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Begley SL, McBriar JD, Pelcher I, Schulder M. Intraoperative MRI: A Review of Applications Across Neurosurgical Specialties. Neurosurgery 2024:00006123-990000000-01101. [PMID: 38530004 DOI: 10.1227/neu.0000000000002933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/30/2024] [Indexed: 03/27/2024] Open
Abstract
Intraoperative MRI (iMRI) made its debut to great fanfare in the mid-1990s. However, the enthusiasm for this technology with seemingly obvious benefits for neurosurgeons has waned. We review the benefits and utility of iMRI across the field of neurosurgery and present an overview of the evidence for iMRI for multiple neurosurgical disciplines: tumor, skull base, vascular, pediatric, functional, and spine. Publications on iMRI have steadily increased since 1996, plateauing with approximately 52 publications per year since 2011. Tumor surgery, especially glioma surgery, has the most evidence for the use of iMRI contributing more than 50% of all iMRI publications, with increased rates of gross total resection in both adults and children, providing a potential survival benefit. Across multiple neurosurgical disciplines, the ability to use a multitude of unique sequences (diffusion tract imaging, diffusion-weighted imaging, magnetic resonance angiography, blood oxygenation level-dependent) allows for specialization of imaging for various types of surgery. Generally, iMRI allows for consideration of anatomic changes and real-time feedback on surgical outcomes such as extent of resection and instrument (screw, lead, electrode) placement. However, implementation of iMRI is limited by cost and feasibility, including the need for installation, shielding, and compatible tools. Evidence for iMRI use varies greatly by specialty, with the most evidence for tumor, vascular, and pediatric neurosurgery. The benefits of real-time anatomic imaging, a lack of radiation, and evaluation of surgical outcomes are limited by the cost and difficulty of iMRI integration. Nonetheless, the ability to ensure patients are provided by a maximal yet safe treatment that specifically accounts for their own anatomy and highlights why iMRI is a valuable and underutilized tool across multiple neurosurgical subspecialties.
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Affiliation(s)
- Sabrina L Begley
- Department of Neurosurgery, Brain Tumor Center, Lake Success, New York, USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
| | - Joshua D McBriar
- Department of Neurosurgery, Brain Tumor Center, Lake Success, New York, USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
| | - Isabelle Pelcher
- Department of Neurosurgery, Brain Tumor Center, Lake Success, New York, USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
| | - Michael Schulder
- Department of Neurosurgery, Brain Tumor Center, Lake Success, New York, USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
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Pichardo-Rojas PS, Angulo-Lozano JC, Alvarez-Castro JA, Vázquez-Alva D, Osuna-Lau RA, Choque-Ayala LC, Tandon N, Esquenazi Y. Intraoperative Magnetic Resonance Imaging (MRI)-Guided Resection of Glioblastoma: A Meta-Analysis of 1,847 Patients. World Neurosurg 2024; 182:e807-e822. [PMID: 38101537 DOI: 10.1016/j.wneu.2023.12.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Affiliation(s)
- Pavel S Pichardo-Rojas
- The Vivian L. Smith Department of Neurosurgery, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, Texas, USA.
| | - Juan Carlos Angulo-Lozano
- Laboratory of Molecular Genetics and Immunology, The Rockefeller University, New York, New York, USA
| | - José Alfonso Alvarez-Castro
- Department of Neurosurgery, Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", Mexico City, Mexico
| | - Diego Vázquez-Alva
- Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | | | - Luz Camila Choque-Ayala
- Facultad de Medicina, Universidad Católica Boliviana San Pablo, Santa Cruz de la Sierra, Bolivia
| | - Nitin Tandon
- The Vivian L. Smith Department of Neurosurgery, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, Texas, USA
| | - Yoshua Esquenazi
- The Vivian L. Smith Department of Neurosurgery, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, Texas, USA
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3
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Yahanda AT, Rich KM, Dacey RG, Zipfel GJ, Dunn GP, Dowling JL, Smyth MD, Leuthardt EC, Limbrick DD, Honeycutt J, Sutherland GR, Jensen RL, Evans J, Chicoine MR. Survival After Resection of Newly-Diagnosed Intracranial Grade II Ependymomas: An Initial Multicenter Analysis and the Logistics of Intraoperative Magnetic Resonance Imaging. World Neurosurg 2022; 167:e757-e769. [PMID: 36028106 DOI: 10.1016/j.wneu.2022.08.077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 08/17/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To identify factors, including the use of intraoperative magnetic resonance imaging (iMRI), impacting overall survival (OS) and progression-free survival (PFS) after resections of newly diagnosed intracranial grade II ependymomas performed across 4 different institutions. METHODS Analyses of a multicenter mixed retrospective/prospective database assessed the impact of patient, treatment, and tumor characteristics on OS and PFS. iMRI workflow and logistics were also outlined. RESULTS Forty-three patients were identified (mean age 25.4 years, mean follow-up 52.8 months). The mean OS was 52.8 ± 44.7 months. Univariate analyses failed to identify prognostic factors associated with OS, likely due to relatively shorter follow-up time for this less aggressive glioma subtype. The mean PFS was 43.7 ± 39.8 months. Multivariate analyses demonstrated that gross-total resection was associated with prolonged PFS compared to both subtotal resection (STR) (P = 0.005) and near-total resection (P = 0.01). Infratentorial location was associated with improved PFS compared to supratentorial location (P = 0.04). Log-rank analyses of Kaplan-Meier survival curves showed that increasing extent of resection (EOR) led to improved OS specifically for supratentorial tumors (P = 0.02) and improved PFS for all tumors (P < 0.001). Thirty cases (69.8%) utilized iMRI, of which 12 (27.9%) involved additional resection after iMRI. Of these, 8/12 (66.7%) resulted in gross-total resection, while 2/12 (16.7%) were near-total resection and 2/12 (16.7%) were subtotal resection. iMRI was not an independent prognosticator of PFS (P = 0.72). CONCLUSIONS Greater EOR and infratentorial location were associated with increased PFS for grade II ependymomas. Greater EOR was associated with longer OS only for supratentorial tumors. A longer follow-up is needed to establish prognostic factors for this cohort, including use of iMRI.
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Affiliation(s)
- Alexander T Yahanda
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA.
| | - Keith M Rich
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Ralph G Dacey
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Gregory J Zipfel
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Gavin P Dunn
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Joshua L Dowling
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Matthew D Smyth
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Eric C Leuthardt
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - David D Limbrick
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - John Honeycutt
- Department of Neurological Surgery, Cook Children's Medical Center, Fort Worth, Texas, USA
| | - Garnette R Sutherland
- Department of Neurological Surgery, University of Calgary School of Medicine, Calgary, Alberta, Canada
| | - Randy L Jensen
- Department of Neurological Surgery, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - John Evans
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Michael R Chicoine
- Department of Neurological Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
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4
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Ruiz-Garcia H, Middlebrooks EH, Trifiletti DM, Chaichana KL, Quinones-Hinojosa A, Sheehan JP. The Extent of Resection in Gliomas-Evidence-Based Recommendations on Methodological Aspects of Research Design. World Neurosurg 2022; 161:382-395.e3. [PMID: 35505558 DOI: 10.1016/j.wneu.2021.08.140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 08/30/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Modern neurosurgery has established maximal safe resection as a cornerstone in the management of diffuse gliomas. Evaluation of the extent of resection (EOR), and its association with certain outcomes or interventions, heavily depends on an adequate methodology to draw strong conclusions. We aim to identify weaknesses and limitations that may threaten the internal validity and generalizability of studies involving the EOR in patients with glioma and to suggest methodological recommendations that may help mitigate these threats. METHODS A systematic search was performed by querying PubMed, Web of Science, and Scopus since inception to April 30, 2021 using PICOS/PRISMA guidelines. Articles were then screened to identify high-impact studies evaluating the EOR in patients diagnosed with diffuse gliomas in accordance with predefined criteria. We identify common weakness and limitations during the evaluation of the EOR in the selected studies and then delineate potential methodological recommendations for future endeavors dealing with the EOR. RESULTS We identified 31 high-impact studies and found several research design issues including inconsistencies regarding EOR terminology, measurement, data collection, analysis, and reporting. Although some of these issues were related to now outdated reporting standards, many were still present in recent publications and deserve attention in contemporary and future research. CONCLUSIONS There is a current need to focus more attention to the methodological aspects of glioma research. Methodological inconsistencies may introduce weaknesses into the internal validity of the studies and hamper comparative analysis of cohorts from different institutions. We hope our recommendations will eventually help develop stronger methodological designs in future research endeavors.
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Affiliation(s)
- Henry Ruiz-Garcia
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA; Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida, USA; Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Jacksonville, Florida, USA
| | - Erik H Middlebrooks
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA; Department of Radiology, Mayo Clinic, Jacksonville, Florida, USA
| | - Daniel M Trifiletti
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA; Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida, USA
| | | | | | - Jason P Sheehan
- Department of Neurological Surgery, University of Virginia, Charlottesville, Virginia, USA.
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5
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Fuentes AM, Ansari D, Burch TG, Mehta AI. Use of intraoperative MRI for resection of intracranial tumors: A nationwide analysis of short-term outcomes. J Clin Neurosci 2022; 99:152-157. [PMID: 35279588 DOI: 10.1016/j.jocn.2022.03.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 02/22/2022] [Accepted: 03/02/2022] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Recent evidence supports the use of intraoperative MRI (iMRI) during resection of intracranial tumors due to its demonstrated efficacy and clinical benefit. Though many single-center investigations have been conducted, larger nationwide outcomes have yet to be characterized. METHODS We used the American College of Surgeons National Surgical Quality Improvement Program database to examine baseline characteristics and 30-day postoperative outcomes among patients undergoing craniotomy for tumor resection with and without iMRI. Comparisons between outcomes were accomplished after propensity matching using chi-square tests for categorical variables and Welch two-sample t-tests for continuous variables. RESULTS A total of 38,003 patients met inclusion criteria. Of this population, 54 (0.1%) received iMRI, while 37,949 (99.9%) did not receive iMRI. After propensity score matching, the resulting groups consisted of an iMRI group (n = 54) and a matched non-iMRI group (n = 54). Procedures involving iMRI were associated with significantly increased operation length compared to those without (p < 0.01). Length of hospital stay was higher in patients without iMRI, with this difference trending towards significance (p = 0.05) in the unmatched comparison. Patients undergoing craniotomy without iMRI had a higher rate of readmission (p = 0.04). There was no significant difference in occurrence of other adverse events between the two patient groups. CONCLUSION Despite increasing operative length, iMRI is not associated with higher infection rate and may have a clinical benefit associated with reducing readmissions and a trend towards reducing inpatient length of stay. Additional nationwide analyses including more iMRI patients would provide further insight into the strength of these findings.
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Affiliation(s)
- Angelica M Fuentes
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Darius Ansari
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Taylor G Burch
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Ankit I Mehta
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL 60612, USA.
