1
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Yang Z, Zhao C, Zong S, Piao J, Zhao Y, Chen X. A review on surgical treatment options in gliomas. Front Oncol 2023; 13:1088484. [PMID: 37007123 PMCID: PMC10061125 DOI: 10.3389/fonc.2023.1088484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 02/24/2023] [Indexed: 03/17/2023] Open
Abstract
Gliomas are one of the most common primary central nervous system tumors, and surgical treatment remains the principal role in the management of any grade of gliomas. In this study, based on the introduction of gliomas, we review the novel surgical techniques and technologies in support of the extent of resection to achieve long-term disease control and summarize the findings on how to keep the balance between cytoreduction and neurological morbidity from a list of literature searched. With modern neurosurgical techniques, gliomas resection can be safely performed with low morbidity and extraordinary long-term functional outcomes.
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Affiliation(s)
- Zhongxi Yang
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Chen Zhao
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Shan Zong
- Department of Gynecology Oncology, The First Hospital of Jilin University, Jilin, China
| | - Jianmin Piao
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Yuhao Zhao
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Xuan Chen
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
- *Correspondence: Xuan Chen,
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2
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Mosteiro A, Di Somma A, Ramos PR, Ferrés A, De Rosa A, González-Ortiz S, Enseñat J, González JJ. Is intraoperative ultrasound more efficient than magnetic resonance in neurosurgical oncology? An exploratory cost-effectiveness analysis. Front Oncol 2022; 12:1016264. [PMID: 36387079 PMCID: PMC9650059 DOI: 10.3389/fonc.2022.1016264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/05/2022] [Indexed: 11/22/2022] Open
Abstract
Objective Intraoperative imaging is a chief asset in neurosurgical oncology, it improves the extent of resection and postoperative outcomes. Imaging devices have evolved considerably, in particular ultrasound (iUS) and magnetic resonance (iMR). Although iUS is regarded as a more economically convenient and yet effective asset, no formal comparison between the efficiency of iUS and iMR in neurosurgical oncology has been performed. Methods A cost-effectiveness analysis comparing two single-center prospectively collected surgical cohorts, classified according to the intraoperative imaging used. iMR (2013-2016) and iUS (2021-2022) groups comprised low- and high-grade gliomas, with a maximal safe resection intention. Units of health gain were gross total resection and equal or increased Karnofsky performance status. Surgical and health costs were considered for analysis. The incremental cost-effectiveness ratio (ICER) was calculated for the two intervention alternatives. The cost-utility graphic and the evolution of surgical duration with the gained experience were also analyzed. Results 50 patients followed an iMR-assisted operation, while 17 underwent an iUS-guided surgery. Gross total resection was achieved in 70% with iMR and in 60% with iUS. Median postoperative Karnofsky was similar in both group (KPS 90). Health costs were € 3,220 higher with iMR, and so were surgical-related costs (€ 1,976 higher). The ICER was € 322 per complete resection obtained with iMR, and € 644 per KPS gained or maintained with iMR. When only surgical-related costs were analyzed, ICER was € 198 per complete resection with iMR and € 395 per KPS gained or maintained. Conclusion This is an unprecedented but preliminary cost-effectiveness analysis of the two most common intraoperative imaging devices in neurosurgical oncology. iMR, although being costlier and time-consuming, seems cost-effective in terms of complete resection rates and postoperative performance status. However, the differences between both techniques are small. Possibly, iMR and iUS are complementary aids during the resection: iUS real-time images assist while advancing towards the tumor limits, informing about the distance to relevant landmarks and correcting neuronavigation inaccuracy due to brain shift. Yet, at the end of resection, it is the iMR that reliably corroborates whether residual tumor remains.
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Affiliation(s)
- Alejandra Mosteiro
- Department of Neurosurgery, Hospital Clínic de Barcelona, Barcelona, Spain
- Facultad de Medicina, Universitat de Barcelona, Barcelona, Spain
- *Correspondence: Alejandra Mosteiro,
| | - Alberto Di Somma
- Department of Neurosurgery, Hospital Clínic de Barcelona, Barcelona, Spain
- Facultad de Medicina, Universitat de Barcelona, Barcelona, Spain
| | - Pedro Roldán Ramos
- Department of Neurosurgery, Hospital Clínic de Barcelona, Barcelona, Spain
- Facultad de Medicina, Universitat de Barcelona, Barcelona, Spain
| | - Abel Ferrés
- Department of Neurosurgery, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Andrea De Rosa
- Division of Neurosurgery, Università degli Studi di Napoli “Federico II”, Naples, Italy
| | - Sofía González-Ortiz
- Division of Neurosurgery, Università degli Studi di Napoli “Federico II”, Naples, Italy
| | - Joaquim Enseñat
- Department of Neurosurgery, Hospital Clínic de Barcelona, Barcelona, Spain
- Facultad de Medicina, Universitat de Barcelona, Barcelona, Spain
| | - Jose Juan González
- Department of Neurosurgery, Hospital Clínic de Barcelona, Barcelona, Spain
- Facultad de Medicina, Universitat de Barcelona, Barcelona, Spain
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3
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Bunyaratavej K, Siwanuwatn R, Tuchinda L, Wangsawatwong P. Impact of Intraoperative Magnetic Resonance Imaging (i-MRI) on Surgeon Decision Making and Clinical Outcomes in Cranial Tumor Surgery. Asian J Neurosurg 2022; 17:218-226. [PMID: 36120606 PMCID: PMC9473858 DOI: 10.1055/s-0042-1751008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background
Although intraoperative magnetic resonance imaging (iMRI) has an established role in guiding intraoperative extent of resection (EOR) in cranial tumor surgery, the details of how iMRI data are used by the surgeon in the real-time decision-making process is lacking.
Materials and Methods
The authors retrospectively reviewed 40 consecutive patients who underwent cranial tumor resection with the guidance of iMRI. The tumor volumes were measured by volumetric software. Intraoperative and postoperative EOR were calculated and compared. Surgeon preoperative EOR intention, intraoperative EOR assessment, and how iMRI data impacted surgeon decisions were analyzed.
Results
The pathology consisted of 29 gliomas, 8 pituitary tumors, and 3 other tumors. Preoperative surgeon intention called for gross total resection (GTR) in 28 (70%) cases. After resection and before iMRI scanning, GTR was 20 (50.0%) cases based on the surgeon's perception. After iMRI scanning, the results helped identify 19 (47.5%) cases with unexpected results consisting of 5 (12.5%) with unexpected locations of residual tumors and 14 (35%) with unexpected EOR. Additional resection was performed in 24 (60%) cases after iMRI review, including 6 (15%) cases with expected iMRI results. Among 34 cases with postoperative MRI results, iMRI helped improve EOR in 12 (35.3%) cases.
Conclusion
In cranial tumor surgery, the surgeon's preoperative and intraoperative assessment is frequently imprecise. iMRI data serve several purposes, including identifying the presence of residual tumors, providing residual tumor locations, giving spatial relation data of the tumor with nearby eloquent structures, and updating the neuro-navigation system for the final stage of tumor resection.
