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Nasir-Moin M, Wadiura LI, Sacalean V, Juros D, Movahed-Ezazi M, Lock EK, Smith A, Lee M, Weiss H, Müther M, Alber D, Ratna S, Fang C, Suero-Molina E, Hellwig S, Stummer W, Rössler K, Hainfellner JA, Widhalm G, Kiesel B, Reichert D, Mischkulnig M, Jain R, Straehle J, Neidert N, Schnell O, Beck J, Trautman J, Pastore S, Pacione D, Placantonakis D, Oermann EK, Golfinos JG, Hollon TC, Snuderl M, Freudiger CW, Heiland DH, Orringer DA. Localization of protoporphyrin IX during glioma-resection surgery via paired stimulated Raman histology and fluorescence microscopy. Nat Biomed Eng 2024; 8:672-688. [PMID: 38987630 DOI: 10.1038/s41551-024-01217-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 04/20/2024] [Indexed: 07/12/2024]
Abstract
The most widely used fluorophore in glioma-resection surgery, 5-aminolevulinic acid (5-ALA), is thought to cause the selective accumulation of fluorescent protoporphyrin IX (PpIX) in tumour cells. Here we show that the clinical detection of PpIX can be improved via a microscope that performs paired stimulated Raman histology and two-photon excitation fluorescence microscopy (TPEF). We validated the technique in fresh tumour specimens from 115 patients with high-grade gliomas across four medical institutions. We found a weak negative correlation between tissue cellularity and the fluorescence intensity of PpIX across all imaged specimens. Semi-supervised clustering of the TPEF images revealed five distinct patterns of PpIX fluorescence, and spatial transcriptomic analyses of the imaged tissue showed that myeloid cells predominate in areas where PpIX accumulates in the intracellular space. Further analysis of external spatially resolved metabolomics, transcriptomics and RNA-sequencing datasets from glioblastoma specimens confirmed that myeloid cells preferentially accumulate and metabolize PpIX. Our findings question 5-ALA-induced fluorescence in glioma cells and show how 5-ALA and TPEF imaging can provide a window into the immune microenvironment of gliomas.
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Affiliation(s)
- Mustafa Nasir-Moin
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | | | - Vlad Sacalean
- Department of Neurosurgery, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Microenvironment and Immunology Research Laboratory, Medical Center - University of Freiburg, Freiburg, Germany
| | - Devin Juros
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | | | - Emily K Lock
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | - Andrew Smith
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | - Matthew Lee
- Department of Radiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Hannah Weiss
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | - Michael Müther
- Department of Neurosurgery, Münster University Hospital, Münster, Germany
| | - Daniel Alber
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | | | - Camila Fang
- Department of Pathology, NYU Grossman School of Medicine, New York, NY, USA
| | - Eric Suero-Molina
- Department of Neurosurgery, Münster University Hospital, Münster, Germany
| | - Sönke Hellwig
- Department of Neurosurgery, Münster University Hospital, Münster, Germany
| | - Walter Stummer
- Department of Neurosurgery, Münster University Hospital, Münster, Germany
| | - Karl Rössler
- Department of Neurosurgery, Medical University Vienna, Vienna, Austria
| | - Johannes A Hainfellner
- Division of Neuropathology and Neurochemistry (Obersteiner Institute), Department of Neurology, Medical University Vienna, Vienna, Austria
| | - Georg Widhalm
- Department of Neurosurgery, Medical University Vienna, Vienna, Austria
| | - Barbara Kiesel
- Department of Neurosurgery, Medical University Vienna, Vienna, Austria
| | - David Reichert
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Mario Mischkulnig
- Department of Neurosurgery, Medical University Vienna, Vienna, Austria
| | - Rajan Jain
- Department of Radiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Jakob Straehle
- Department of Neurosurgery, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Berta-Ottenstein Clinician Scientist Program, Faculty of Medicine, University Freiburg, Freiburg, Germany
| | - Nicolas Neidert
- Department of Neurosurgery, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Berta-Ottenstein Clinician Scientist Program, Faculty of Medicine, University Freiburg, Freiburg, Germany
| | - Oliver Schnell
- Department of Neurosurgery, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Translational NeuroOncology Research Group, Medical Center - University of Freiburg, Freiburg, Germany
| | - Jürgen Beck
- Department of Neurosurgery, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center for NeuroModulation (NeuroModul), University of Freiburg, Freiburg, Germany
| | | | | | - Donato Pacione
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | | | - Eric Karl Oermann
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
- Center for Data Science, New York University, New York, USA
| | - John G Golfinos
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | - Todd C Hollon
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Matija Snuderl
- Department of Pathology, NYU Grossman School of Medicine, New York, NY, USA
| | | | - Dieter Henrik Heiland
- Department of Neurosurgery, Medical Center - University of Freiburg, Freiburg, Germany.