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6
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Naik A, Smith EJ, Barreau A, Nyaeme M, Cramer SW, Najafali D, Krist DT, Arnold PM, Hassaneen W. Comparison of fluorescein sodium, 5-ALA, and intraoperative MRI for resection of high-grade gliomas: A systematic review and network meta-analysis. J Clin Neurosci 2022; 98:240-247. [PMID: 35219089 DOI: 10.1016/j.jocn.2022.02.028] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/08/2022] [Accepted: 02/17/2022] [Indexed: 12/31/2022]
Abstract
High grade gliomas (HGGs) are aggressive brain tumors associated with poor prognosis despite advances in surgical treatment and therapy. Navigated tumor resection has yielded improved outcomes for patients. We compare 5-ALA, fluorescein sodium (FS), and intraoperative MRI (IMRI) with no image guidance to determine the best intraoperative navigation method to maximize rates of gross total resection (GTR) and outcomes. A frequentist network meta-analysis was performed following standard PRISMA guidelines (PROSPERO registration CRD42021268659). Surface-under-the-cumulative ranking (SUCRA) analysis was executed to hierarchically rank modalities by the outcomes of interest. Heterogeneity was measured by the I2 statistic. Publication bias was assessed by funnel plots and the use of Egger's test. Statistical significance was determined by p < 0.05. Twenty-three studies were included for analysis with a total of 2,643 patients. Network meta-analysis comparing 5-ALA, IMRI, and FS was performed. The primary outcome assessed was the rate of GTR. Analysis revealed the superiority of all intraoperative navigation to control (no navigation). SUCRA analysis revealed the superiority of IMRI + 5-ALA, IMRI alone, followed by FS, and 5-ALA. Overall survival (OS) and progression free survival (PFS) were also examined. FS (vs. control) was associated with improved OS, while IMRI was associated with improved PFS (vs. control, FS, and 5-ALA). Intraoperative navigation using IMRI, FS, and 5-ALA lead to greater rates of GTR in HGGs. FS and 5-ALA also yielded improvement in OS and PFS. Further studies are needed to evaluate differences in survival benefit, operative duration, and cost.
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Affiliation(s)
- Anant Naik
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Emily J Smith
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Ariana Barreau
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Mark Nyaeme
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Samuel W Cramer
- Department of Neurosurgery, University of Minnesota Twin-Cities, Minneapolis MN, 55455, United States
| | - Daniel Najafali
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - David T Krist
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Paul M Arnold
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States; Department of Neurosurgery, Carle Foundation Hospital, Urbana IL 61801, United States
| | - Wael Hassaneen
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States; Department of Neurosurgery, Carle Foundation Hospital, Urbana IL 61801, United States.
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7
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Laochamroonvorapongse D, Theard MA, Yahanda AT, Chicoine MR. Intraoperative MRI for Adult and Pediatric Neurosurgery. Anesthesiol Clin 2021; 39:211-225. [PMID: 33563383 DOI: 10.1016/j.anclin.2020.11.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Intraoperative MRI (iMRI) technology and its use in both adult and pediatric neurosurgery have advanced significantly over the past 2 decades, allowing neurosurgeons to account for brain shift and optimize resection of brain lesions. Combining the risks of the MR environment with those of the operating room creates a challenging, zero-tolerance environment for the anesthesiologist. This article provides an overview of the currently available iMRI systems, the neurosurgical evidence supporting iMRI use, and the anesthetic and safety considerations for iMRI procedures.
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Affiliation(s)
- Dean Laochamroonvorapongse
- Department of Anesthesiology and Perioperative Medicine, Oregon Health and Science University, 3181 Southwest Sam Jackson Park Road, Mail Code-UH2, Portland, OR 97239, USA.
| | - Marie A Theard
- Department of Anesthesiology and Perioperative Medicine, Oregon Health and Science University, 3181 Southwest Sam Jackson Park Road, Mail Code-UH2, Portland, OR 97239, USA
| | - Alexander T Yahanda
- Department of Neurosurgery, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, MO 63110, USA
| | - Michael R Chicoine
- Department of Neurosurgery, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, MO 63110, USA
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8
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Shah AS, Yahanda AT, Sylvester PT, Evans J, Dunn GP, Jensen RL, Honeycutt J, Cahill DP, Sutherland GR, Oswood M, Shah M, Abram SR, Rich KM, Dowling JL, Leuthardt EC, Dacey RG, Kim AH, Zipfel GJ, Limbrick DD, Smyth MD, Leonard J, Chicoine MR. Using Histopathology to Assess the Reliability of Intraoperative Magnetic Resonance Imaging in Guiding Additional Brain Tumor Resection: A Multicenter Study. Neurosurgery 2020; 88:E49-E59. [PMID: 32803226 DOI: 10.1093/neuros/nyaa338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 05/24/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Intraoperative magnetic resonance imaging (iMRI) is a powerful tool for guiding brain tumor resections, provided that it accurately discerns residual tumor. OBJECTIVE To use histopathology to assess how reliably iMRI may discern additional tumor for a variety of tumor types, independent of the indications for iMRI. METHODS A multicenter database was used to calculate the odds of additional resection during the same surgical session for grade I to IV gliomas and pituitary adenomas. The reliability of iMRI for identifying residual tumor was assessed using histopathology of tissue resected after iMRI. RESULTS Gliomas (904/1517 cases, 59.6%) were more likely than pituitary adenomas (176/515, 34.2%) to receive additional resection after iMRI (P < .001), but these tumors were equally likely to have additional tissue sent for histopathology (398/904, 44.4% vs 66/176, 37.5%; P = .11). Tissue samples were available for resections after iMRI for 464 cases, with 415 (89.4%) positive for tumor. Additional resections after iMRI for gliomas (361/398, 90.7%) were more likely to yield additional tumor compared to pituitary adenomas (54/66, 81.8%) (P = .03). There were no significant differences in resection after iMRI yielding histopathologically positive tumor between grade I (58/65 cases, 89.2%; referent), grade II (82/92, 89.1%) (P = .98), grade III (72/81, 88.9%) (P = .95), or grade IV gliomas (149/160, 93.1%) (P = .33). Additional resection for previously resected tumors (122/135 cases, 90.4%) was equally likely to yield histopathologically confirmed tumor compared to newly-diagnosed tumors (293/329, 89.0%) (P = .83). CONCLUSION Histopathological analysis of tissue resected after use of iMRI for grade I to IV gliomas and pituitary adenomas demonstrates that iMRI is highly reliable for identifying residual tumor.
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Affiliation(s)
- Amar S Shah
- Washington University School of Medicine, St. Louis, Missouri
| | | | | | - John Evans
- Washington University School of Medicine, St. Louis, Missouri
| | - Gavin P Dunn
- Washington University School of Medicine, St. Louis, Missouri
| | - Randy L Jensen
- Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
| | | | | | | | - Mark Oswood
- University of Minnesota, Minneapolis, Minnesota.,Allina Health, Minneapolis, Minnesota
| | - Mitesh Shah
- Goodman Campbell and Indiana University, Indianapolis, Indiana
| | | | - Keith M Rich
- Washington University School of Medicine, St. Louis, Missouri
| | | | | | - Ralph G Dacey
- Washington University School of Medicine, St. Louis, Missouri
| | - Albert H Kim
- Washington University School of Medicine, St. Louis, Missouri
| | | | | | - Matthew D Smyth
- Washington University School of Medicine, St. Louis, Missouri
| | - Jeffrey Leonard
- Department of Neurosurgery, Nationwide Children's Hospital, Columbus, Ohio
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9
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Ghinda DC, Yang Y, Wu S, Lu J, Su L, Damiani S, Tumati S, Jansen G, Duffau H, Wu JS, Northoff G. Personalized Multimodal Demarcation of Peritumoral Tissue in Glioma. JCO Precis Oncol 2020; 4:1128-1140. [PMID: 35050774 DOI: 10.1200/po.20.00115] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
PURPOSE Gliomas are life-threatening brain tumors, and the extent of surgical resection is one of the strongest influences on survival rate. However, the proper distinction of infiltrated tissue remains elusive. The aim of this study was to use multimodal analyses to demarcate peritumoral tissue (PT) from tumoral (TT) and healthy tissue (HT). METHODS A total of 40 patients with histologically confirmed glioma were recruited. We analyzed resting-state functional magnetic resonance imaging (rs-fMRI) using the voxel-based mean blood-oxygen-level-dependent (BOLD) signal and the corresponding structural MRI (s-MRI) alongside RNA sequencing, whole-exome sequencing, and histology results of biopsy samples obtained from PT, HT, and TT. RESULTS We demarcated a functionally defined PT area where the mean BOLD signal gradually decreased near the edge of the tumor and extended beyond the TT borders (as defined by s-MRI), which was confirmed on a case-by-case basis. Correspondingly, genetic analyses showed a gene expression pattern and mutational landscape of the PT that were distinct from that seen in HT and TT. The genetic characterization of PT relative to HT and TT converged with the MRI-defined PT zones. This was confirmed in three individual cases after additional histologic analysis. A wider PT was associated with a longer progression-free survival, which suggests PT might act as an intermediate area between TT and HT. CONCLUSION Combined multimodal imaging and genetic analyses can allow for an objective demarcation of the PT in glioma and a robust classification of the degree of infiltration of the PT. These findings could help improve both neurosurgical resection and radio-oncologic therapy.
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Affiliation(s)
- Diana C Ghinda
- Department of Neurosurgery, The Ottawa Hospital, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,Glioma Surgery Division, Neurologic Surgery Department, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,Mind, Brain Imaging, and Neuroethics, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
| | - Yufei Yang
- Genetron Health (Beijing) Co Ltd, Beijing, China
| | - Shuai Wu
- Glioma Surgery Division, Neurologic Surgery Department, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Junfeng Lu
- Glioma Surgery Division, Neurologic Surgery Department, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Lan Su
- Genetron Health (Beijing) Co Ltd, Beijing, China
| | - Stefano Damiani
- Department of Brain and Behavioral Science, University of Pavia, Pavia, Italy
| | - Shankar Tumati
- Mind, Brain Imaging, and Neuroethics, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
| | - Gerard Jansen
- Department of Neuropathology, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Hugues Duffau
- Department of Neurosurgery, Hôpital Gui de Chauliac, Montpellier University Medical Center, Montpellier, France.,Brain Plasticity, Stem Cells, and Glial Tumors Team, National Institute for Health and Medical Research, Montpellier, France
| | - Jin-Song Wu
- Glioma Surgery Division, Neurologic Surgery Department, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Georg Northoff
- Mind, Brain Imaging, and Neuroethics, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
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10
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Yahanda AT, Goble TJ, Sylvester PT, Lessman G, Goddard S, McCollough B, Shah A, Andrews T, Benzinger TLS, Chicoine MR. Impact of 3-Dimensional Versus 2-Dimensional Image Distortion Correction on Stereotactic Neurosurgical Navigation Image Fusion Reliability for Images Acquired With Intraoperative Magnetic Resonance Imaging. Oper Neurosurg (Hagerstown) 2020; 19:599-607. [PMID: 32521010 DOI: 10.1093/ons/opaa152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 03/30/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Fusion of preoperative and intraoperative magnetic resonance imaging (iMRI) studies during stereotactic navigation may be very useful for procedures such as tumor resections but can be subject to error because of image distortion. OBJECTIVE To assess the impact of 3-dimensional (3D) vs 2-dimensional (2D) image distortion correction on the accuracy of auto-merge image fusion for stereotactic neurosurgical images acquired with iMRI using a head phantom in different surgical positions. METHODS T1-weighted intraoperative images of the head phantom were obtained using 1.5T iMRI. Images were postprocessed with 2D and 3D image distortion correction. These studies were fused to T1-weighted preoperative MRI studies performed on a 1.5T diagnostic MRI. The reliability of the auto-merge fusion of these images for 2D and 3D correction techniques was assessed both manually using the stereotactic navigation system and via image analysis software. RESULTS Eight surgical positions of the head phantom were imaged with iMRI. Greater image distortion occurred with increased distance from isocenter in all 3 axes, reducing accuracy of image fusion to preoperative images. Visually reliable image fusions were accomplished in 2/8 surgical positions using 2D distortion correction and 5/8 using 3D correction. Three-dimensional correction yielded superior image registration quality as defined by higher maximum mutual information values, with improvements ranging between 2.3% and 14.3% over 2D correction. CONCLUSION Using 3D distortion correction enhanced the reliability of surgical navigation auto-merge fusion of phantom images acquired with iMRI across a wider range of head positions and may improve the accuracy of stereotactic navigation using iMRI images.