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Affiliation(s)
- Krishnapundha Bunyaratavej
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Pathumwan, Bangkok, Thailand
| | - Rungsak Siwanuwatn
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Pathumwan, Bangkok, Thailand
| | - Lawan Tuchinda
- Department of Anesthesiology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Pathumwan, Bangkok, Thailand
| | - Piyanat Wangsawatwong
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Pathumwan, Bangkok, Thailand
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4
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Liu J, Chen H, Gao X, Cui M, Ma L, Zheng X, Guan B, Ma X. Surgical treatment of diffuse and multi-lobes involved glioma with the assistance of a multimodal technique. Sci Rep 2022; 12:3343. [PMID: 35228595 PMCID: PMC8885800 DOI: 10.1038/s41598-022-07287-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 02/14/2022] [Indexed: 12/05/2022] Open
Abstract
Diffuse and multi-lobes involved glioma (DMG) is a rare disease, and the aim of this study was to assess the role of multimodal-assisted surgical resection of tumours combined with chemoradiotherapy and identify prognosis. Clinical data were collected from 38 patients with a diagnosis of DMG. Nineteen patients received multimodal-assisted surgical resection of tumours combined with chemoradiotherapy, and another 19 patients underwent chemoradiotherapy alone after stereotactic puncture biopsy. The clinical characteristics, magnetic resonance imaging (MRI) findings, histopathological diagnosis, progression-free survival, and overall survival of DMG patients were retrospectively analysed. Twenty-six males and 12 females were included, and the age of the participants ranged from 10 to 80 years (46.34 ± 15.61). The median overall survival in our study was 25 months, and the progression-free survival was 17 months. The extent of resection was 50.10–73.60% (62.54% ± 7.92%). The preoperative and the postoperative KPS score of the patients in the operation group showed no statistically significant difference. The results of logistic regression demonstrated that overall survival was positively associated with operative treatment + chemoradiotherapy (p = 0.003) but negatively associated with age and corpus callosal involvement (p = 0.028 and 0.022, respectively). Kaplan–Meier analyses showed that those who underwent surgical treatment had a significant progression-free and overall survival benefit compared to those who did not undergo surgical treatment (log-rank test; p = 0.011 and 0.008, respectively). Older age and involvement of the corpus callosum represent a poor prognosis in DMG patients. Multimodal-assisted surgical resection of tumours combined with chemoradiotherapy might be a treatment option for DMG. Further research is needed to obtain the clear evidence of the effect of surgical treatment.
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5
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Kiesel B, Freund J, Reichert D, Wadiura L, Erkkilae MT, Woehrer A, Hervey-Jumper S, Berger MS, Widhalm G. 5-ALA in Suspected Low-Grade Gliomas: Current Role, Limitations, and New Approaches. Front Oncol 2021; 11:699301. [PMID: 34395266 PMCID: PMC8362830 DOI: 10.3389/fonc.2021.699301] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/19/2021] [Indexed: 11/13/2022] Open
Abstract
Radiologically suspected low-grade gliomas (LGG) represent a special challenge for the neurosurgeon during surgery due to their histopathological heterogeneity and indefinite tumor margin. Therefore, new techniques are required to overcome these current surgical drawbacks. Intraoperative visualization of brain tumors with assistance of 5-aminolevulinic acid (5-ALA) induced protoporphyrin IX (PpIX) fluorescence is one of the major advancements in the neurosurgical field in the last decades. Initially, this technique was exclusively applied for fluorescence-guided surgery of high-grade glioma (HGG). In the last years, the use of 5-ALA was also extended to other indications such as radiologically suspected LGG. Here, we discuss the current role of 5-ALA for intraoperative visualization of focal malignant transformation within suspected LGG. Furthermore, we discuss the current limitations of the 5-ALA technology in pure LGG which usually cannot be visualized by visible fluorescence. Finally, we introduce new approaches based on fluorescence technology for improved detection of pure LGG tissue such as spectroscopic PpIX quantification fluorescence lifetime imaging of PpIX and confocal microscopy to optimize surgery.
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Affiliation(s)
- Barbara Kiesel
- Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
| | - Julia Freund
- Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
| | - David Reichert
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria.,Christian Doppler Laboratory OPTRAMED, Medical University of Vienna, Vienna, Austria
| | - Lisa Wadiura
- Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
| | - Mikael T Erkkilae
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Adelheid Woehrer
- Department of Neurology, Institute for Neuropathology and Neurochemistry, Medical University of Vienna, Vienna, Austria
| | - Shawn Hervey-Jumper
- Department of Neurological Surgery, University of California San Francisco (UCSF), San Francisco, CA, United States
| | - Mitchel S Berger
- Department of Neurological Surgery, University of California San Francisco (UCSF), San Francisco, CA, United States
| | - Georg Widhalm
- Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
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6
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Avecillas-Chasin JM, Atik A, Mohammadi AM, Barnett GH. Laser thermal therapy in the management of high-grade gliomas. Int J Hyperthermia 2021; 37:44-52. [PMID: 32672121 DOI: 10.1080/02656736.2020.1767807] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Laser interstitial thermal therapy (LITT) is a minimally invasive therapy that have been used for brain tumors, epilepsy, chronic pain, and other spine pathologies. This therapy is performed under imaging and stereotactic guidance to precisely direct the probe and ablate the area of interest using real-time magnetic resonance (MR) thermography. LITT has gained popularity as a treatment for glioma because of its minimally invasive nature, small skin incision, repeatability, shorter hospital stay, and the possibility of receiving adjuvant therapy shortly after surgery instead of several weeks as required after open surgical resection. Several reports have demonstrated the usefulness of LITT in the treatment of newly-diagnosed and recurrent gliomas. In this review, we will summarize the recent evidence of this therapy in the field of glioma surgery and the future perspectives of the use of LITT combined with other treatment strategies for this devastating disease.
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Affiliation(s)
- Josue M Avecillas-Chasin
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA.,Rose Ella Burkhardt Brain Tumor and Neuro-Oncology Center, Cleveland Clinic, Cleveland, OH, USA.,Department of Neurosurgery, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ahmet Atik
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA.,Rose Ella Burkhardt Brain Tumor and Neuro-Oncology Center, Cleveland Clinic, Cleveland, OH, USA.,Department of Neurosurgery, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Alireza M Mohammadi
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA.,Rose Ella Burkhardt Brain Tumor and Neuro-Oncology Center, Cleveland Clinic, Cleveland, OH, USA.,Department of Neurosurgery, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Gene H Barnett
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA.,Rose Ella Burkhardt Brain Tumor and Neuro-Oncology Center, Cleveland Clinic, Cleveland, OH, USA.,Department of Neurosurgery, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
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7
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Microsurgical resection of fronto-temporo-insular gliomas in the non-dominant hemisphere, under general anesthesia using adjunct intraoperative MRI and no cortical and subcortical mapping: a series of 20 consecutive patients. Sci Rep 2021; 11:6994. [PMID: 33772073 PMCID: PMC7997967 DOI: 10.1038/s41598-021-86165-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 02/23/2021] [Indexed: 12/18/2022] Open
Abstract
Fronto-temporo-insular (FTI) gliomas continue to represent a surgical challenge despite numerous technical advances. Some authors advocate for surgery in awake condition even for non-dominant hemisphere FTI, due to risk of sociocognitive impairment. Here, we report outcomes in a series of patients operated using intraoperative magnetic resonance imaging (IoMRI) guided surgery under general anesthesia, using no cortical or subcortical mapping. We evaluated the extent of resection, functional and neuropsychological outcomes after IoMRI guided surgery under general anesthesia of FTI gliomas located in the non-dominant hemisphere. Twenty patients underwent FTI glioma resection using IoMRI in asleep condition. Seventeen tumors were de novo, three were recurrences. Tumor WHO grades were II:12, III:4, IV:4. Patients were evaluated before and after microsurgical resection, clinically, neuropsychologically (i.e., social cognition) and by volumetric MR measures (T1G+ for enhancing tumors, FLAIR for non-enhancing). Fourteen (70%) patients benefited from a second IoMRI. The median age was 33.5 years (range 24–56). Seizure was the inaugural symptom in 71% of patients. The median preoperative volume was 64.5 cm3 (min 9.9, max 211). Fourteen (70%) patients underwent two IoMRI. The final median EOR was 92% (range 69–100). The median postoperative residual tumor volume (RTV) was 4.3 cm3 (range 0–38.2). A vast majority of residual tumors were located in the posterior part of the insula. Early postoperative clinical events (during hospital stay) were three transient left hemiparesis (which lasted less than 48 h) and one prolonged left brachio-facial hemiparesis. Sixty percent of patients were free of any symptom at discharge. The median Karnofsky Performance Score was of 90 both at discharge and at 3 months. No significant neuropsychological impairment was reported, excepting empathy distinction in less than 40% of patients. After surgery, 45% of patients could go back to work. In our experience and using IoMRI as an adjunct, microsurgical resection of non-dominant FTI gliomas under general anesthesia is safe. Final median EOR was 92%, with a vast majority of residual tumors located in the posterior insular part. Patients experienced minor neurological and neuropsychological morbidity. Moreover, neuropsychological evaluation reported a high preservation of sociocognitive abilities. Solely empathy seemed to be impaired in some patients.