- Faculty of Medicine, University of Freiburg, Freiburg, Germany.
- Microenvironment and Immunology Research Laboratory, Medical Center - University of Freiburg, Freiburg, Germany.
- Comprehensive Cancer Center Freiburg (CCCF), Medical Center - University of Freiburg, Freiburg, Germany.
- German Cancer Consortium (DKTK), partner site Freiburg, Freiburg, Germany.
| | - Daniel A Orringer
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA.
- Department of Pathology, NYU Grossman School of Medicine, New York, NY, USA.
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2
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Chumnanvej S, Chumnanvej S, Tripathi S. Assessing the benefits of digital twins in neurosurgery: a systematic review. Neurosurg Rev 2024; 47:52. [PMID: 38236336 DOI: 10.1007/s10143-023-02260-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/17/2023] [Accepted: 12/22/2023] [Indexed: 01/19/2024]
Abstract
Digital twins are virtual replicas of their physical counterparts, and can assist in delivering personalized surgical care. This PRISMA guideline-based systematic review evaluates current literature addressing the effectiveness and role of digital twins in many stages of neurosurgical management. The aim of this review is to provide a high-quality analysis of relevant, randomized controlled trials and observational studies addressing the neurosurgical applicability of a variety of digital twin technologies. Using pre-specified criteria, we evaluated 25 randomized controlled trials and observational studies on the applications of digital twins, including navigation, robotics, and image-guided neurosurgeries. All 25 studies compared these technologies against usual surgical approaches. Risk of bias analyses using the Cochrane risk of bias tool for randomized trials (Rob 2) found "low" risk of bias in the majority of studies (23/25). Overall, this systematic review shows that digital twin applications have the potential to be more effective than conventional neurosurgical approaches when applied to brain and spinal surgery. Moreover, the application of these novel technologies may also lead to fewer post-operative complications.
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Affiliation(s)
- Sorayouth Chumnanvej
- Neurosurgery Division, Department of Surgery, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Siriluk Chumnanvej
- Department of Anesthesiology and Operating Room, Phramongkutklao Hospital, Bangkok, Thailand
| | - Susmit Tripathi
- Department of Neurology, New York Presbyterian-Weill Cornell Medical Center, New York, NY, USA.
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3
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Bhattacharya S, Prajapati BG, Singh S, Anjum MM. Nanoparticles drug delivery for 5-aminolevulinic acid (5-ALA) in photodynamic therapy (PDT) for multiple cancer treatment: a critical review on biosynthesis, detection, and therapeutic applications. J Cancer Res Clin Oncol 2023; 149:17607-17634. [PMID: 37776358 DOI: 10.1007/s00432-023-05429-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 09/13/2023] [Indexed: 10/02/2023]
Abstract
Photodynamic therapy (PDT) is a promising cancer treatment that kills cancer cells selectively by stimulating reactive oxygen species generation with photosensitizers exposed to specific light wavelengths. 5-aminolevulinic acid (5-ALA) is a widely used photosensitizer. However, its limited tumour penetration and targeting reduce its therapeutic efficacy. Scholars have investigated nano-delivery techniques to improve 5-ALA administration and efficacy in PDT. This review summarises recent advances in biological host biosynthetic pathways and regulatory mechanisms for 5-ALA production. The review also highlights the potential therapeutic efficacy of various 5-ALA nano-delivery modalities, such as nanoparticles, liposomes, and gels, in treating various cancers. Although promising, 5-ALA nano-delivery methods face challenges that could impair targeting and efficacy. To determine their safety and biocompatibility, extensive preclinical and clinical studies are required. This study highlights the potential of 5-ALA-NDSs to improve PDT for cancer treatment, as well as the need for additional research to overcome barriers and improve medical outcomes.
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Affiliation(s)
- Sankha Bhattacharya
- Department of Pharmaceutics, School of Pharmacy & Technology Management, SVKM'S NMIMS Deemed-to-be University, Shirpur, Maharashtra, 425405, India.
| | - Bhuphendra G Prajapati
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Gujarat, Kherva, 384012, India.