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Affiliation(s)
- Alexander T Yahanda
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri
| | | | - Peter T Sylvester
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri
| | | | | | | | - Amar Shah
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri
| | - Trevor Andrews
- Department of Radiology, Washington University School of Medicine, St. Louis, Missouri
| | - Tammie L S Benzinger
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri.,Department of Radiology, Washington University School of Medicine, St. Louis, Missouri
| | - Michael R Chicoine
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri
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Wykes V, Zisakis A, Irimia M, Ughratdar I, Sawlani V, Watts C. Importance and Evidence of Extent of Resection in Glioblastoma. J Neurol Surg A Cent Eur Neurosurg 2020; 82:75-86. [PMID: 33049795 DOI: 10.1055/s-0040-1701635] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Maximal safe resection is an essential part of the multidisciplinary care of patients with glioblastoma. A growing body of data shows that gross total resection is an independent prognostic factor associated with improved clinical outcome. The relationship between extent of glioblastoma (GB) resection and clinical benefit depends critically on the balance between cytoreduction and avoiding neurologic morbidity. The definition of the extent of tumor resection, how this is best measured pre- and postoperatively, and its relation to volume of residual tumor is still discussed. We review the literature supporting extent of resection in GB, highlighting the importance of a standardized definition and measurement of extent of resection to allow greater collaboration in research projects and trials. Recent developments in neurosurgical techniques and technologies focused on maximizing extent of resection and safety are discussed.
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Affiliation(s)
- Victoria Wykes
- Institute of Cancer and Genomic Sciences, University of Birmingham College of Medical and Dental Sciences, Birmingham, United Kingdom of Great Britain and Northern Ireland.,Department of Neurosurgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom of Great Britain and Northern Ireland
| | - Athanasios Zisakis
- Department of Neurosurgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom of Great Britain and Northern Ireland
| | - Mihaela Irimia
- Department of Neurosurgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom of Great Britain and Northern Ireland
| | - Ismail Ughratdar
- Department of Neurosurgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom of Great Britain and Northern Ireland
| | - Vijay Sawlani
- Department of Radiology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom of Great Britain and Northern Ireland
| | - Colin Watts
- Institute of Cancer and Genomic Sciences, University of Birmingham College of Medical and Dental Sciences, Birmingham, United Kingdom of Great Britain and Northern Ireland.,Department of Neurosurgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom of Great Britain and Northern Ireland
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12
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Yahanda AT, Patel B, Shah AS, Cahill DP, Sutherland G, Honeycutt J, Jensen RL, Rich KM, Dowling JL, Limbrick DD, Dacey RG, Kim AH, Leuthardt EC, Dunn GP, Zipfel GJ, Leonard JR, Smyth MD, Shah MV, Abram SR, Evans J, Chicoine MR. Impact of Intraoperative Magnetic Resonance Imaging and Other Factors on Surgical Outcomes for Newly Diagnosed Grade II Astrocytomas and Oligodendrogliomas: A Multicenter Study. Neurosurgery 2020; 88:63-73. [DOI: 10.1093/neuros/nyaa320] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 05/24/2020] [Indexed: 11/12/2022] Open
Abstract
Abstract
BACKGROUND
Few studies use large, multi-institutional patient cohorts to examine the role of intraoperative magnetic resonance imaging (iMRI) in the resection of grade II gliomas.
OBJECTIVE
To assess the impact of iMRI and other factors on overall survival (OS) and progression-free survival (PFS) for newly diagnosed grade II astrocytomas and oligodendrogliomas.
METHODS
Retrospective analyses of a multicenter database assessed the impact of patient-, treatment-, and tumor-related factors on OS and PFS.
RESULTS
A total of 232 resections (112 astrocytomas and 120 oligodendrogliomas) were analyzed. Oligodendrogliomas had longer OS (P < .001) and PFS (P = .01) than astrocytomas. Multivariate analyses demonstrated improved OS for gross total resection (GTR) vs subtotal resection (STR; P = .006, hazard ratio [HR]: .23) and near total resection (NTR; P = .02, HR: .64). GTR vs STR (P = .02, HR: .54), GTR vs NTR (P = .04, HR: .49), and iMRI use (P = .02, HR: .54) were associated with longer PFS. Frontal (P = .048, HR: 2.11) and occipital/parietal (P = .003, HR: 3.59) locations were associated with shorter PFS (vs temporal). Kaplan-Meier analyses showed longer OS with increasing extent of surgical resection (EOR) (P = .03) and 1p/19q gene deletions (P = .02). PFS improved with increasing EOR (P = .01), GTR vs NTR (P = .02), and resections above STR (P = .04). Factors influencing adjuvant treatment (35.3% of patients) included age (P = .002, odds ratio [OR]: 1.04) and EOR (P = .003, OR: .39) but not glioma subtype or location. Additional tumor resection after iMRI was performed in 105/159 (66%) iMRI cases, yielding GTR in 54.5% of these instances.
CONCLUSION
EOR is a major determinant of OS and PFS for patients with grade II astrocytomas and oligodendrogliomas. Intraoperative MRI may improve EOR and was associated with increased PFS.
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Affiliation(s)
- Alexander T Yahanda
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Bhuvic Patel
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Amar S Shah
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Daniel P Cahill
- Department of Neurological Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Garnette Sutherland
- Department of Neurological Surgery, University of Calgary School of Medicine, Calgary, Canada
| | - John Honeycutt
- Department of Neurological Surgery, Cook Children's Medical Center, Fort Worth, Texas
| | - Randy L Jensen
- Department of Neurological Surgery, University of Utah School of Medicine, Salt Lake City, Utah
| | - Keith M Rich
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Joshua L Dowling
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - David D Limbrick
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Ralph G Dacey
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Albert H Kim
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Eric C Leuthardt
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Gavin P Dunn
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Gregory J Zipfel
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Jeffrey R Leonard
- Department of Neurological Surgery, Ohio State University College of Medicine, Columbus, Ohio
| | - Matthew D Smyth
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Mitesh V Shah
- Department of Neurological Surgery, Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Steven R Abram
- Department of Neurological Surgery, St. Thomas Hospital, Nashville, Tennessee
| | - John Evans
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Michael R Chicoine
- Department of Neurosurgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
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13
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Golub D, Hyde J, Dogra S, Nicholson J, Kirkwood KA, Gohel P, Loftus S, Schwartz TH. Intraoperative MRI versus 5-ALA in high-grade glioma resection: a network meta-analysis. J Neurosurg 2020; 134:484-498. [PMID: 32084631 DOI: 10.3171/2019.12.jns191203] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 12/16/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE High-grade gliomas (HGGs) continue to carry poor prognoses, and patient outcomes depend heavily on the extent of resection (EOR). The utility of conventional image-guided surgery is limited by intraoperative brain shift. More recent techniques to maximize EOR, including intraoperative imaging and the use of fluorescent dyes, combat these limitations. However, the relative efficacy of these two techniques has never been systematically compared. Thus, the authors performed an exhaustive systematic review in conjunction with quantitative network meta-analyses to evaluate the comparative effectiveness of 5-aminolevulinic acid (5-ALA) and intraoperative MRI (IMRI) in optimizing EOR in HGG. They secondarily analyzed associated progression-free and overall survival and performed subgroup analyses by level of evidence. METHODS PubMed, Embase, Cochrane Central, and Web of Science were searched for studies evaluating conventional neuronavigation, IMRI, and 5-ALA in HGG resection. The primary study endpoint was the proportion of patients attaining gross-total resection (GTR), defined as 100% elimination of contrast-enhancing lesion on postoperative MRI. Secondary endpoints included overall and progression-free survival and subgroup analyses for level of evidence. Comparative efficacy analysis of IMRI and 5-ALA was performed using Bayesian network meta-analysis models. RESULTS This analysis included 11 studies. In a classic meta-analysis, both IMRI (OR 4.99, 95% CI 2.65-9.39, p < 0.001) and 5-ALA (OR 2.866, 95% CI 2.127-3.863, p < 0.001) were superior to conventional navigation in achieving GTR. Bayesian network analysis was employed to indirectly compare IMRI to 5-ALA, and no significant difference in GTR was found between the two (OR 1.9 favoring IMRI, 95% CI 0.905-3.989, p = 0.090). A handful of studies additionally suggested that the use of either IMRI (2 and 4 studies, respectively) or 5-ALA (2 and 2 studies, respectively) improves progression-free and overall survival. CONCLUSIONS IMRI and 5-ALA are individually superior to conventional neuronavigation for achieving GTR of HGG. Between IMRI and 5-ALA, neither method is clearly more effective. Future studies evaluating the comparative cost and surgical time associated with IMRI and 5-ALA will better inform any cost-benefit analysis.
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Affiliation(s)
| | | | - Siddhant Dogra
- 2Radiology, New York University School of Medicine, New York, New York
| | - Joseph Nicholson
- 3NYU Health Sciences Library, New York University School of Medicine, New York, New York
| | - Katherine A Kirkwood
- 4Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York
| | | | - Stephen Loftus
- 5Department of Science, Technology, Engineering and Math, Sweet Briar College, Sweet Briar, Virginia
| | - Theodore H Schwartz
- 6Departments of Neurosurgery, Otolaryngology, and Neuroscience, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, New York; and
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Caras A, Mugge L, Miller WK, Mansour TR, Schroeder J, Medhkour A. Usefulness and Impact of Intraoperative Imaging for Glioma Resection on Patient Outcome and Extent of Resection: A Systematic Review and Meta-Analysis. World Neurosurg 2020; 134:98-110. [DOI: 10.1016/j.wneu.2019.10.072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 10/25/2022]
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15
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Piao H, Ye D, Yu T, Shi J. Comparison of intraoperative magnetic resonance imaging, ultrasound, 5-aminolevulinic acid, and neuronavigation for guidance in glioma resection: A network meta-analysis. GLIOMA 2020. [DOI: 10.4103/glioma.glioma_5_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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A Multi-Institutional Analysis of Factors Influencing Surgical Outcomes for Patients with Newly Diagnosed Grade I Gliomas. World Neurosurg 2019; 135:e754-e764. [PMID: 31901497 DOI: 10.1016/j.wneu.2019.12.156] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 12/25/2019] [Accepted: 12/26/2019] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To assess the impact of intraoperative magnetic resonance imaging (iMRI), extent of resection (EOR), and other factors on overall survival (OS) and progression-free survival (PFS) for patients with newly diagnosed grade I gliomas. METHODS A multicenter database was queried to identify patients with grade I gliomas. Retrospective analyses assessed the impact of patient, treatment, and tumor characteristics on OS and PFS. RESULTS A total of 284 patients underwent treatment for grade I gliomas, including 248 resections (205 with iMRI, 43 without), 23 biopsies, and 13 laser interstitial thermal therapy treatments. Log-rank analyses of Kaplan-Meier plots showed improved 5-year OS (P = 0.0107) and PFS (P = 0.0009) with increasing EOR, and a trend toward improved 5-year OS for patients with lower American Society of Anesthesiologists score (P = 0.0528). Greater EOR was associated with significantly increased 5-year PFS for pilocytic astrocytoma (P < 0.0001), but not for ganglioglioma (P = 0.10) or dysembryoplastic neuroepithelial tumor (P = 0.57). Temporal tumors (P = 0.04) and location of "other" (P = 0.04) were associated with improved PFS, and occipital/parietal tumors (P = 0.02) were associated with decreased PFS compared with all other locations. Additional tumor resection was performed after iMRI in 49.7% of cases using iMRI, which produced gross total resection in 64% of these additional resection cases. CONCLUSIONS Patients with grade I gliomas have extended OS and PFS, which correlates positively with increasing EOR, especially for patients with pilocytic astrocytoma. iMRI may increase EOR, indicated by the rate of gross total resection after iMRI use but was not independently associated with increased OS or PFS.