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8
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Orillac C, Stummer W, Orringer DA. Fluorescence Guidance and Intraoperative Adjuvants to Maximize Extent of Resection. Neurosurgery 2020; 89:727-736. [PMID: 33289518 DOI: 10.1093/neuros/nyaa475] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 08/23/2020] [Indexed: 12/27/2022] Open
Abstract
Safely maximizing extent of resection has become the central goal in glioma surgery. Especially in eloquent cortex, the goal of maximal resection is balanced with neurological risk. As new technologies emerge in the field of neurosurgery, the standards for maximal safe resection have been elevated. Fluorescence-guided surgery, intraoperative magnetic resonance imaging, and microscopic imaging methods are among the most well-validated tools available to enhance the level of accuracy and safety in glioma surgery. Each technology uses a different characteristic of glioma tissue to identify and differentiate tumor tissue from normal brain and is most effective in the context of anatomic, connectomic, and neurophysiologic context. While each tool is able to enhance resection, multiple modalities are often used in conjunction to achieve maximal safe resection. This paper reviews the mechanism and utility of the major adjuncts available for use in glioma surgery, especially in tumors within eloquent areas, and puts forth the foundation for a unified approach to how leverage currently available technology to ensure maximal safe resection.
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Affiliation(s)
- Cordelia Orillac
- Department of Neurosurgery, NYU Langone Health, New York, New York
| | - Walter Stummer
- Department of Neurosurgery, University Hospital Münster, Münster, Germany
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9
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Intraoperative MRI guidance for right deep fronto-temporal glioma resection: how I do it. Acta Neurochir (Wien) 2020; 162:3037-3041. [PMID: 32613376 DOI: 10.1007/s00701-020-04474-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 06/24/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND For glial tumor management, the extent of resection (EOR) is the key to enhance tumor control and improve patient outcomes. Intraoperative MRI (IoMRI) neuronavigated microsurgery emerged as a useful neuroimaging tool for performing optimal and safe tumor resection. METHOD Here, we present the different steps of the microsurgical resection of a challenging deeply located right fronto-temporal glioma, using intraoperative MRI in an integrated IoMRI imaging platform. CONCLUSION Intraoperative MRI neuronavigated microsurgery helps to enhance the tumor resection, while reducing unintended area damages. The use of IoMRI fosters a "staged volume resection," to keep safe, taking into account the progressive intraoperative brain shift.
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10
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Nabors LB, Portnow J, Ahluwalia M, Baehring J, Brem H, Brem S, Butowski N, Campian JL, Clark SW, Fabiano AJ, Forsyth P, Hattangadi-Gluth J, Holdhoff M, Horbinski C, Junck L, Kaley T, Kumthekar P, Loeffler JS, Mrugala MM, Nagpal S, Pandey M, Parney I, Peters K, Puduvalli VK, Robins I, Rockhill J, Rusthoven C, Shonka N, Shrieve DC, Swinnen LJ, Weiss S, Wen PY, Willmarth NE, Bergman MA, Darlow SD. Central Nervous System Cancers, Version 3.2020, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw 2020; 18:1537-1570. [PMID: 33152694 DOI: 10.6004/jnccn.2020.0052] [Citation(s) in RCA: 230] [Impact Index Per Article: 57.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The NCCN Guidelines for Central Nervous System (CNS) Cancers focus on management of adult CNS cancers ranging from noninvasive and surgically curable pilocytic astrocytomas to metastatic brain disease. The involvement of an interdisciplinary team, including neurosurgeons, radiation therapists, oncologists, neurologists, and neuroradiologists, is a key factor in the appropriate management of CNS cancers. Integrated histopathologic and molecular characterization of brain tumors such as gliomas should be standard practice. This article describes NCCN Guidelines recommendations for WHO grade I, II, III, and IV gliomas. Treatment of brain metastases, the most common intracranial tumors in adults, is also described.
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Affiliation(s)
| | | | - Manmeet Ahluwalia
- 3Case Comprehensive Cancer Center/University Hospitals Seidman Cancer Center and Cleveland Clinic Taussig Cancer Institute
| | | | - Henry Brem
- 5The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
| | - Steven Brem
- 6Abramson Cancer Center at the University of Pennsylvania
| | | | - Jian L Campian
- 8Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine
| | | | | | | | | | | | - Craig Horbinski
- 13Robert H. Lurie Comprehensive Cancer Center of Northwestern University
| | - Larry Junck
- 14University of Michigan Rogel Cancer Center
| | | | - Priya Kumthekar
- 13Robert H. Lurie Comprehensive Cancer Center of Northwestern University
| | | | | | | | - Manjari Pandey
- 19St. Jude Children's Research Hospital/The University of Tennessee Health Science Center
| | | | | | - Vinay K Puduvalli
- 21The Ohio State University Comprehensive Cancer Center - James Cancer Hospital and Solove Research Institute
| | - Ian Robins
- 22University of Wisconsin Carbone Cancer Center
| | - Jason Rockhill
- 23Fred Hutchinson Cancer Research Center/Seattle Cancer Care Alliance
| | | | | | | | - Lode J Swinnen
- 5The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
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Schiff D, Van den Bent M, Vogelbaum MA, Wick W, Miller CR, Taphoorn M, Pope W, Brown PD, Platten M, Jalali R, Armstrong T, Wen PY. Recent developments and future directions in adult lower-grade gliomas: Society for Neuro-Oncology (SNO) and European Association of Neuro-Oncology (EANO) consensus. Neuro Oncol 2020; 21:837-853. [PMID: 30753579 DOI: 10.1093/neuonc/noz033] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The finding that most grades II and III gliomas harbor isocitrate dehydrogenase (IDH) mutations conveying a relatively favorable and fairly similar prognosis in both tumor grades highlights that these tumors represent a fundamentally different entity from IDH wild-type gliomas exemplified in most glioblastoma. Herein we review the most recent developments in molecular neuropathology leading to reclassification of these tumors based upon IDH and 1p/19q status, as well as the potential roles of methylation profiling and deletional analysis of cyclin-dependent kinase inhibitor 2A and 2B. We discuss the epidemiology, clinical manifestations, benefit of surgical resection, and neuroimaging features of lower-grade gliomas as they relate to molecular subtype, including advanced imaging techniques such as 2-hydroxyglutarate magnetic resonance spectroscopy and amino acid PET scanning. Recent, ongoing, and planned studies of radiation therapy and both cytotoxic and targeted chemotherapies are summarized, including both small molecule and immunotherapy approaches specifically targeting the mutant IDH protein.