| | - Sudarshan Singh
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Md Meraj Anjum
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, 226025, India
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Liaropoulos I, Liaropoulos A, Liaropoulos K. Critical Assessment of Cancer Characterization and Margin Evaluation Techniques in Brain Malignancies: From Fast Biopsy to Intraoperative Flow Cytometry. Cancers (Basel) 2023; 15:4843. [PMID: 37835537 PMCID: PMC10571534 DOI: 10.3390/cancers15194843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 09/29/2023] [Accepted: 10/01/2023] [Indexed: 10/15/2023] Open
Abstract
Brain malignancies, given their intricate nature and location, present significant challenges in both diagnosis and treatment. This review critically assesses a range of diagnostic and surgical techniques that have emerged as transformative tools in brain malignancy management. Fast biopsy techniques, prioritizing rapid and minimally invasive tissue sampling, have revolutionized initial diagnostic stages. Intraoperative flow cytometry (iFC) offers real-time cellular analysis during surgeries, ensuring optimal tumor resection. The advent of intraoperative MRI (iMRI) has seamlessly integrated imaging into surgical procedures, providing dynamic feedback and preserving critical brain structures. Additionally, 5-aminolevulinic acid (5-ALA) has enhanced surgical precision by inducing fluorescence in tumor cells, aiding in their complete resection. Several other techniques have been developed in recent years, including intraoperative mass spectrometry methodologies. While each technique boasts unique strengths, they also present potential limitations. As technology and research continue to evolve, these methods are set to undergo further refinement. Collaborative global efforts will be pivotal in driving these advancements, promising a future of improved patient outcomes in brain malignancy management.
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Herta J, Cho A, Roetzer-Pejrimovsky T, Höftberger R, Marik W, Kronreif G, Peilnsteiner T, Rössler K, Wolfsberger S. Optimizing maximum resection of glioblastoma: Raman spectroscopy versus 5-aminolevulinic acid. J Neurosurg 2023; 139:334-343. [PMID: 36681953 DOI: 10.3171/2022.11.jns22693] [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: 03/22/2022] [Accepted: 11/16/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE The objective of this study was to assess and compare the potential of 5-aminolevulinic acid (5-ALA) and Raman spectroscopy (RS) in detecting tumor-infiltrated brain in patients with glioblastoma (GBM). METHODS Between July 2020 and October 2021, the authors conducted a prospective clinical trial with 15 patients who underwent neurosurgical treatment of newly diagnosed and histologically verified GBM. A solid contrast-enhancing tumor core and peritumoral tissue were investigated intraoperatively for cancer cells by using 5-ALA and RS to achieve pathology-tailored maximum resection. In each case, a minimum of 10 biopsies were sampled from navigation-guided areas. Two neuropathologists examined the biopsies for the presence of neoplastic cells. The detection performance of 5-ALA and RS alone and in combination was assessed. Pre- and postoperative MRI, Karnofsky Performance Status (KPS), and National Institutes of Health Stroke Scale (NIHSS) scores were compared, and median progression-free survival (PFS) was evaluated. RESULTS A total of 185 biopsy samples were harvested from the contrast-enhancing tumor core (n = 19) and peritumoral tissue (n = 166). In the tumor core, 5-ALA and RS each showed a sensitivity of 100%. In the peritumoral tissue, 5-ALA was less sensitive than RS in detecting cancer (46% vs 69%) but showed higher specificity (81% vs 57%). When the two methods were combined, the accuracy of tumor detection was increased by about 10%. Pathology-tailored resection led to a 52% increase in resection volume comparing the volume of preoperative contrast enhancement with the postoperative resection cavity on MRI (p = 0.0123). Eloquent brain involvement prevented gross-total resection in 4 patients. Four weeks after surgery, mean KPS (p = 0.7637) and NIHSS scores (p = 0.3146) were not significantly different from preoperative values. Of the 13 patients who had received postoperative chemoradiotherapy, 4 did not show any progression after a median follow-up of 14 months. The remaining 9 patients had a median PFS of 8 months. CONCLUSIONS According to the study data, RS is capable of detecting tumor-infiltrated brain with higher sensitivity but lower specificity than the current standard of 5-ALA. With further technological and workflow advancements, RS in combination with protoporphyrin IX fluorescence may contribute to pathology-tailored glioma resection in the future.