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Dias S, Sarnthein J, Jehli E, Neidert MC, Regli L, Bozinov O. Safeness and Utility of Concomitant Intraoperative Monitoring with Intraoperative Magnetic Resonance Imaging in Children: A Pilot Study. World Neurosurg 2018; 115:e637-e644. [DOI: 10.1016/j.wneu.2018.04.123] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 04/16/2018] [Accepted: 04/17/2018] [Indexed: 10/17/2022]
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18
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Ellingson BM, Wen PY, Cloughesy TF. Evidence and context of use for contrast enhancement as a surrogate of disease burden and treatment response in malignant glioma. Neuro Oncol 2018; 20:457-471. [PMID: 29040703 PMCID: PMC5909663 DOI: 10.1093/neuonc/nox193] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The use of contrast enhancement within the brain on CT or MRI has been the gold standard for diagnosis and therapeutic response assessment in malignant gliomas for decades. The use of contrast enhancing tumor size, however, remains controversial as a tool for accurately diagnosing and assessing treatment efficacy in malignant gliomas, particularly in the current, quickly evolving therapeutic landscape. The current article consolidates overwhelming evidence from hundreds of studies in the field of neuro-oncology, providing the necessary evidence base and specific contexts of use for consideration of contrast enhancing tumor size as an appropriate surrogate biomarker for disease burden and as a tool for measuring treatment response in malignant glioma, including glioblastoma.
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Affiliation(s)
- Benjamin M Ellingson
- UCLA Brain Tumor Imaging Laboratory, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- UCLA Center for Computer Vision and Imaging Biomarkers, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- UCLA Neuro-Oncology Program, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- UCLA Brain Research Institute, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- Department of Radiological Sciences, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- Department of Physics in Medicine and Biology, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Science at UCLA, University of California Los Angeles, Los Angeles, California
| | - Patrick Y Wen
- Department of Neurooncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Timothy F Cloughesy
- UCLA Neuro-Oncology Program, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
- Department of Neurology, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California
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Eyüpoglu IY, Hore N, Merkel A, Buslei R, Buchfelder M, Savaskan N. Supra-complete surgery via dual intraoperative visualization approach (DiVA) prolongs patient survival in glioblastoma. Oncotarget 2017; 7:25755-68. [PMID: 27036027 PMCID: PMC5041941 DOI: 10.18632/oncotarget.8367] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 03/02/2016] [Indexed: 12/21/2022] Open
Abstract
Safe and complete resection represents the first step in the treatment of glioblastomas and is mandatory in increasing the effectiveness of adjuvant therapy to prolong overall survival. With gross total resection currently limited in extent to MRI contrast enhancing areas, the extent to which supra-complete resection beyond obvious contrast enhancement could have impact on overall survival remains unclear. DiVA (dual intraoperative visualization approach) redefines gross total resection as currently accepted by enabling for the first time supra-complete surgery without compromising patient safety. This approach exploits the advantages of two already accepted surgical techniques combining intraoperative MRI with integrated functional neuronavigation and 5-ALA by integrating them into a single surgical approach. We investigated whether this technique has impact on overall outcome in GBM patients. 105 patients with GBM were included. We achieved complete resection with intraoperative MRI alone according to current best-practice in glioma surgery in 75 patients. 30 patients received surgery with supra-complete resection. The control arm showed a median life expectancy of 14 months, reflecting current standards-of-care and outcome. In contrast, patients receiving supra-complete surgery displayed significant increase in median survival time to 18.5 months with overall survival time correlating directly with extent of supra-complete resection. This extension of overall survival did not come at the cost of neurological deterioration. We show for the first time that supra-complete glioma surgery leads to significant prolongation of overall survival time in GBM patients.
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Affiliation(s)
- Ilker Y Eyüpoglu
- Department of Neurosurgery, Translational Neurooncology Division, Medical Faculty of The Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Nirjhar Hore
- Department of Neurosurgery, Translational Neurooncology Division, Medical Faculty of The Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Andreas Merkel
- Department of Neurosurgery, Translational Neurooncology Division, Medical Faculty of The Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Rolf Buslei
- Department of Neuropathology, Medical Faculty of The Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Michael Buchfelder
- Department of Neurosurgery, Translational Neurooncology Division, Medical Faculty of The Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Nicolai Savaskan
- Department of Neurosurgery, Translational Neurooncology Division, Medical Faculty of The Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
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Lee I, Kalkanis S, Hadjipanayis CG. Stereotactic Laser Interstitial Thermal Therapy for Recurrent High-Grade Gliomas. Neurosurgery 2017; 79 Suppl 1:S24-S34. [PMID: 27861323 DOI: 10.1227/neu.0000000000001443] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The value of maximal safe cytoreductive surgery in recurrent high-grade gliomas (HGGs) is gaining wider acceptance. However, patients may harbor recurrent tumors that may be difficult to access with open surgery. Laser interstitial thermal therapy (LITT) is emerging as a technique for treating a variety of brain pathologies, including primary and metastatic tumors, radiation necrosis, and epilepsy. OBJECTIVE To review the role of LITT in the treatment of recurrent HGGs, for which current treatments have limited efficacy, and to discuss the possible role of LITT in the disruption of the blood-brain barrier to increase delivery of chemotherapy locoregionally. METHODS A MEDLINE search was performed to identify 17 articles potentially appropriate for review. Of these 17, 6 reported currently commercially available systems and as well as magnetic resonance thermometry to monitor the ablation and, thus, were thought to be most appropriate for this review. These studies were then reviewed for complications associated with LITT. Ablation volume, tumor coverage, and treatment times were also reviewed. RESULTS Sixty-four lesions in 63 patients with recurrent HGGs were treated with LITT. Frontal (n = 34), temporal (n = 14), and parietal (n = 16) were the most common locations. Permanent neurological deficits were seen in 7 patients (12%), vascular injuries occurred in 2 patients (3%), and wound infection was observed in 1 patient (2%). Ablation coverage of the lesions ranged from 78% to 100%. CONCLUSION Although experience using LITT for recurrent HGGs is growing, current evidence is insufficient to offer a recommendation about its role in the treatment paradigm for recurrent HGGs. ABBREVIATIONS BBB, blood-brain barrierFDA, US Food and Drug AdministrationGBM, glioblastoma multiformeHGG, high-grade gliomaLITT, laser interstitial thermal therapy.
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Affiliation(s)
- Ian Lee
- *Hermelin Brain Tumor Center, Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan; ‡Department of Neurosurgery, Mt. Sinai Beth Israel Hospital, New York City, New York
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Brown TJ, Brennan MC, Li M, Church EW, Brandmeir NJ, Rakszawski KL, Patel AS, Rizk EB, Suki D, Sawaya R, Glantz M. Association of the Extent of Resection With Survival in Glioblastoma: A Systematic Review and Meta-analysis. JAMA Oncol 2017; 2:1460-1469. [PMID: 27310651 DOI: 10.1001/jamaoncol.2016.1373] [Citation(s) in RCA: 627] [Impact Index Per Article: 89.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Importance Glioblastoma multiforme (GBM) remains almost invariably fatal despite optimal surgical and medical therapy. The association between the extent of tumor resection (EOR) and outcome remains undefined, notwithstanding many relevant studies. Objective To determine whether greater EOR is associated with improved 1- and 2-year overall survival and 6-month and 1-year progression-free survival in patients with GBM. Data Sources Pubmed, CINAHL, and Web of Science (January 1, 1966, to December 1, 2015) were systematically reviewed with librarian guidance. Additional articles were included after consultation with experts and evaluation of bibliographies. Articles were collected from January 15 to December 1, 2015. Study Selection Studies of adult patients with newly diagnosed supratentorial GBM comparing various EOR and presenting objective overall or progression-free survival data were included. Pediatric studies were excluded. Data Extraction and Synthesis Data were extracted from the text of articles or the Kaplan-Meier curves independently by investigators who were blinded to each other's results. Data were analyzed to assess mortality after gross total resection (GTR), subtotal resection (STR), and biopsy. The body of evidence was evaluated according to Grading of Recommendations Assessment, Development, and Evaluation (GRADE) criteria and PRISMA guidelines. Main Outcome and Measures Relative risk (RR) for mortality at 1 and 2 years and progression at 6 months and 1 year. Results The search produced 37 studies suitable for inclusion (41 117 unique patients). The meta-analysis revealed decreased mortality for GTR compared with STR at 1 year (RR, 0.62; 95% CI, 0.56-0.69; P < .001; number needed to treat [NNT], 9) and 2 years (RR, 0.84; 95% CI, 0.79-0.89; P < .001; NNT, 17). The 1-year risk for mortality for STR compared with biopsy was reduced significantly (RR, 0.85; 95% CI, 0.80-0.91; P < .001). The risk for mortality was similarly decreased for any resection compared with biopsy at 1 year (RR, 0.77; 95% CI, 0.71-0.84; P < .001; NNT, 21) and 2 years (RR, 0.94; 95% CI, 0.89-1.00; P = .04; NNT, 593). The likelihood of disease progression was decreased with GTR compared with STR at 6 months (RR, 0.72; 95% CI, 0.48-1.09; P = .12; NNT, 14) and 1 year (RR, 0.66; 95% CI, 0.43-0.99; P < .001; NNT, 26). The quality of the body of evidence by the GRADE criteria was moderate to low. Conclusion and Relevance This analysis represents the largest systematic review and only quantitative systematic review to date performed on this subject. Compared with STR, GTR substantially improves overall and progression-free survival, but the quality of the supporting evidence is moderate to low.