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Affiliation(s)
- David Schiff
- Department of Neurology, University of Virginia, Charlottesville, Virginia
| | - Martin Van den Bent
- Department of Neurology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | | | - Wolfgang Wick
- Divison of Neuro-Oncology, German Cancer Research Center, Heidelberg, Germany
| | - C Ryan Miller
- Pathology and Lab Medicine, University of North Carolina, Chapel Hill, North Carolina
| | - Martin Taphoorn
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands
| | - Whitney Pope
- Section of Neuroradiology, UCLA, Los Angeles, California
| | - Paul D Brown
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
| | - Michael Platten
- Department of Neurology, Mannheim University Hospital, Mannheim, Germany
| | | | - Terri Armstrong
- Neuro-Oncology Branch, National Institute of Health, Bethesda, Maryland
| | - Patrick Y Wen
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
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12
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Akbari SHA, Sylvester PT, Kulwin C, Shah MV, Somasundaram A, Kamath AA, Beaumont TL, Rich KM, Chicoine MR. Initial Experience Using Intraoperative Magnetic Resonance Imaging During a Trans-Sulcal Tubular Retractor Approach for the Resection of Deep-Seated Brain Tumors: A Case Series. Oper Neurosurg (Hagerstown) 2020; 16:292-301. [PMID: 29850853 DOI: 10.1093/ons/opy108] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 04/12/2018] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Treatment of deep-seated subcortical intrinsic brain tumors remains challenging and may be improved with trans-sulcal tubular brain retraction techniques coupled with intraoperative magnetic resonance imaging (iMRI). OBJECTIVE To conduct a preliminary assessment of feasibility and efficacy of iMRI in tubular retractor-guided resections of intrinsic brain tumors. METHODS Assessment of this technique and impact upon outcomes were assessed in a preliminary series of brain tumor patients from 2 centers. RESULTS Ten patients underwent resection with a tubular retractor system and iMRI. Mean age was 53.2 ± 9.0 yr (range: 37-61 yr, 80% male). Lesions included 6 gliomas (3 glioblastomas, 1 recurrent anaplastic astrocytoma, and 2 low-grade gliomas) and 4 brain metastases (1 renal cell, 1 breast, 1 lung, and 1 melanoma). Mean maximal tumor diameter was 2.9 ± 0.95 cm (range 1.2-4.3 cm). The iMRI demonstrated subtotal resection (STR) in 6 of 10 cases (60%); additional resection was performed in 5 of 6 cases (83%), reducing STR rate to 2 of 10 cases (20%), with both having tumor encroaching on eloquent structures. Seven patients (70%) were stable or improved neurologically immediately postoperatively. Three patients (30%) had new postoperative neurological deficits, 2 of which were transient. Average hospital length of stay was 3.4 ± 2.0 d (range: 1-7 d). CONCLUSION Combining iMRI with tubular brain retraction techniques is feasible and may improve the extent of resection of deep-seated intrinsic brain tumors that are incompletely visualized with the smaller surgical exposure of tubular retractors.
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Affiliation(s)
- S Hassan A Akbari
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Peter T Sylvester
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Charles Kulwin
- Department of Neurological Surgery, Indiana University-Purdue University, Indianapolis, Indiana
| | - Mitesh V Shah
- Department of Neurological Surgery, Indiana University-Purdue University, Indianapolis, Indiana
| | - Aravind Somasundaram
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Ashwin A Kamath
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Thomas L Beaumont
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Keith M Rich
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Michael R Chicoine
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri
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Verburg N, de Witt Hamer PC. State-of-the-art imaging for glioma surgery. Neurosurg Rev 2020; 44:1331-1343. [PMID: 32607869 PMCID: PMC8121714 DOI: 10.1007/s10143-020-01337-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/25/2020] [Accepted: 06/15/2020] [Indexed: 11/29/2022]
Abstract
Diffuse gliomas are infiltrative primary brain tumors with a poor prognosis despite multimodal treatment. Maximum safe resection is recommended whenever feasible. The extent of resection (EOR) is positively correlated with survival. Identification of glioma tissue during surgery is difficult due to its diffuse nature. Therefore, glioma resection is imaging-guided, making the choice for imaging technique an important aspect of glioma surgery. The current standard for resection guidance in non-enhancing gliomas is T2 weighted or T2w-fluid attenuation inversion recovery magnetic resonance imaging (MRI), and in enhancing gliomas T1-weighted MRI with a gadolinium-based contrast agent. Other MRI sequences, like magnetic resonance spectroscopy, imaging modalities, such as positron emission tomography, as well as intraoperative imaging techniques, including the use of fluorescence, are also available for the guidance of glioma resection. The neurosurgeon’s goal is to find the balance between maximizing the EOR and preserving brain functions since surgery-induced neurological deficits result in lower quality of life and shortened survival. This requires localization of important brain functions and white matter tracts to aid the pre-operative planning and surgical decision-making. Visualization of brain functions and white matter tracts is possible with functional MRI, diffusion tensor imaging, magnetoencephalography, and navigated transcranial magnetic stimulation. In this review, we discuss the current available imaging techniques for the guidance of glioma resection and the localization of brain functions and white matter tracts.
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Affiliation(s)
- Niels Verburg
- Department of Neurosurgery and Cancer Center Amsterdam, Amsterdam UMC location VU University Medical Center, Amsterdam, The Netherlands. .,Division of Neurosurgery, Department of Clinical Neurosciences, Cambridge Brain Tumor Imaging Laboratory, University of Cambridge, Addenbrooke's Hospital, Hill Rd, Cambridge, CB2 0QQ, UK.
| | - Philip C de Witt Hamer
- Department of Neurosurgery and Cancer Center Amsterdam, Amsterdam UMC location VU University Medical Center, Amsterdam, The Netherlands
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Dimou J, Kelly J. The biological and clinical basis for early referral of low grade glioma patients to a surgical neuro-oncologist. J Clin Neurosci 2020; 78:20-29. [PMID: 32381393 DOI: 10.1016/j.jocn.2020.04.119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 03/24/2020] [Accepted: 04/26/2020] [Indexed: 12/15/2022]
Abstract
The discovery of IDH1/2 (isocitrate dehydrogenase) mutation in large scale, genomewide mutational analyses of gliomas has led to profound developments in understanding tumourigenesis, and restructuring of the classification of both high and low grade gliomas. Owing to this progress made in the recognition of molecular markers which predict tumour behavior and treatment response, the increasing importance of adjuvant treatments such as chemo- and radiotherapy, and the tremendous advances in surgical technique and intraoperative monitoring which have facilitated superior extents of resection whilst preserving neurological functioning and quality of life, contemporary management of low grade glioma (LGG) has switched from a passive, observant approach to a more active, interventional one. Furthermore, this has implications for the manner in which patients with incidentally discovered and/or asymptomatic LGG are managed, and this review of the biological behaviour of LGG, as well as its clinical investigation and management, should act as a timely reminder to all clinicians of the importance of referring LGG patients early to a surgical neuro-oncologist who is not only familiar and acquainted with the vagaries of this disease process, but who, in addition, is devoted to delivering care to these patients with the support of a multi-disciplinary clinical decision-making unit, comprising medical neuro-oncologists, radiation oncologists and allied health professionals.
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Affiliation(s)
- James Dimou
- Department of Neurosurgery, University of Calgary, Alberta, Canada.
| | - John Kelly
- Department of Neurosurgery, University of Calgary, Alberta, Canada
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15
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Yang X, Lin Y. Surgical resection of glioma involving eloquent brain areas: Tumor boundary, functional boundary, and plasticity consideration. GLIOMA 2020. [DOI: 10.4103/glioma.glioma_16_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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16
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High-field intraoperative MRI and glioma surgery: results after the first 100 consecutive patients. Acta Neurochir (Wien) 2019; 161:1467-1474. [PMID: 31073784 DOI: 10.1007/s00701-019-03920-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Accepted: 04/18/2019] [Indexed: 10/26/2022]
Abstract
BACKGROUND High-field intraoperative MRI (IoMRI) is part of the neurosurgical armamentarium to improve the extent of glioma resection (EOR). OBJECTIVE To report our oncological and functional outcomes using IoMRI for neuronavigated glioma surgery. METHODS In this prospective monocentric study, we reported 100 consecutive adult patients operated on for glioma using IoMRI with neuronavigation, under general anesthesia without intraoperative stimulation, from July 2014 to April 2017. The volumetric evaluation was based on the FLAIR hypersignal for non-enhancing tumors after Gadolinium infusion and on the T1 hypersignal after Gadolinium infusion for enhancing tumors. We evaluated the surgical workflow, the EOR and the clinical outcomes (using Karnofsky performance score (KPS)). RESULTS Sixty-nine patients underwent one IoMRI, and 31 from two IoMRI controls. At first IoMRI, the median tumor residue was higher in the FLAIR group than in the T1G+ group whereas no more difference was reported after the second IoMRI between the 2 groups (p = 0.56). Additional resection was performed 6 times more frequently in the FLAIR group (OR = 5.7, CI (1.9-17)). The median EOR was 100% (IQR, 93.6-100) whatever the tumor type (first surgery or recurrence) and location. Higher residues were reported only in the insula area (p = 0.004). The median KPS was 90 (IQR, 80-100) at discharge, 3, 6 and 12 months after surgery, with no statistical difference between low- and high-grade gliomas (p = 0.34). CONCLUSION IoMRI neuronavigated surgery provided maximal EOR whatever the type of glioma and location. IoMRI was all the more useful for non- or minimally enhancing tumors. The step by step surgical resection, introducing the concept of "staged volume" surgery, ensured a high security for the surgeon and low permanent morbidity for the patients.
