat with these methods, and some patients have refractory epilepsy despite these treatments. Magnetic resonance imaging–guided laser interstitial thermal therapy (MRg-LITT) is a new option for the treatment of HH and offers the potential advantage of real-time imaging of direct thermal ablation. The US Food and Drug Administration recently approved the Visualase system (Medtronic) for real-time MRg-LITT in intracranial neurosurgery. We report our