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Affiliation(s)
- Timothy J Brown
- Department of Medicine, University of Texas Southwestern Medical Center, Dallas
| | - Matthew C Brennan
- Ann Barshinger Cancer Center, Lancaster General Health, Lancaster, Pennsylvania
| | - Michael Li
- Department of Neurosurgery, University of Rochester Medical Center, Pittsford, New York
| | - Ephraim W Church
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
| | - Nicholas J Brandmeir
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
| | - Kevin L Rakszawski
- Department of Medicine, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
| | - Akshal S Patel
- Department of Neurosurgery, Swedish Cerebrovascular Institute, Seattle, Washington
| | - Elias B Rizk
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
| | - Dima Suki
- Division of Surgery, Department of Neurosurgery, University of Texas MD Anderson Cancer Center, Houston
| | - Raymond Sawaya
- Division of Surgery, Department of Neurosurgery, University of Texas MD Anderson Cancer Center, Houston
| | - Michael Glantz
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
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Marongiu A, D'Andrea G, Raco A. 1.5-T Field Intraoperative Magnetic Resonance Imaging Improves Extent of Resection and Survival in Glioblastoma Removal. World Neurosurg 2017; 98:578-586. [DOI: 10.1016/j.wneu.2016.11.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 10/30/2016] [Accepted: 11/01/2016] [Indexed: 12/26/2022]
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Ghinda D, Zhang N, Lu J, Yao CJ, Yuan S, Wu JS. Contribution of combined intraoperative electrophysiological investigation with 3-T intraoperative MRI for awake cerebral glioma surgery: comprehensive review of the clinical implications and radiological outcomes. Neurosurg Focus 2016; 40:E14. [PMID: 26926054 DOI: 10.3171/2015.12.focus15572] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
OBJECTIVE This study aimed to assess the clinical efficiency of combined awake craniotomy with 3-T intraoperative MRI (iMRI)-guided resection of gliomas adjacent to eloquent cortex performed at a single center. It also sought to explore the contribution of iMRI to surgeons' learning process of maximal safe resection of gliomas. METHODS All patients who underwent an awake craniotomy and iMRI for resection of eloquent area glioma during the 53 months between January 2011 and June 2015 were included. The cases were analyzed for short- and long-term neurological outcome, progression-free survival (PFS), overall survival (OS), and extent of resection (EOR). The learning curve was assessed after dividing the cohort into Group A (first 27 months) and Group B (last 26 months). Statistical analyses included univariate logistic regression analysis on clinical and radiological variables. Kaplan-Meier and Cox regression models were used for further analysis of OS and PFS. A p value < 0.05 was considered statistically significant. RESULTS One hundred six patients were included in the study. Over an average follow-up period of 24.8 months, short- and long-term worsening of the neurological function was noted in 48 (46.2%) and 9 (8.7%) cases, respectively. The median and mean EOR were 100% and 92%, respectively, and complete radiographic resection was achieved in 64 (60.4%) patients. The rate of gross-total resection (GTR) in the patients with low-grade glioma (89.06% ± 19.6%) was significantly lower than that in patients with high-grade glioma (96.4% ± 9.1%) (p = 0.026). Thirty (28.3%) patients underwent further resection after initial iMRI scanning, with a 10.1% increase of the mean EOR. Multivariate Cox proportional hazards modeling demonstrated that the final EOR was a significant predictor of PFS (HR 0.225, 95% CI 0.070-0.723, p = 0.012). For patients with high-grade glioma, the GTR (p = 0.033), the presence of short-term motor deficit (p = 0.027), and the WHO grade (p = 0.005) were independent prognostic factors of OS. Performing further resection after the iMRI (p = 0.083) and achieving GTR (p = 0.05) demonstrated a PFS benefit trend for the patients affected by a low-grade glioma. Over time, the rate of performing further resection after an iMRI decreased by 26.1% (p = 0.005). A nonsignificant decrease in the rate of short-term (p = 0.101) and long-term (p = 0.132) neurological deficits was equally noted. CONCLUSIONS Combined awake craniotomy and iMRI is a safe and efficient technique allowing maximal safe resection of eloquent area gliomas with possible subsequent OS and PFS benefits. Although there is a learning curve for applying this technique, it can also improve the surgeon's ability in eloquent glioma surgery.
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Affiliation(s)
- Diana Ghinda
- Glioma Surgery Division, Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China; and.,Department of Neurosurgery, The Ottawa Hospital, University of Ottawa, Ontario, Canada
| | - Nan Zhang
- Glioma Surgery Division, Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China; and
| | - Junfeng Lu
- Glioma Surgery Division, Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China; and
| | - Cheng-Jun Yao
- Glioma Surgery Division, Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China; and
| | - Shiwen Yuan
- Glioma Surgery Division, Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China; and
| | - Jin-Song Wu
- Glioma Surgery Division, Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China; and
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The Evidence Value Matrix for Diagnostic Imaging. J Am Coll Radiol 2016; 13:1253-1259. [DOI: 10.1016/j.jacr.2016.05.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 05/11/2016] [Indexed: 01/08/2023]
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Sacino MF, Ho CY, Murnick J, Keating RF, Gaillard WD, Oluigbo CO. The role of intraoperative MRI in resective epilepsy surgery for peri-eloquent cortex cortical dysplasias and heterotopias in pediatric patients. Neurosurg Focus 2016; 40:E16. [DOI: 10.3171/2016.1.focus15538] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE
Previous studies have demonstrated that an important factor in seizure freedom following surgery for lesional epilepsy in the peri-eloquent cortex is completeness of resection. However, aggressive resection of epileptic tissue localized to this region must be balanced with the competing objective of retaining postoperative neurological functioning. The objective of this study was to investigate the role of intraoperative MRI (iMRI) as a complement to existing epilepsy protocol techniques and to compare rates of seizure freedom and neurological deficit in pediatric patients undergoing resection of perieloquent lesions.
METHODS
The authors retrospectively reviewed the medical records of pediatric patients who underwent resection of focal cortical dysplasia (FCD) or heterotopia localized to eloquent cortex regions at the Children's National Health System between March 2005 and August 2015. Patients were grouped into two categories depending on whether they underwent conventional resection (n = 18) or iMRI-assisted resection (n = 11). Patient records were reviewed for factors including demographics, length of hospitalization, postoperative seizure freedom, postoperative neurological deficit, and need for reoperation. Postsurgical seizure outcome was assessed at the last postoperative follow-up evaluation using the Engel Epilepsy Surgery Outcome Scale.
RESULTS
At the time of the last postoperative follow-up examination, 9 (82%) of the 11 patients in the iMRI resection group were seizure free (Engel Class I), compared with 7 (39%) of the 18 patients in the control resection group (p = 0.05). Ten (91%) of the 11 patients in the iMRI cohort achieved gross-total resection (GTR), compared with 8 (44%) of 18 patients in the conventional resection cohort (p = 0.02). One patient in the iMRI-assisted resection group underwent successful reoperation at a later date for residual dysplasia, compared with 7 patients in the conventional resection cohort (with 2/7 achieving complete resection). Four (36%) of the patients in the iMRI cohort developed postoperative neurological deficits, compared with 15 patients (83%) in the conventional resection cohort (p = 0.02).
CONCLUSIONS
These results suggest that in comparison with a conventional surgical protocol and technique for resection of epileptic lesions in peri-eloquent cortex, the incorporation of iMRI led to elevated rates of GTR and postoperative seizure freedom. Furthermore, this study suggests that iMRI-assisted surgeries are associated with a reduction in neurological deficits due to intraoperative damage of eloquent cortex.
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Quick-Weller J, Lescher S, Forster MT, Konczalla J, Seifert V, Senft C. Combination of 5-ALA and iMRI in re-resection of recurrent glioblastoma. Br J Neurosurg 2016; 30:313-7. [PMID: 26743016 DOI: 10.3109/02688697.2015.1119242] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Background Tumour resection plays a role in the initial treatment but also in the setting of recurrent glioblastoma (rGBM). To achieve maximum resection, 5-aminolevulinic acid (5-ALA) and intraoperative MRI (iMRI) are used as surgical tools. Aiming at complete tumour re-resection, we started combining iMRI with 5-ALA to find out if this leads to better surgical results. Methods We performed tumour resections in seven patients with rGBM, combining 5-ALA (20 mg/kg bodyweight) with iMRI (0.15 T). Radiologically complete resections were intended in all seven patients. We assessed intraoperative fluorescence findings and compared these with intraoperative imaging. All patients had early postoperative MRI (3 T) to verify final iMRI scans and received adjuvant treatment according to interdisciplinary tumour board decision. Results Median patient age was 63 years. Median KPS score was 90, and median tumour volume was 8.2 cm(3). In six of seven patients (85%), 5-ALA induced fluorescence of tumour-tissue was detected intraoperatively. All tumours were good to visualise with iMRI and contrast media. One patient received additional resection of residual contrast enhancing tissue on intraoperative imaging, which did not show fluorescence. Radiologically complete resections according to early postoperative MRI were achieved in all patients. Median survival since second surgery was 7.6 months and overall survival since diagnosis was 27.8 months. Conclusions 5-ALA and iMRI are important surgical tools to maximise tumour resection also in rGBM. However, not all rGBMs exhibit fluorescence after 5-ALA administration. We propose the combined use of 5-ALA and iMRI in the surgery of rGBM.
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Affiliation(s)
- Johanna Quick-Weller
- a Department of Neurosurgery , Goethe-University Frankfurt , Frankfurt , Germany
| | - Stephanie Lescher
- b Institute of Neuroradiology, Goethe-University Frankfurt , Frankfurt , Germany
| | | | - Jürgen Konczalla
- a Department of Neurosurgery , Goethe-University Frankfurt , Frankfurt , Germany
| | - Volker Seifert
- a Department of Neurosurgery , Goethe-University Frankfurt , Frankfurt , Germany
| | - Christian Senft
- a Department of Neurosurgery , Goethe-University Frankfurt , Frankfurt , Germany
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Lescher S, Jurcoane A, Schniewindt S, Senft C, Hattingen E. Misleading FLAIR imaging pattern after glioma surgery with intraoperative MRI. Neurosurg Rev 2015. [PMID: 26201972 DOI: 10.1007/s10143-015-0653-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Intraoperative MRI (iMRI) allows a more detailed appreciation of the extent of resection than does conventional neurosurgery and results in longer overall survival in patients with malignant glioma. However, it is unknown whether the intraoperative application of contrast agent influences the early postsurgical MRI. The preceding iMRI could alter the signals of MR sequences in the early postsurgical MRI, especially in sequences influenced by T1 contrast. Hereby, we investigate such iMRI-induced influences on the fluid-attenuated inversion recovery (FLAIR) sequence. We retrospectively analyzed postsurgical T2w, T1w, and FLAIR images by visual inspection and by signal measurements in 46 patients with malignant gliomas after tumor resection. Of these, n = 25 patients were operated with conventional microsurgery, and n = 21 patients were operated with contrast-enhanced iMRI-guided microsurgery. We measured signal intensity in the resection cavity, in the cerebrospinal fluid (CSF) of the ventricles, and in the normal brain tissue contralateral to the tumor-bearing hemisphere on axial FLAIR images and T1-weighted and T2-weighted images. In 18 patients, the FLAIR sequence revealed hyperintense signal changes of the CSF in the subarachnoid or ventricular spaces. Seventeen of these 18 patients had received intraoperative MRI. In both FLAIR and T1-weighted images, the signal of the CSF in the ventricles was significantly higher in patients with iMRI than in patients without iMRI. The intraoperative application of contrast agent that is used for iMRI significantly influences postsurgical MRI within the first 72 h. We found hyperintense signal changes of the CSF in the FLAIR sequence in the subarachnoid and intraventricular spaces mimicking subarachnoid hemorrhage. The findings may result in a misdiagnosis of subarachnoid hemorrhage (SAH) in these patients.
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Affiliation(s)
- Stephanie Lescher
- Institute of Neuroradiology, Hospital of Goethe University, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany.
| | - Alina Jurcoane
- Institute of Neuroradiology, Hospital of Goethe University, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
| | - Sonja Schniewindt
- Institute of Neuroradiology, Hospital of Goethe University, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
| | - Christian Senft
- Department of Neurosurgery, Hospital of Goethe University, Frankfurt am Main, Germany
| | - Elke Hattingen
- Institute of Neuroradiology, Hospital of Goethe University, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
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Young RM, Jamshidi A, Davis G, Sherman JH. Current trends in the surgical management and treatment of adult glioblastoma. ANNALS OF TRANSLATIONAL MEDICINE 2015. [PMID: 26207249 DOI: 10.3978/j.issn.2305-5839.2015.05.10] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
This manuscript discusses the current surgical management of glioblastoma. This paper highlights the common pathophysiology attributes of glioblastoma, surgical options for diagnosis/treatment, current thoughts of extent of resection (EOR) of tumor, and post-operative (neo)adjuvant treatment. Glioblastoma is not a disease that can be cured with surgery alone, however safely performed maximal surgical resection is shown to significantly increase progression free and overall survival while maximizing quality of life. Upon invariable tumor recurrence, re-resection also is shown to impact survival in a select group of patients. As adjuvant therapy continues to improve survival, the role of surgical resection in the treatment of glioblastoma looks to be further defined.