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Abstract
BACKGROUND Emerging evidence suggests survival benefit from resection beyond all MRI abnormalities present on T1-enhanced and T2‒fluid attenuated inversion recovery (FLAIR) modalities in glioma (supratotal resection); however, the quality of evidence is unclear. We addressed this question via systematic review of the literature. METHODS EMBASE, MEDLINE, Scopus, and Web of Science databases were queried. Case studies, reviews or editorials, non-English, abstract-only, brain metastases, and descriptive works were excluded. All others were included. RESULTS Three hundred and nine unique references yielded 41 studies for full-text review, with 7 included in the final analysis. Studies were mostly of Oxford Center for Evidence-Based Medicine Level 4 quality. A total of 88 patients underwent supratotal resection in a combined cohort of 492 patients (214 males and 278 females, age 18 to 82 years). Fifty-one supratotal resections were conducted on high-grade gliomas, and 37 on low-grade gliomas. Karnofsky performance status, overall survival, progression-free survival, neurological deficits postoperatively, and anaplastic transformation were the main measured outcomes. No randomized controlled trials were identified. Preliminary low-quality support was found for supratotal resection in increasing overall survival and progression-free survival for both low-grade and high-grade glioma. CONCLUSION The literature suggests insufficient evidence for carte blanche application of supratotal resection, particularly in lower-grade gliomas where neurological deficits can result in long-term disability. While the preliminary studies discussed here, containing data from only a few centers, have reported increased progression-free and overall survival, these claims require validation in prospective research studies involving larger patient populations with clearly defined appropriate outcome metrics in order to reduce potential bias.
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Affiliation(s)
| | - Michael A Vogelbaum
- Brain Tumor and NeuroOncology Center and Department of Neurosurgery, Cleveland Clinic, Cleveland, Ohio
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Moiyadi AV, Shetty P, John R. Non-enhancing gliomas: does intraoperative ultrasonography improve resections? Ultrasonography 2018; 38:156-165. [PMID: 30343559 PMCID: PMC6443592 DOI: 10.14366/usg.18032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 07/29/2018] [Indexed: 11/03/2022] Open
Abstract
PURPOSE Non-enhancing diffuse gliomas are a challenging surgical proposition. Delineation of tumour extent on preoperative imaging and intraoperative visualization are often difficult. METHODS We retrospectively analyzed all cases of non-enhancing gliomas that were operated on using navigated 3-dimensional ultrasonography (US). Tumour delineation (good, moderate, or poor) on preoperative magnetic resonance imaging (MRI) and intraoperative US was compared. Post-resection US findings with respect to residual tumour status were compared to the postoperative imaging findings. The extent of resection was calculated and recorded. RESULTS There were 55 gliomas (43 high-grade, 12 low-grade). Forty were close to eloquent areas. The pre-resection concordance of MRI with US was 56%, with US defining more tumours as well-delineated (n=26) than MRI (n=13). US was used for resection control in 50 cases. Gross tumour resection was achieved in 24 cases (51%). US correctly predicted the residual tumour status in 78% of cases. The use of US led to radical resections even in some tumours preoperatively deemed to be unresectable. However, eloquent location was the only independent predictor of the extent of resection. CONCLUSION Intraoperative US is a useful tool for guiding resection of non-enhancing gliomas. It may be better than MRI for delineating these tumours, and may thereby facilitate improved resection of these otherwise poorly delineated tumours. However, functional boundaries remain the main limiting factor for achieving complete resection of non-enhancing gliomas.
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Affiliation(s)
- Aliasgar V Moiyadi
- Division of Neurosurgery, Department of Surgical Oncology, Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, India
| | - Prakash Shetty
- Division of Neurosurgery, Department of Surgical Oncology, Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, India
| | - Robin John
- Division of Neurosurgery, Department of Surgical Oncology, Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, India
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Leroy HA, Delmaire C, Le Rhun E, Drumez E, Lejeune JP, Reyns N. High-field intraoperative MRI in glioma surgery: A prospective study with volumetric analysis of extent of resection and functional outcome. Neurochirurgie 2018; 64:155-160. [PMID: 29754739 DOI: 10.1016/j.neuchi.2018.02.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 01/14/2018] [Accepted: 02/17/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND High-field intraoperative MRI (IoMRI) is a useful tool to improve the extent of glioma resection (EOR). OBJECTIVE To compare the interest of 1.5T IoMRI in glioma surgery between enhancing and non-enhancing tumors, based on volumetric analysis. METHODS A prospective single-center study included consecutive adult patients undergoing glioma surgery with IoMRI. Volumetric evaluation was based on FLAIR hypersignal after gadolinium injection in non-enhancing tumors and T1 hypersignal after gadolinium injection in enhancing tumors. Endpoints comprised: residual tumor volume (RTV), EOR, workflow and clinical outcome on Karnofsky performance score (KPS). RESULTS Fifty-three surgeries were performed from July 2014 to January 2016. Thirty-four patients underwent one IoMRI, and 19 two IoMRIs. In non-enhancing tumors, intraoperative RTV on 1st IoMRI T2/FLAIR was higher than in enhancing tumors on T1 sequences (7.25cm3 vs. 0.74cm3, respectively; P=0.008), whereas the RTV on 2nd IoMRIs and final RTV were no longer significantly different. After IoMRI, 72% of patients underwent additional resection. In non-enhancing tumors, EOR increased from 77.3% on 1st IoMRI to 97.4% on last MRI (P<0.001). Taking all tumors together, final RTV values were: median=0cm3, mean=3.9cm3. Mean final EOR was 94%. In 25% of patients, KPS was reduced during early postoperative course; at 3 and 6 months postoperatively, median KPS was 90. CONCLUSION Intraoperative MRI guidance significantly enhanced the extent of glioma resection, especially for non- or minimally enhancing tumors, while preserving patient autonomy.
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Affiliation(s)
- H-A Leroy
- Department of Neurosurgery and Neuro-Oncology, CHU de Lille, 59000 Lille, France; Inserm, U1189 - ONCO-THAI - Image-Assisted Laser Therapy for Oncology, University Lille, CHU de Lille, 59000 Lille, France.
| | - C Delmaire
- Department of Radiology, CHU de Lille, 59000 Lille, France
| | - E Le Rhun
- Department of Neurosurgery and Neuro-Oncology, CHU de Lille, 59000 Lille, France
| | - E Drumez
- EA 2694-santé publique : epidémiologie et qualité des soins, Department of Biostatistics, CHU de Lille, University Lille, 59000 Lille, France
| | - J-P Lejeune
- Department of Neurosurgery and Neuro-Oncology, CHU de Lille, 59000 Lille, France
| | - N Reyns
- Department of Neurosurgery and Neuro-Oncology, CHU de Lille, 59000 Lille, France; Inserm, U1189 - ONCO-THAI - Image-Assisted Laser Therapy for Oncology, University Lille, CHU de Lille, 59000 Lille, France
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Abstract
Detailed brain imaging studies discover gliomas incidentally before clinical symptoms or signs show. These tumors represent an early stage in the natural history of gliomas. Left untreated, they are likely to progress to a symptomatic stage and transform to malignant gliomas. A greater extent of resection delays the onset of malignant transformation and prolongs patient survival. Because incidental gliomas are typically smaller and less likely to be in eloquent brain locations, there is a strong case for early surgical intervention to maximize resection and improve outcomes. This article discusses developments in the surgical management of low-grade gliomas.