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Affiliation(s)
- Richard M Young
- Department of Neurological Surgery, George Washington University Medical Center, Washington, DC 20037, USA
| | - Aria Jamshidi
- Department of Neurological Surgery, George Washington University Medical Center, Washington, DC 20037, USA
| | - Gregory Davis
- Department of Neurological Surgery, George Washington University Medical Center, Washington, DC 20037, USA
| | - Jonathan H Sherman
- Department of Neurological Surgery, George Washington University Medical Center, Washington, DC 20037, USA
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Hawasli AH, Kim AH, Dunn GP, Tran DD, Leuthardt EC. Stereotactic laser ablation of high-grade gliomas. Neurosurg Focus 2015; 37:E1. [PMID: 25434378 DOI: 10.3171/2014.9.focus14471] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Evolving research has demonstrated that surgical cytoreduction of a high-grade glial neoplasm is an important factor in improving the prognosis of these difficult tumors. Recent advances in intraoperative imaging have spurred the use of stereotactic laser ablation (laser interstitial thermal therapy [LITT]) for intracranial lesions. Among other targets, laser ablation has been used in the focal treatment of high-grade gliomas (HGGs). The revived application of laser ablation for gliomas parallels major advancements in intraoperative adjuvants and groundbreaking molecular advances in neuro-oncology. The authors review the research on stereotactic LITT for the treatment of HGGs and provide a potential management algorithm for HGGs that incorporates LITT in clinical practice.
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Calligaris D, Feldman DR, Norton I, Brastianos PK, Dunn IF, Santagata S, Agar NYR. Molecular typing of Meningiomas by Desorption Electrospray Ionization Mass Spectrometry Imaging for Surgical Decision-Making. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY 2015; 377:690-698. [PMID: 25844057 PMCID: PMC4379512 DOI: 10.1016/j.ijms.2014.06.024] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Meningiomas are the most frequent intracranial tumors. The majority is benign slow-growing tumors but they can be difficult to treat depending on their location and size. While meningiomas are well delineated on magnetic resonance imaging by their uptake of contrast, surgical limitations still present themselves from not knowing the extent of invasion of the dura matter by meningioma cells. The development of tools to characterize tumor tissue in real or near real time could prevent recurrence after tumor resection by allowing for more precise surgery, i.e. removal of tumor with preservation of healthy tissue. The development of ambient ionization mass spectrometry for molecular characterization of tissue and its implementation in the surgical decision-making workflow carry the potential to fulfill this need. Here, we present the characterization of meningioma and dura mater by desorption electrospray ionization mass spectrometry to validate the technique for the molecular assessment of surgical margins and diagnosis of meningioma from surgical tissue in real-time. Nine stereotactically resected surgical samples and three autopsy samples were analyzed by standard histopathology and mass spectrometry imaging. All samples indicated a strong correlation between results from both techniques. We then highlight the value of desorption electrospray ionization mass spectrometry for the molecular subtyping/subgrouping of meningiomas from a series of forty genetically characterized specimens. The minimal sample preparation required for desorption electrospray ionization mass spectrometry offers a distinct advantage for applications relying on real-time information such as surgical decision-making. The technology here was tested to distinguish meningioma from dura mater as an approach to precisely define surgical margins. In addition we classify meningiomas into fibroblastic and meningothelial subtypes and more notably recognize meningiomas with NF2 genetic aberrations.
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Affiliation(s)
- David Calligaris
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115
| | - Daniel R. Feldman
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, 02115
| | - Isaiah Norton
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115
| | - Priscilla K. Brastianos
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02115
| | - Ian F. Dunn
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115
| | - Sandro Santagata
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, 02115
| | - Nathalie Y. R. Agar
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115
- Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115
- Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02115
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Mohammadi AM, Sullivan TB, Barnett GH, Recinos V, Angelov L, Kamian K, Vogelbaum MA. Use of high-field intraoperative magnetic resonance imaging to enhance the extent of resection of enhancing and nonenhancing gliomas. Neurosurgery 2014; 74:339-48; discussion 349; quiz 349-50. [PMID: 24368543 DOI: 10.1227/neu.0000000000000278] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Intraoperative magnetic resonance imaging (IoMRI) is used to improve the extent of resection of brain tumors. Most previous studies evaluating the utility of IoMRI have focused on enhancing tumors. OBJECTIVE To report our experience with the use of high-field IoMRI (1.5 T) for both enhancing and nonenhancing gliomas. METHODS An institutional review board-approved retrospective review was performed of 102 consecutive glioma patients (104 surgeries, 2010-2012). Pre-, intra-, and postoperative tumor volumes were assessed. Analysis was performed with the use of volumetric T2 images in 43 nonenhancing and 13 minimally enhancing tumors and with postcontrast volumetric magnetization-prepared rapid gradient-echo images in 48 enhancing tumors. RESULTS In 58 cases, preoperative imaging showed tumors likely to be amenable to complete resection. Intraoperative electrocorticography was performed in 32 surgeries, and 14 cases resulted in intended subtotal resection of tumors due to involvement of deep functional structures. No further resection (complete resection before IoMRI) was required in 25 surgeries, and IoMRI showed residual tumor in 79 patients. Of these, 25 surgeries did not proceed to further resection (9 due to electrocorticography findings, 14 due to tumor in deep functional areas, and 2 due to surgeon choice). Additional resection that was performed in 54 patients resulted in a final median residual tumor volume of 0.21 mL (0.6%). In 79 patients amenable to complete resection, the intraoperative median residual tumor volume for the T2 group was higher than for the magnetization-prepared rapid gradient-echo group (1.088 mL vs 0.437 mL; P = .049), whereas the postoperative median residual tumor volume was not statistically significantly different between groups. CONCLUSION IoMRI enhances the extent of resection, particularly for nonenhancing gliomas.
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Affiliation(s)
- Alireza Mohammad Mohammadi
- Rose Ella Burkhardt Brain Tumor and Neuro-Oncology Center, Department of Neurosurgery, Neurological Institute, Cleveland Clinic, Cleveland, Ohio
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Abstract
Malignant astrocytomas constitute the most aggressive and common primary tumors of the central nervous system. The standard treatment protocol for these tumors involves maximum safe surgical resection with adjuvant chemoradiotherapy. Despite numerous advances in surgical techniques and adjuncts, as well as the ongoing renaissance in the genetic and molecular characterization of these tumors, malignant astrocytomas continue to be associated with poor prognosis, with median overall survival averaging 15 months for grade IV astrocytomas after standard-of-care treatment. In this article, the goals, principles, techniques, prognostic factors, and modern outcomes of malignant astrocytoma surgery are reviewed. Particular attention is paid to contemporary methods of neuronavigation and functional mapping, the prognostic significance of the extent of resection, surgically delivered adjunctive therapies, and future avenues of research.
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Affiliation(s)
- Eli T Sayegh
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Taemin Oh
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Shayan Fakurnejad
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Daniel E Oyon
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Orin Bloch
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Andrew T Parsa
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL.
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Maximizing the extent of resection and survival benefit of patients in glioblastoma surgery: High-field iMRI versus conventional and 5-ALA-assisted surgery. Eur J Surg Oncol 2014; 40:297-304. [DOI: 10.1016/j.ejso.2013.11.022] [Citation(s) in RCA: 100] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 10/16/2013] [Accepted: 11/23/2013] [Indexed: 11/19/2022] Open
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LIANG RUICHAO, FANG FANG. THE APPLICATION OF NANOMATERIALS IN DIAGNOSIS AND TREATMENT FOR MALIGNANT PRIMARY BRAIN TUMORS. NANO 2014. [DOI: 10.1142/s1793292014300011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Malignant primary brain tumors have a very high morbidity and mortality. Even though enormous advances have been made in primary brain tumor management, in the case of malignant primary brain tumors, current diagnostic strategies cannot identify exact infiltrating margins, surgery alone cannot achieve total mass resection, and adjuvant therapies cannot improve survivals. Therefore, there is an urgent need to explore novel strategies to diagnose and treat such infiltrating brain tumors. Nanomaterials, particularly zero-dimensional and one-dimensional platforms, can carry various compounds such as contrast agents, anticancer drugs and genes into brain tumor cells specifically. Thus, contrast agent-based nanomaterials can selectively present infiltrating tumor outlines, while anticancer agent-based nanomaterials can specifically kill malignant tumor cells. In addition, dual-targeting nanomaterials, multifunctional nanocarriers, theranostic nanovehicles as well as convection-enhanced delivery technology hold promise to increase drug accumulation in tumor tissues, which could largely improve anticancer efficacy. In this review, we will mainly focus on the application of nanomaterials in preoperative diagnosis, intraoperative diagnosis and adjuvant treatment for malignant primary brain tumors.
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Affiliation(s)
- RUICHAO LIANG
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, P. R. China
| | - FANG FANG
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, P. R. China
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Avula S, Pettorini B, Abernethy L, Pizer B, Williams D, Mallucci C. High field strength magnetic resonance imaging in paediatric brain tumour surgery--its role in prevention of early repeat resections. Childs Nerv Syst 2013; 29:1843-50. [PMID: 23673720 DOI: 10.1007/s00381-013-2106-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2013] [Accepted: 04/05/2013] [Indexed: 10/26/2022]
Abstract
PURPOSE The purpose of this study is to compare the surgical and imaging outcome in children who underwent brain tumour surgery with intention of complete tumour resection, prior to and following the start of intra-operative MRI (ioMRI) service. METHODS ioMRI service for brain tumour resection commenced in October 2009. A cohort of patients operated between June 2007 and September 2009 with a pre-surgical intention of complete tumour resection were selected (Group A). A similar number of consecutive cases were selected from a prospective database of patients undergoing ioMRI (Group B). The demographics, imaging, pathology and surgical outcome of both groups were compared. RESULTS Thirty-six of 47 cases from Group A met the inclusion criterion and 36 cases were selected from Group B; 7 of the 36 cases in Group A had unequivocal evidence of residual tumour on the post-operative scan; 5 (14%) of them underwent repeat resection within 6 months post-surgery. In Group B, ioMRI revealed unequivocal evidence of residual tumour in 11 of the 36 cases following initial resection. In 10 of these 11 cases, repeat resections were performed during the same surgical episode and none of these 11 cases required repeat surgery in the following 6 months. Early repeat resection rate was significantly different between both groups (p = 0.003). CONCLUSION Following the advent of ioMRI at our institution, the need for repeat resection within 6 months has been prevented in cases where ioMRI revealed unequivocal evidence of residual tumour.
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Affiliation(s)
- Shivaram Avula
- Department of Radiology, Alder Hey Children's NHS Foundation Trust, Eaton Road, Liverpool, L12 2AP, UK,
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Slotty PJ, Siantidis B, Beez T, Steiger HJ, Sabel M. The impact of improved treatment strategies on overall survival in glioblastoma patients. Acta Neurochir (Wien) 2013; 155:959-63; discussion 963. [PMID: 23588276 DOI: 10.1007/s00701-013-1693-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2013] [Accepted: 03/21/2013] [Indexed: 11/27/2022]
Abstract
BACKGROUND The introduction of ALA-Fluorescence-guided surgery (FGS) followed by concomitant radiochemotherapy according to the Stupp-protocol is representative of the major changes in glioblastoma therapy in the past years. We were interested in the impact of this new first-line treatment on the overall survival of patients suffering from newly diagnosed primary glioblastoma in a retrospective single-centre study. METHOD For this retrospective analysis, data was derived from a prospective single-centre database. Patients were divided into three treatment groups: A (FGS-/radiochemotherapy-), B (FGS-/radiochemotherapy+) and C (FGS+/radiochemotherapy+). Further stratification was applied regarding MGMT-methylation status and degree of resection. Statistical analysis was performed to determine factors (treatment regime, age, gender, performance status, MGMT promoter methylation status) significantly influencing overall survival (OAS). RESULTS Two hundred and fifty-three patients suffering from primary glioblastoma treated by cytoreductive surgery between 2002 and 2009 were included in this survey. Median OAS differed significantly between the treatment groups (A = 8.8, B = 16.6, C = 20.1, p < 0.01). Resection data was available in all 253 patients. The usage of FGS highly significantly correlated with a complete resection (p < 0.01). Complete resection was positively correlated with an increase in OAS (complete 20.3 months vs. incomplete 9.3 months, p < 0.01). CONCLUSIONS FGS and radiochemotherapy according to the Stupp protocol have induced an impressive improvement in overall survival in glioblastoma patients. This effect is not limited to clinical trials, but is reproducible in daily routine.
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Affiliation(s)
- P J Slotty
- Neurochirurgische Klinik, Heinrich-Heine-Universität Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany.
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Soleman J, Fathi AR, Marbacher S, Fandino J. The role of intraoperative magnetic resonance imaging in complex meningioma surgery. Magn Reson Imaging 2013; 31:923-9. [PMID: 23453762 DOI: 10.1016/j.mri.2012.12.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 12/03/2012] [Accepted: 12/24/2012] [Indexed: 11/25/2022]
Abstract
Intraoperative magnetic resonance imaging (iMRI) has gained importance in the treatment of gliomas and sellar tumors. In intracranial meningiomas, the extent of surgical tumor removal is one of the most important factors in the prevention of tumor recurrence and patient survival. Complex meningiomas located at the skull base or near eloquent brain regions show higher recurrence rates, morbidity and mortality. The aim of this study was to evaluate whether iMRI contributes to more extensive surgical resection in these tumors. Patients undergoing complex meningioma resection using iMRI from January 2007 to January 2011 were included in this study. The indication for iMRI-guided tumor resection included patients presenting with meningiomas located in the skull base or compressing eloquent brain areas in whom a radical resection was considered to be difficult. Intraoperative 0.15-T MRI scan (PoleStar; Medtronic Navigation, Louisville, CO, USA) was performed before and after maximal possible resection using standard microsurgical and neuronavigation techniques. All patients underwent fluorescence-guided resection. The following data were analyzed: tumor localization, histological grade, Simpson resection grade, duration of the procedure, iMRI scan time, iMRI findings, resection extent based on postresection iMRI, hospitalization time, surgical complications and outcome, and MRI follow-up 2-27months postoperation. Twenty-seven consecutive patients undergoing complex meningioma resection using iMRI were included. In this series, only one patient (3.4%) underwent resection of tumor remnant after iMRI, although without improvement of the Simpson resection grade. Temporary neurologic deficits were found in 8 patients (27.6%) postoperatively, whereas 11 patients (37.9%) had permanent postoperative neurologic deficits. In one case (3.4%), fatal postoperative bleeding occurred which was not detected by iMRI. Our results show that iMRI has no influence on intraoperative strategy in terms of resection grade or detection of early postoperative complications. The benefits of iMRI in complex meningioma surgery are therefore doubtful; however, it may still prove to be effective in certain subsets of complex meningiomas.
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Affiliation(s)
- Jehuda Soleman
- Department of Neurosurgery, Kantonsspital Aarau, 5001 Aarau, Switzerland
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Eyüpoglu IY, Buchfelder M, Savaskan NE. Surgical resection of malignant gliomas-role in optimizing patient outcome. Nat Rev Neurol 2013; 9:141-51. [PMID: 23358480 DOI: 10.1038/nrneurol.2012.279] [Citation(s) in RCA: 100] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Malignant gliomas represent one of the most devastating human diseases. Primary treatment of these tumours involves surgery to achieve tumour debulking, followed by a multimodal regimen of radiotherapy and chemotherapy. Survival time in patients with malignant glioma has modestly increased in recent years owing to advances in surgical and intraoperative imaging techniques, as well as the systematic implementation of randomized trial-based protocols and biomarker-based stratification of patients. The role and importance of several clinical and molecular factors-such as age, Karnofsky score, and genetic and epigenetic status-that have predictive value with regard to postsurgical outcome has also been identified. By contrast, the effect of the extent of glioma resection on patient outcome has received little attention, with an 'all or nothing' approach to tumour removal still taken in surgical practice. Recent studies, however, reveal that maximal possible cytoreduction without incurring neurological deficits has critical prognostic value for patient outcome and survival. Here, we evaluate state-of-the-art surgical procedures that are used in management of malignant glioma, with a focus on assessment criteria and value of tumour reduction. We highlight key surgical factors that enable optimization of adjuvant treatment to enhance patient quality of life and improve life expectancy.
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Affiliation(s)
- Ilker Y Eyüpoglu
- Department of Neurosurgery, University of Erlangen-Nuremberg, Schwabachanlage 6, D-91054 Erlangen, Germany.
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Pitz MW, Lipson M, Hosseini B, Lambert P, Guilbert K, Lister D, Schroeder G, Jones K, Mihalicioiu C, Eisenstat DD. Extended adjuvant temozolomide with cis-retinoic acid for adult glioblastoma. ACTA ACUST UNITED AC 2013; 19:308-14. [PMID: 23300356 DOI: 10.3747/co.19.1151] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
OBJECTIVE To determine the toxicity and effectiveness of 24 months of adjuvant temozolomide (tmz) with cis-retinoic acid (cra) for patients with glioblastoma. METHODS This retrospective population-based review considered the charts of all patients diagnosed with glioblastoma in Manitoba and referred to a provincial cancer centre during 2002-2008. Consecutive patients came from a population-based referral centre and provincial cancer registry. All patients were treated according to the local standard of care with surgical resection followed by concurrent radiotherapy and tmz 75 mg/m(2) daily, followed by tmz 150-200 mg/m(2) for days 1-5, repeated every 28 days for up to 24 cycles, and cra 50 mg/m(2) twice daily for days 1-21, repeated every 28 days. The main outcome measures were safety, tolerability, and effectiveness of long-term tmz and cra. RESULTS Of 247 patients diagnosed with glioblastoma in Manitoba during the study period, 116 started concurrent chemoradiotherapy, and 80 received adjuvant tmz. Of the patients who started concurrent chemoradiotherapy, 80 began adjuvant chemotherapy. Patients completed a median of 5.5 cycles of tmz and 3 cycles of cra. Grade 3 or 4 hematologic toxicity was noted in 16% of patients. Median overall survival was 15.1 months, and 26.7% of patients remained alive at 2 years. CONCLUSIONS Extended adjuvant tmz and cra is well tolerated. However, the population-based effectiveness of this regimen is similar to the clinical trial efficacy of 6 months of adjuvant tmz. Future studies in glioblastoma should incorporate duration of adjuvant chemotherapy into the study design.
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Affiliation(s)
- M W Pitz
- Department of Internal Medicine, University of Manitoba, Winnipeg, MB. ; Department of Haematology/Medical Oncology, CancerCare Manitoba, Winnipeg, MB
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Colditz MJ, Jeffree RL. Aminolevulinic acid (ALA)-protoporphyrin IX fluorescence guided tumour resection. Part 1: Clinical, radiological and pathological studies. J Clin Neurosci 2012; 19:1471-4. [PMID: 22959448 DOI: 10.1016/j.jocn.2012.03.009] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Accepted: 03/10/2012] [Indexed: 11/19/2022]
Abstract
The intraoperative identification and resection of glioma is a significant and important challenge in neurosurgery. Complete resection of the enhancing tumour increases the median survival time in glioblastoma compared to partial glioma resection; however, it is achieved in fewer than half of eligible patients when conventional tumour identification methods are used. Increasing the incidence of complete resection, without causing excess morbidity, requires new methods to accurately identify neoplastic tissue intraoperatively, such as use of the drug 5-amino-levulinic acid (ALA). After ALA ingestion, the fluorescent molecule protoporphyrin IX (PpIX) accumulates in high grade glioma, allowing the neurosurgeon to more easily detect and accurately resect tumour. The utility of ALA has been demonstrated in a large, multicentre phase III randomised control trial of 243 patients with high grade glioma. ALA use led to a significant increase in the incidence of complete resection (65% compared to 36%), improved progression-free survival at 6 months (41% compared to 21%), fewer reinterventions, and delayed onset of neurological deterioration. This review provides a broad assessment of ALA-PpIX fluorescence-guided resection, with Part 1 focusing on its clinical efficacy, and correlations with imaging and histology. The theoretical, biochemical and practical aspects of ALA use are reviewed in Part 2.
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Affiliation(s)
- Michael J Colditz
- Kenneth G Jamieson Department of Neurosurgery, Royal Brisbane & Women's Hospital, Herston, Queensland 4029, Australia
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Nduom EK, Bouras A, Kaluzova M, Hadjipanayis CG. Nanotechnology applications for glioblastoma. Neurosurg Clin N Am 2012; 23:439-49. [PMID: 22748656 DOI: 10.1016/j.nec.2012.04.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Glioblastoma remains one of the most difficult cancers to treat and represents the most common primary malignancy of the brain. Although conventional treatments have found modest success in reducing the initial tumor burden, infiltrating cancer cells beyond the main mass are responsible for tumor recurrence and ultimate patient demise. Targeting residual infiltrating cancer cells requires the development of new treatment strategies. The emerging field of cancer nanotechnology holds promise in the use of multifunctional nanoparticles for imaging and targeted therapy of glioblastoma. This article examines the current state of nanotechnology in the treatment of glioblastoma and directions of further study.
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Affiliation(s)
- Edjah K Nduom
- Department of Neurosurgery, Emory University School of Medicine, Winship Cancer Institute of Emory University, Atlanta, GA 30322, USA
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Senft C, Forster MT, Bink A, Mittelbronn M, Franz K, Seifert V, Szelényi A. Optimizing the extent of resection in eloquently located gliomas by combining intraoperative MRI guidance with intraoperative neurophysiological monitoring. J Neurooncol 2012; 109:81-90. [PMID: 22528791 DOI: 10.1007/s11060-012-0864-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2011] [Accepted: 03/29/2012] [Indexed: 10/28/2022]
Abstract
Several methods have been introduced to improve the extent of resection in glioma surgery. Yet, radical tumor resections must not be attempted at the cost of neurological deterioration. We sought to assess whether the use of an intraoperative MRI (iMRI) in combination with multimodal neurophysiological monitoring is suitable to increase the extent of resection without endangering neurological function in patients with eloquently located gliomas. Fifty-four patients were included in this study. In 21 patients (38.9 %), iMRI led to additional tumor resection. A radiologically complete resection was achieved in 31 patients (57.4 %), while in 12 of these, iMRI had depicted residual tumor tissue before resection was continued. The mean extent of resection was 92.1 % according to volumetric analyses. Postoperatively, 13 patients (24.1 %) showed new or worsening of pre-existing sensory motor deficits. They were severe in 4 patients (7.4 %). There was no correlation between the occurrence of either any new (P = 0.77) or severe (P = 1.0) sensory motor deficit and continued resection after intraoperative image acquisition. Likewise, tumor location, histology, and tumor recurrence did not influence complication rate on uni- and multivariate analysis. We conclude that the combination of iMRI guidance with multimodal neurophysiological monitoring allows for extended resections in glioma surgery without inducing higher rates of neurological deficits, even in patients with eloquently located tumors.
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Affiliation(s)
- Christian Senft
- Department of Neurosurgery, Johann Wolfgang Goethe-University, Schleusenweg 2-16, 60528, Frankfurt, Germany.