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Affiliation(s)
- Imran Noorani
- Department of Neurological Surgery, Barrow Neurological Institute, Saint Joseph's Hospital and Medical Center, 350 W Thomas Rd, Phoenix, AZ 85013, USA; Department of Neurosurgery, Addenbrooke's Hospital, Hills Rd, Cambridge CB2 0QQ, UK
| | - Nader Sanai
- Department of Neurological Surgery, Barrow Neurological Institute, Saint Joseph's Hospital and Medical Center, 350 W Thomas Rd, Phoenix, AZ 85013, USA.
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22
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Fujii Y, Muragaki Y, Maruyama T, Nitta M, Saito T, Ikuta S, Iseki H, Hongo K, Kawamata T. Threshold of the extent of resection for WHO Grade III gliomas: retrospective volumetric analysis of 122 cases using intraoperative MRI. J Neurosurg 2017; 129:1-9. [PMID: 28885120 DOI: 10.3171/2017.3.jns162383] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
OBJECTIVE WHO Grade III gliomas are relatively rare and treated with multiple modalities such as surgery, chemotherapy, and radiotherapy. The impact of the extent of resection (EOR) on improving survival in patients with this tumor type is unclear. Moreover, because of the heterogeneous radiological appearance of Grade III gliomas, the MRI sequence that best correlates with tumor volume is unknown. In the present retrospective study, the authors evaluated the prognostic significance of EOR. METHODS Clinical and radiological data from 122 patients with newly diagnosed WHO Grade III gliomas who had undergone intraoperative MRI-guided resection at a single institution between March 2000 and December 2011 were analyzed retrospectively. Patients were divided into 2 groups by histological subtype: 81 patients had anaplastic astrocytoma (AA) or anaplastic oligoastrocytoma (AOA), and 41 patients had anaplastic oligodendroglioma (AO). EOR was calculated using pre- and postoperative T2-weighted and contrast-enhanced T1-weighted MR images. Univariate and multivariate analyses were performed to evaluate the prognostic significance of EOR on overall survival (OS). RESULTS The 5-, 8-, and 10-year OS rates for all patients were 74.28%, 70.59%, and 65.88%, respectively. The 5- and 8-year OS rates for patients with AA and AOA were 72.2% and 67.2%, respectively, and the 10-year OS rate was 62.0%. On the other hand, the 5- and 8-year OS rates for patients with AO were 79.0% and 79.0%; the 10-year OS rate is not yet available. The median pre- and postoperative T2-weighted high-signal intensity volumes were 56.1 cm3 (range 1.3-268 cm3) and 5.9 cm3 (range 0-180 cm3), respectively. The median EOR of T2-weighted high-signal intensity lesions (T2-EOR) and contrast-enhanced T1-weighted lesions were 88.8% (range 0.3%-100%) and 100% (range 34.0%-100%), respectively. A significant survival advantage was associated with resection of 53% or more of the preoperative T2-weighted high-signal intensity volume in patients with AA and AOA, but not in patients with AO. Univariate analysis showed that preoperative Karnofsky Performance Scale score (p = 0.0019), isocitrate dehydrogenase 1 ( IDH1) mutation (p = 0.0008), and T2-EOR (p = 0.0208) were significant prognostic factors for survival in patients with AA and AOA. Multivariate analysis demonstrated that T2-EOR (HR 3.28; 95% CI 1.22-8.81; p = 0.0192) and IDH1 mutation (HR 3.90; 95% CI 1.53-10.75; p = 0.0044) were predictive of survival in patients with AA and AOA. CONCLUSIONS T2-EOR was one of the most important prognostic factors for patients with AA and AOA. A significant survival advantage was associated with resection of 53% or more of the preoperative T2-weighted high-signal intensity volume in patients with AA and AOA.
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Affiliation(s)
- Yu Fujii
- 1Department of Neurosurgery and.,3Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yoshihiro Muragaki
- 1Department of Neurosurgery and.,2Faculty of Advanced Techno-Surgery, Institute of Advanced Biomedical Engineering and Science, Graduate School of Medicine, Tokyo Women's Medical University, Tokyo; and
| | - Takashi Maruyama
- 1Department of Neurosurgery and.,2Faculty of Advanced Techno-Surgery, Institute of Advanced Biomedical Engineering and Science, Graduate School of Medicine, Tokyo Women's Medical University, Tokyo; and
| | - Masayuki Nitta
- 1Department of Neurosurgery and.,2Faculty of Advanced Techno-Surgery, Institute of Advanced Biomedical Engineering and Science, Graduate School of Medicine, Tokyo Women's Medical University, Tokyo; and
| | | | - Soko Ikuta
- 2Faculty of Advanced Techno-Surgery, Institute of Advanced Biomedical Engineering and Science, Graduate School of Medicine, Tokyo Women's Medical University, Tokyo; and
| | - Hiroshi Iseki
- 2Faculty of Advanced Techno-Surgery, Institute of Advanced Biomedical Engineering and Science, Graduate School of Medicine, Tokyo Women's Medical University, Tokyo; and
| | - Kazuhiro Hongo
- 3Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
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Abstract
Maximal safe resection is the cornerstone of treatment for low-grade and high-grade gliomas. In addition to high-resolution anatomic MRI studies that highlight tumor architecture, it is important to determine the relationship of the tumor to the eloquent cortical and subcortical areas to avoid introducing or exacerbating a neurologic deficit. The goal of this review was to highlight imaging modalities that provide functional information and can be integrated with intraoperative MRI navigation to maximize the extent of resection while preserving a patient's neurologic function.
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Yue Q, Gao X, Yu Y, Li Y, Hua W, Fan K, Zhang R, Qian J, Chen L, Li C, Mao Y. An EGFRvIII targeted dual-modal gold nanoprobe for imaging-guided brain tumor surgery. NANOSCALE 2017; 9:7930-7940. [PMID: 28569328 DOI: 10.1039/c7nr01077j] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Surgery is a mainstay to treat malignant brain tumors. However, due to the infiltrative nature of these tumors, it is a great challenge for surgeons to accurately identify and excise all the tumor foci. EGFRvIII, a variant of epidermal growth factor receptor (EGFR), is found in 20% of glioblastoma cases, which is the brain tumor with the highest malignancy. In this study, we developed an EGFRvIII-targeted nanoprobe to guide glioblastoma surgery by pre-operatively defining the tumor boundary via magnetic resonance imaging (MRI) and intra-operatively guiding resection by surface-enhanced resonance Raman scattering (SERRS) imaging. In vivo MRI studies show that this nanoprobe delineates an orthotopic EGFRvIII+ U87MG glioblastoma xenograft with a higher target to background ratio than the control nanoprobe without targeting specificity. With the assistance of a handheld Raman scanner, this nanoprobe successfully guided EGFRvIII+ glioblastoma resection by tracking its characteristic SERRS signal peaks. Ex vivo Raman microscopy and histological images verified that this nanoprobe precisely demarcated the glioblastoma boundary and no residual neoplastic foci were observed in the tumor bed. This dual-modal nanoprobe not only precisely guided glioblastoma resection, but also overcame the brain shift induced false-positive signal by real-timely co-registering pre-operative and intra-operative images. This nanoprobe is promising for the improvement in diagnostic accuracy and surgical outcome of EGFRvIII+ glioblastoma.
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Affiliation(s)
- Qi Yue
- Department of Neurosurgery, Huashan Hospital, Fudan University, 12 Middle Wulumuqi Road, Shanghai 200040, China.
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Reyns N, Leroy HA, Delmaire C, Derre B, Le-Rhun E, Lejeune JP. Intraoperative MRI for the management of brain lesions adjacent to eloquent areas. Neurochirurgie 2017; 63:181-188. [PMID: 28571707 DOI: 10.1016/j.neuchi.2016.12.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Revised: 09/17/2016] [Accepted: 12/04/2016] [Indexed: 11/26/2022]
Abstract
BACKGROUND The aim of our study was to report the usefulness of intraoperative MRI guidance in the resection of brain lesions adjacent to eloquent areas. PATIENTS AND METHODS A single center prospective series of gliomas amenable to optimized resection with intraoperative MRI between September 2014 and December 2015. RESULTS The study included 56 patients. The median duration of the first intraoperative MRI was 38min, interquartile range (IQR 30-46). Fourteen patients (40%) underwent a second intraoperative MRI, which had a median duration of 26min (IQR, 18-30). The median total operative time was 265min (IQR, 242-337). After the first intraoperative MRI, the median residual glioma volume of the 35 gliomas adjacent to eloquent areas was 7.04cm3 (IQR, 2.22-13.8), which did not significantly differ from the other gliomas (P=0.07). After the second intraoperative MRI, the median residual glioma volume was 3.86cm3 (IQR, 0.82-6.99), which did not significantly differ from the other patients (P=0.700). On the postoperative MRI, the median extent of the glioma resections adjacent to eloquent areas was 99.78% (IQR, 88.9-100), which was not significantly different from the rest of the population (P=0.290). At 6 months after surgery, the median Karnofsky Performance Score was 90, and 2.8% of the patients presented a permanent new neurological deficit. CONCLUSION Our results suggest that intraoperative MRI is an effective and safe technique to improve the extent of brain lesion resections close to eloquent areas.
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Affiliation(s)
- N Reyns
- Inserm U1189, Onco-Thai - Image Assisted Laser Therapy for Oncology, University of Lille, 59000 Lille, France; Department of Neurosurgery, CHU de Lille, 59000 Lille, France.
| | - H-A Leroy
- Department of Neurosurgery, CHU de Lille, 59000 Lille, France
| | - C Delmaire
- Department of Radiology, CHU de Lille, 59000 Lille, France
| | - B Derre
- Department of Neurosurgery, CHU de Lille, 59000 Lille, France; Department of Radiology, CHU de Lille, 59000 Lille, France
| | - E Le-Rhun
- Department of Neuro-oncology, CHU de Lille, 59000 Lille, France
| | - J-P Lejeune
- Inserm U1189, Onco-Thai - Image Assisted Laser Therapy for Oncology, University of Lille, 59000 Lille, France; Department of Neurosurgery, CHU de Lille, 59000 Lille, France
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26
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Burks JD, Conner AK, Bonney PA, Glenn CA, Smitherman AD, Ghafil CA, Briggs RG, Baker CM, Kirch NI, Sughrue ME. Frontal Keyhole Craniotomy for Resection of Low- and High-Grade Gliomas. Neurosurgery 2017; 82:388-396. [DOI: 10.1093/neuros/nyx213] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 04/03/2017] [Indexed: 11/13/2022] Open
Abstract
Abstract
BACKGROUND
Minimally invasive techniques are increasingly being used to access intra-axial brain lesions.
OBJECTIVE
To describe a method of resecting frontal gliomas through a keyhole craniotomy and share the results with these techniques.
METHODS
We performed a retrospective review of data obtained on all patients undergoing resection of frontal gliomas by the senior author between 2012 and 2015. We describe our technique for resecting dominant and nondominant gliomas utilizing both awake and asleep keyhole craniotomy techniques.
RESULTS
After excluding 1 patient who received a biopsy only, 48 patients were included in the study. Twenty-nine patients (60%) had not received prior surgery. Twenty-six patients (54%) were diagnosed with WHO grade II/III tumors, and 22 patients (46%) were diagnosed with glioblastoma. Twenty-five cases (52%) were performed awake. At least 90% of the tumor was resected in 35 cases (73%). Three of 43 patients with clinical follow-up experienced permanent deficits.
CONCLUSION
We provide our experience in using keyhole craniotomies for resecting frontal gliomas. Our data demonstrate the feasibility of using minimally invasive techniques to safely and aggressively treat these tumors.
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Affiliation(s)
- Joshua D Burks
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Andrew K Conner
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Phillip A Bonney
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Chad A Glenn
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Adam D Smitherman
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Cameron A Ghafil
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Robert G Briggs
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Cordell M Baker
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Nicholas I Kirch
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Michael E Sughrue
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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Swinney C, Li A, Bhatti I, Veeravagu A. Optimization of tumor resection with intra-operative magnetic resonance imaging. J Clin Neurosci 2016; 34:11-14. [PMID: 27469412 DOI: 10.1016/j.jocn.2016.05.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 04/22/2016] [Accepted: 05/09/2016] [Indexed: 11/30/2022]
Abstract
Intra-operative MRI (ioMRI) may be used to optimize tumor resection. Utilization of this technology allows for the removal of residual tumor mass following initial tumor removal, maximizing the extent of resection. This, in turn, has been shown to lead to improved outcomes. Individual studies have examined the impact of ioMRI on the rate of extended resection, but a comprehensive review of this topic is needed. A literature review of the MEDLINE, EMBASE, CENTRAL, and Google Scholar databases revealed 12 eligible studies. This included 804 primary operations and 238 extended resections based on ioMRI findings. Use of ioMRI led to extended tumor resection in 13.3-54.8% of patients (mean 37.3%). Stratification by tumor type showed additional resection occurred, on average, in 39.1% of glioma resections (range 13.3-70.0%), 23.5% of pituitary tumor resections (range 13.3-33.7%), and 35.0% of nonspecific tumor resections (range 17.5-40%). Tumor type (glioma vs. pituitary) did not significantly influence the rate of further excision following ioMRI (p=0.309). There was no difference in secondary resection rate between studies limited to pediatric patients and those including adults (p=0.646). Thus, the use of intra-operative MRI frequently results in further resection of tumors. It is primarily used for the resection of gliomas and pituitary tumors. Tumor type does not appear to be a significant contributing factor to the rate of secondary tumor removal. Limited evidence suggests that extended resection may translate into improved clinical outcomes and mortality rates. However, results have not been unanimous, while clinical effect sizes have often been modest.
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Affiliation(s)
- Christian Swinney
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA.
| | - Amy Li
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA
| | - Inderpreet Bhatti
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA
| | - Anand Veeravagu
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA
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Zhang H, Ma L, Wang Q, Zheng X, Xue Z, Chen XL, Yu XG, Wu C, Xu BN, Sun ZH. Intraoperative high-field MRI maximizes the extent of resection in intraventricular central neurocytoma surgery. J Clin Neurosci 2016; 28:47-54. [DOI: 10.1016/j.jocn.2015.08.045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Revised: 08/21/2015] [Accepted: 08/25/2015] [Indexed: 10/22/2022]
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Zhuang DX, Wu JS, Yao CJ, Qiu TM, Lu JF, Zhu FP, Xu G, Zhu W, Zhou LF. Intraoperative Multi-Information-Guided Resection of Dominant-Sided Insular Gliomas in a 3-T Intraoperative Magnetic Resonance Imaging Integrated Neurosurgical Suite. World Neurosurg 2016; 89:84-92. [DOI: 10.1016/j.wneu.2016.01.067] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Revised: 01/12/2016] [Accepted: 01/13/2016] [Indexed: 02/08/2023]
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Affiliation(s)
- Michael A Vogelbaum
- Rose Ella Burkhardt Brain Tumor and NeuroOncology Center and Department of Neurosurgery, Cleveland Clinic, Cleveland, Ohio
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Thon N, Kreth FW, Tonn JC. The role of surgery in grade II/III oligodendroglial tumors. CNS Oncol 2015; 4:317-23. [PMID: 26478133 DOI: 10.2217/cns.15.26] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Supratentorial gliomas WHO grade II and III with an oligodendroglial phenotype are highly infiltrative lesions that preferentially originate in lobar location. Open tumor resection represents one of the mainstays of management as beneficial decompressive effects for large space-occupying lesions and oncologically relevant cytoreductive effects from complete resection can be expected. In patients not eligible for safe tumor resection meticulous histological and molecular-genetic evaluation can be obtained from advanced stereotactic biopsy techniques. In this perspective, important aspects of open tumor surgery and stereotactic biopsy are discussed within the context of diagnosis, prognosis and treatment of oligodendrogliomas and oligoastrocytomas WHO grade II and III. Practical considerations are provided in order to integrate the place of surgery into an increasingly personalized management concept. For highly selected patients interstitial brachytherapy is introduced as an alternative surgically performed treatment option.