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Yamaguchi S, Kobayashi H, Terasaka S, Ishii N, Ikeda J, Kanno H, Nishihara H, Tanaka S, Houkin K. The impact of extent of resection and histological subtype on the outcome of adult patients with high-grade gliomas. Jpn J Clin Oncol 2012; 42:270-7. [PMID: 22399670 DOI: 10.1093/jjco/hys016] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE We reviewed the relationship between extent of resection and survival of patients with high-grade gliomas with special consideration of an oligodendroglial component. METHODS A retrospective review was performed on 160 adult patients with histological diagnosis of high-grade gliomas since 2000. All histological slides were categorized as high-grade astrocytomas or oligodendroglial tumors. Extent of resection was assessed by early post-operative magnetic resonance imaging and classified as complete resection, incomplete resection and biopsy. Measured outcomes were overall survival and progression-free survival. The independent association of extent of resection and survival was analyzed by the multivariate proportional hazard model adjusting for prognostic factors. RESULTS The lesions were classified as high-grade astrocytomas in 93 patients and high-grade oligodendroglial tumors in 67 patients. In high-grade astrocytomas, the median survival after complete resection (n = 36), incomplete resection (n = 36) and biopsy (n = 21) was 23.4, 15.3 and 12.6 months, respectively. Complete resection was independently associated with increased overall survival (P < 0.001) and progression-free survival (P = 0.002) compared with incomplete resection, while incomplete resection was not associated with survival benefit compared with biopsy by multivariate analysis. On the other hand, in high-grade oligodendroglial tumors, the majority of patients were still alive and there is no significant difference in the survival between complete resection (n = 24) and incomplete resection (n = 33), while even incomplete resection had a significantly longer overall survival (P < 0.001) and progression-free survival (P = 0.006) compared with biopsy (n = 10). CONCLUSIONS Maximal cytoreduction improves the survival of high-grade gliomas, although our data indicated that the impact of extent of resection in high-grade astrocytomas is different from that in high-grade oligodendroglial tumors.
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Affiliation(s)
- Shigeru Yamaguchi
- Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, North-15, West-7, Kita-ku, Sapporo 060-8638, Japan.
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Wankhede M, Bouras A, Kaluzova M, Hadjipanayis CG. Magnetic nanoparticles: an emerging technology for malignant brain tumor imaging and therapy. Expert Rev Clin Pharmacol 2012; 5:173-86. [PMID: 22390560 PMCID: PMC3461264 DOI: 10.1586/ecp.12.1] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Magnetic nanoparticles (MNPs) represent a promising nanomaterial for the targeted therapy and imaging of malignant brain tumors. Conjugation of peptides or antibodies to the surface of MNPs allows direct targeting of the tumor cell surface and potential disruption of active signaling pathways present in tumor cells. Delivery of nanoparticles to malignant brain tumors represents a formidable challenge due to the presence of the blood-brain barrier and infiltrating cancer cells in the normal brain. Newer strategies permit better delivery of MNPs systemically and by direct convection-enhanced delivery to the brain. Completion of a human clinical trial involving direct injection of MNPs into recurrent malignant brain tumors for thermotherapy has established their feasibility, safety and efficacy in patients. Future translational studies are in progress to understand the promising impact of MNPs in the treatment of malignant brain tumors.
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Affiliation(s)
- Mamta Wankhede
- Brain Tumor Nanotechnology Laboratory, Department of Neurosurgery, Emory University School of Medicine, Winship Cancer Institute of Emory University, 1365B Clifton Road NE, Suite 6200, Atlanta, GA 30322, USA
| | - Alexandros Bouras
- Brain Tumor Nanotechnology Laboratory, Department of Neurosurgery, Emory University School of Medicine, Winship Cancer Institute of Emory University, 1365B Clifton Road NE, Suite 6200, Atlanta, GA 30322, USA
| | - Milota Kaluzova
- Brain Tumor Nanotechnology Laboratory, Department of Neurosurgery, Emory University School of Medicine, Winship Cancer Institute of Emory University, 1365B Clifton Road NE, Suite 6200, Atlanta, GA 30322, USA
| | - Costas G Hadjipanayis
- Brain Tumor Nanotechnology Laboratory, Department of Neurosurgery, Emory University School of Medicine, Winship Cancer Institute of Emory University, 1365B Clifton Road NE, Suite 6200, Atlanta, GA 30322, USA
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Czyż M, Tabakow P, Lechowicz-Głogowska B, Jarmundowicz W. Prospective study on the efficacy of low-field intraoperative magnetic resonance imaging in neurosurgical operations. Neurol Neurochir Pol 2011; 45:226-34. [PMID: 21866479 DOI: 10.1016/s0028-3843(14)60075-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND AND PURPOSE The application of intraoperative magnetic resonance imaging (iMRI) is related to a series of challenges of both a technical and an organizational nature. We present our experience in the application of low-field iMRI in everyday neurosurgical practice. MATERIAL AND METHODS A group of 58 patients operated on using low-field iMRI was subject to prospective controlled observation. The significance of differences in the range of preparation time, duration and direct operation results between the iMRI group and controls was analysed. The influence of epidemiological and demographic factors and technical aspects related to iMRI application on direct outcome of the surgery was assessed. RESULTS Twenty-eight tumour resections using craniotomy, 17 transsphenoidal resections of pituitary adenomas and 13 stereotactic procedures were conducted in the group of 24 men and 34 women operated on using iMRI. The control group was not significantly different in terms of epidemiological and demographic factors. The preparation and operation times were significantly longer in the iMRI group (p < 0.001 and p = 0.002, respectively). Longer duration of the surgery was not related to an increased frequency of complications. A higher percentage of postoperative improvement in neurological status (31% vs. 14%, p = 0.045), lower complication percentage (10% vs. 28%, p = 0.03) and a similar time of hospitalization (13 ± 7 vs. 12 ± 4 days, p = 0.33) were noted in the iMRI group. CONCLUSIONS The application of low-field iMRI prolongs the duration of neurosurgical procedures but does not negatively influence their safety. It is associated with above-average functional results and a lower percentage of total complications.
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Affiliation(s)
- Marcin Czyż
- Katedra i Klinika Neurochirurgii, Akademicki Szpital Kliniczny AM we Wrocławiu, ul. Borowska 213, Wrocław.
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Senft C, Bink A, Franz K, Vatter H, Gasser T, Seifert V. Intraoperative MRI guidance and extent of resection in glioma surgery: a randomised, controlled trial. Lancet Oncol 2011; 12:997-1003. [PMID: 21868284 DOI: 10.1016/s1470-2045(11)70196-6] [Citation(s) in RCA: 536] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Intraoperative MRI is increasingly used in neurosurgery, although there is little evidence for its use. We aimed to assess efficacy of intraoperative MRI guidance on extent of resection in patients with glioma. METHODS In our prospective, randomised, parallel-group trial, we enrolled adults (≥18 years) with contrast enhancing gliomas amenable to radiologically complete resection who presented to Goethe University (Frankfurt, Germany). We randomly assigned patients (1:1) with computer-generated blocks of four and a sealed-envelope design to undergo intraoperative MRI-guided surgery or conventional microsurgery (control group). Surgeons and patients were unmasked to treatment group allocation, but an independent neuroradiologist was masked during analysis of all preoperative and postoperative imaging data. The primary endpoint was rate of complete resections as established by early postoperative high-field MRI (1·5 T or 3·0 T). Analysis was done per protocol. This study is registered with ClinicalTrials.gov, number NCT01394692. FINDINGS We enrolled 58 patients between Oct 1, 2007, and July 1, 2010. 24 (83%) of 29 patients randomly allocated to the intraoperative MRI group and 25 (86%) of 29 controls were eligible for analysis (four patients in each group had metastasis and one patient in the intraoperative MRI group withdrew consent after randomisation). More patients in the intraoperative MRI group had complete tumour resection (23 [96%] of 24 patients) than did in the control group (17 [68%] of 25, p=0·023). Postoperative rates of new neurological deficits did not differ between patients in the intraoperative MRI group (three [13%] of 24) and controls (two [8%] of 25, p=1·0). No patient for whom use of intraoperative MRI led to continued resection of residual tumour had neurological deterioration. One patient in the control group died before 6 months. INTERPRETATION Our study provides evidence for the use of intraoperative MRI guidance in glioma surgery: such imaging helps surgeons provide the optimum extent of resection. FUNDING None.
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Affiliation(s)
- Christian Senft
- Department of Neurosurgery, Goethe University, Frankfurt, Germany.
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Kubben PL, ter Meulen KJ, Schijns OEMG, ter Laak-Poort MP, van Overbeeke JJ, van Santbrink H. Intraoperative MRI-guided resection of glioblastoma multiforme: a systematic review. Lancet Oncol 2011; 12:1062-70. [PMID: 21868286 DOI: 10.1016/s1470-2045(11)70130-9] [Citation(s) in RCA: 275] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
We did a systematic review to address the added value of intraoperative MRI (iMRI)-guided resection of glioblastoma multiforme compared with conventional neuronavigation-guided resection, with respect to extent of tumour resection (EOTR), quality of life, and survival. 12 non-randomised cohort studies matched all selection criteria and were used for qualitative synthesis. Most of the studies included descriptive statistics of patient populations of mixed pathology, and iMRI systems of varying field strengths between 0·15 and 1·5 Tesla. Most studies provided information on EOTR, but did not always mention how iMRI affected the surgical strategy. Only a few studies included information on quality of life or survival for subpopulations with glioblastoma multiforme or high-grade glioma. Several limitations and sources of bias were apparent, which affected the conclusions drawn and might have led to overestimation of the added value of iMRI-guided surgery for resection of glioblastoma multiforme. Based on the available literature, there is, at best, level 2 evidence that iMRI-guided surgery is more effective than conventional neuronavigation-guided surgery in increasing EOTR, enhancing quality of life, or prolonging survival after resection of glioblastoma multiforme.
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Affiliation(s)
- Pieter L Kubben
- Department of Neurosurgery, Maastricht University Medical Center, AZ Maastricht, Netherlands.
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Hofmann BM, Nimsky C, Fahlbusch R. Benefit of 1.5-T intraoperative MR imaging in the surgical treatment of craniopharyngiomas. Acta Neurochir (Wien) 2011; 153:1377-90; discussion 1390. [PMID: 21479997 DOI: 10.1007/s00701-011-0973-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2010] [Accepted: 02/10/2011] [Indexed: 11/24/2022]
Abstract
BACKGROUND As low-field magnetic resonance imaging (MRI) has very limited significance for intraoperative control of total tumor removal (TTR), we examined the influence of 1.5-T MRI, incorporating higher resolution into the intraoperative strategy of craniopharyngioma surgery. METHODS Surgery with intraoperative imaging was performed in 25 selected patients in whom tumor resection was anticipated to be difficult according to pre-operative findings. RESULTS Intraoperative MRI confirmed the intended extent of tumor removal in 15 patients (14 TTRs, one intended incomplete removal, while a second procedure was scheduled due to complex shape). Misinterpretation was false positive or negative in one patient each. The extent of removal was not achieved as expected in eight patients (expectation: seven TTRs, one incomplete removal). In three patients, the expected TTR was achieved by resuming surgery. In another case, that goal was accomplished by performing an unscheduled second procedure. In total, by using intraoperative imaging, the rate of TTR was increased by 16% (four patients), leading to 80% in the entire series. Compared with the literature, the rate of new ophthalmologic and endocrine deficits is acceptable; the rate of other surgical complication is slightly higher but not directly caused by intraoperative imaging. CONCLUSION Intraoperative 1.5-T MRI provides benefits because of good early prediction of TTR (sensitivity, positive predictive value: 93.8%; specificity, negative predictive value: 88.9%) and a low rate of false-positive results. Moreover, extended resection of remnants visualized is enabled and helps to increase the rate of TTR but does not exclude recurrence.
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Affiliation(s)
- Bernd M Hofmann
- Department of Neurosurgery, University of Halle/Saale, Halle, Germany.
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