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Affiliation(s)
- Niklas Thon
- Department of Neurosurgery, Hospital of the University of Munich, Campus Grosshadern, Munich, Germany
| | - Friedrich-Wilhelm Kreth
- Department of Neurosurgery, Hospital of the University of Munich, Campus Grosshadern, Munich, Germany
| | - Joerg-Christian Tonn
- Department of Neurosurgery, Hospital of the University of Munich, Campus Grosshadern, Munich, Germany
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Spinczyk D. Towards the clinical integration of an image-guided navigation system for percutaneous liver tumor ablation using freehand 2D ultrasound images. ACTA ACUST UNITED AC 2015; 20:61-72. [DOI: 10.3109/10929088.2015.1076043] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Kantelhardt SR, Gutenberg A, Neulen A, Keric N, Renovanz M, Giese A. Video-Assisted Navigation for Adjustment of Image-Guidance Accuracy to Slight Brain Shift. Oper Neurosurg (Hagerstown) 2015; 11:504-511. [PMID: 29506163 DOI: 10.1227/neu.0000000000000921] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 07/14/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Information supplied by an image-guidance system can be superimposed on the operating microscope oculars or on a screen, generating augmented reality. Recently, the outline of a patient's head and skull, injected in the oculars of a standard operating microscope, has been used to check the registration accuracy of image guidance. OBJECTIVE To propose the use of the brain surface relief and superficial vessels for real-time intraoperative visualization and image-guidance accuracy and for intraoperative adjustment for brain shift. METHODS A commercially available image-guidance system and a standard operating microscope were used. Segmentation of the brain surface and cortical blood vessel relief was performed manually on preoperative computed tomography and magnetic resonance images. The overlay of segmented digital and real operating-microscope images was used to monitor image-guidance accuracy. Adjustment for brain shift was performed by manually matching digital images on real structures. RESULTS Experimental manipulation on a phantom proved that the brain surface relief could be used to restore accuracy if the primary registration shifted. Afterward, the technique was used to assist during surgery of 5 consecutive patients with 7 deep-seated brain tumors. The brain surface relief could be successfully used to monitor registration accuracy after craniotomy and during the whole procedure. If a certain degree of brain shift occurred after craniotomy, the accuracy could be restored in all cases, and corticotomies were correctly centered in all cases. CONCLUSION The proposed method was easy to perform and augmented image-guidance accuracy when operating on small deep-seated lesions.
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Affiliation(s)
- Sven R Kantelhardt
- Department of Neurosurgery, University Medical Centre, Johannes Gutenberg-University, Mainz, Germany
| | - Angelika Gutenberg
- Department of Neurosurgery, University Medical Centre, Johannes Gutenberg-University, Mainz, Germany
| | - Axel Neulen
- Department of Neurosurgery, University Medical Centre, Johannes Gutenberg-University, Mainz, Germany
| | - Naureen Keric
- Department of Neurosurgery, University Medical Centre, Johannes Gutenberg-University, Mainz, Germany
| | - Mirjam Renovanz
- Department of Neurosurgery, University Medical Centre, Johannes Gutenberg-University, Mainz, Germany
| | - Alf Giese
- Department of Neurosurgery, University Medical Centre, Johannes Gutenberg-University, Mainz, Germany
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Olubiyi OI, Ozdemir A, Incekara F, Tie Y, Dolati P, Hsu L, Santagata S, Chen Z, Rigolo L, Golby AJ. Intraoperative Magnetic Resonance Imaging in Intracranial Glioma Resection: A Single-Center, Retrospective Blinded Volumetric Study. World Neurosurg 2015; 84:528-36. [PMID: 25937354 DOI: 10.1016/j.wneu.2015.04.044] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 04/13/2015] [Accepted: 04/16/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND Intraoperative magnetic resonance imaging (IoMRI) was devised to overcome brain shifts during craniotomies. Yet, the acceptance of IoMRI is limited. OBJECTIVE To evaluate impact of IoMRI on intracranial glioma resection outcome including overall patient survival. METHODS A retrospective review of records was performed on a cohort of 164 consecutive patients who underwent resection surgery for newly diagnosed intracranial gliomas either with or without IoMRI technology performed by 2 neurosurgeons in our center. Patient follow-up was at least 5 years. Extent of resection (EOR) was calculated using pre- and postoperative contrast-enhanced and T2-weighted MR-images. Adjusted analysis was performed to compare gross total resection (GTR), EOR, permanent surgery-associated neurologic deficit, and overall survival between the 2 groups. RESULTS Overall median EOR was 92.1%, and 97.45% with IoMRI use and 89.9% without IoMRI, with crude (unadjusted) P < 0.005. GTR was achieved in 49.3% of IoMRI cases, versus in only 21.4% of no-IoMRI cases, P < 0.001. GTR achieved was more with the use of IoMRI among gliomas located in both eloquent and noneloquent brain areas, P = 0.017 and <0.001, respectively. Permanent surgery-associated neurologic deficit was not (statistically) more significant with no-IoMRI, P = 0.284 (13.8% vs. 6.7%). In addition, the IoMRI group had better 5-year overall survival, P < 0.001. CONCLUSION This study shows that the use of IoMRI was associated with greater rates of EOR and GTR, and better overall 5-year survival in both eloquent brain areas located and non-eloquent brain areas located gliomas, with no increased risk of neurologic complication.
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Affiliation(s)
- Olutayo Ibukunolu Olubiyi
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
| | - Aysegul Ozdemir
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Neurosurgery, Haseki Training and Research Hospital, Cad. Fatih, Istanbul, Turkey
| | - Fatih Incekara
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Erasmus Medical Center Rotterdam, Netherlands
| | - Yanmei Tie
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Parviz Dolati
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Liangge Hsu
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Sandro Santagata
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Zhenrui Chen
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Neurosurgery, Jinling Hospital, Southern Medical University, Nanjing, Jiangsu, China
| | - Laura Rigolo
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Alexandra J Golby
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Fontana EJ, Benzinger T, Cobbs C, Henson J, Fouke SJ. The evolving role of neurological imaging in neuro-oncology. J Neurooncol 2014; 119:491-502. [PMID: 25081974 DOI: 10.1007/s11060-014-1505-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 06/11/2014] [Indexed: 11/30/2022]
Abstract
Neuroimaging has played a critical role in the management of patients with neurological disease, since the first ventriculogram was performed in 1918 by Walter Dandy (Mezger et al. Langenbecks Arch Surg 398(4):501-514, 2013). Over the last century, technology has evolved significantly, and within the last decade, the role of imaging in the management of patients with neuro-oncologic disease has shifted from a tool for gross identification of intracranial pathology, to an integral part of real-time neurological surgery. Current neurological imaging provides detailed information about anatomical structure, neurological function, and metabolic and metabolism-important characteristics that help clinicians and surgeons non-invasively manage patients with brain tumors. It is valuable to review the evolution of neurological imaging over the past several decades, focusing on its role in the management of patients with intracranial tumors. Novel neuro-imaging tools and developing technology with the potential to further transform clinical practice will be discussed, as will the key role neurological imaging plays in neurosurgical planning and intraoperative navigation. With increasingly complex imaging modalities creating growing amounts of raw data, validation of techniques, data analysis, and integrating various pieces of imaging data into individual patient management plans, remain significant challenges for clinicians. We thus suggest mechanisms that might ultimately allow for evidence based integration of imaging in the management of patients with neuro-oncologic disease.
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Affiliation(s)
- E J Fontana
- Swedish Neuroscience Institute, 550 17th Ave, Seattle, WA, 98122, USA
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