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Affiliation(s)
- Johannes Herta
- 1Department of Neurosurgery, Medical University of Vienna
| | - Anna Cho
- 1Department of Neurosurgery, Medical University of Vienna
| | | | - Romana Höftberger
- 2Department of Neurology, Division of Neuropathology and Neurochemistry, Medical University of Vienna
| | - Wolfgang Marik
- 3Division of Neuroradiology and Musculoskeletal Radiology, Medical University of Vienna; and
| | - Gernot Kronreif
- 4Austrian Center for Medical Innovation and Technology (ACMIT), Wiener Neustadt, Austria
| | | | - Karl Rössler
- 1Department of Neurosurgery, Medical University of Vienna
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6
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Giantini-Larsen AM, Kharas N, Pisapia D, Schwartz TH. Histology of high-grade glioma samples resected using 5-ALA fluorescent headlight and loupe combination. Acta Neurochir (Wien) 2023; 165:567-575. [PMID: 36656388 DOI: 10.1007/s00701-023-05496-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 01/05/2023] [Indexed: 01/20/2023]
Abstract
PURPOSE 5-Aminolevulinic acid (5-ALA) fluorescence-guided resection of high-grade gliomas (HGG) increases the extent of resection (EOR) and progression-free survival. The headlamp/loupe combination has been introduced as a method of performing fluorescent-guided surgery. This study aims to understand the correlation between fluorescent intensity and histology and between residual fluorescence and radiographic EOR utilizing the headlamp/loupe device. METHODS Intraoperative samples resected using the headlamp/loupe device from 14 patients were labeled as PINK, VAGUE, or NEGATIVE depending on the degree of fluorescence. Histological assessment of microvascular proliferation, necrosis, and cell density was performed, and samples were classified as histologically consistent with glioblastoma (GBM), high-grade infiltrating glioma (HGIG), IG, or non-diagnostic (NDX). The presence of intraoperative residual fluorescence was compared to EOR on post-operative MRI. RESULTS There was a significant difference in cell density comparing PINK, VAGUE, and NEGATIVE specimens (ANOVA, p < 0.00001). The PPV of PINK for GBM or HGIG was 88.4% (38/43). The NPV of NEGATIVE for IG or NDX was 74.4% (29/39). The relationship between the degree of fluorescence determination and histological results was significant (X2 (6 degrees of freedom, N = 101) = 42.57, p < 0.00001). The PPV of intraoperative GTR for post-operative GTR on MRI was 100%, while the NPV of intraoperative STR for post-operative STR on MRI was 60%. CONCLUSION The headlamp/loupe device provides information about histology, cell density, and necrosis with similar PPV for tumor to the operative microscope. Safe complete resection of florescence has a PPV of 100% for radiographic GTR and should be the goal of surgery.
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Affiliation(s)
- Alexandra M Giantini-Larsen
- Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, NY, USA
| | - Natasha Kharas
- Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, NY, USA
| | - David Pisapia
- Department of Pathology, Weill Cornell Medicine, New York Presbyterian Hospital, New York, NY, USA
| | - Theodore H Schwartz
- Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, NY, USA. .,Department of Neurosurgery, New York-Presbyterian Hospital, 525 East 68th Street, Box #99, New York, NY, 10065, USA.
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7
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Reichert D, Wadiura LI, Erkkilae MT, Gesperger J, Lang A, Roetzer-Pejrimovsky T, Makolli J, Woehrer A, Wilzbach M, Hauger C, Kiesel B, Andreana M, Unterhuber A, Drexler W, Widhalm G, Leitgeb RA. Flavin fluorescence lifetime and autofluorescence optical redox ratio for improved visualization and classification of brain tumors. Front Oncol 2023; 13:1105648. [PMID: 36890834 PMCID: PMC9986542 DOI: 10.3389/fonc.2023.1105648] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 02/07/2023] [Indexed: 02/22/2023] Open
Abstract
Purpose Modern techniques for improved tumor visualization have the aim to maximize the extent of resection during brain tumor surgery and thus improve patient prognosis. Optical imaging of autofluorescence is a powerful and non-invasive tool to monitor metabolic changes and transformation in brain tumors. Cellular redox ratios can be retrieved from fluorescence emitted by the coenzymes reduced nicotinamide adenine dinucleotide (phosphate) (NAD(P)H) and flavin adenine dinucleotide (FAD). Recent studies point out that the influence of flavin mononucleotide (FMN) has been underestimated. Experimental design Fluorescence lifetime imaging and fluorescence spectroscopy were performed through a modified surgical microscope. We acquired 361 flavin fluorescence lifetime (500-580 nm) and fluorescence spectra (430-740 nm) data points on freshly excised different brain tumors: low-grade gliomas (N=17), high-grade gliomas (N=42), meningiomas (N=23), metastases (N=26) and specimens from the non-tumorous brain (N=3). Results Protein-bound FMN fluorescence in brain tumors did increase with a shift toward a more glycolytic metabolism (R=-0.87). This increased the average flavin fluorescence lifetime in tumor entities with respect to the non-tumorous brain. Further, these metrics were characteristic for the different tumor entities and showed promise for machine learning based brain tumor classification. Conclusions Our results shed light on FMN fluorescence in metabolic imaging and outline the potential for supporting the neurosurgeon in visualizing and classifying brain tumor tissue during surgery.
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Affiliation(s)
- David Reichert
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria.,Christian Doppler Laboratory for Innovative Optical Imaging and its Translation to Medicine (OPTRAMED), Medical University of Vienna, Vienna, Austria
| | - Lisa I Wadiura
- Department of Neurosurgery, General Hospital and Medical University of Vienna, Vienna, Austria
| | - Mikael T Erkkilae
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Johanna Gesperger
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria.,Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Alexandra Lang
- Department of Neurosurgery, General Hospital and Medical University of Vienna, Vienna, Austria
| | - Thomas Roetzer-Pejrimovsky
- Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Jessica Makolli
- Department of Neurosurgery, General Hospital and Medical University of Vienna, Vienna, Austria
| | - Adelheid Woehrer
- Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Marco Wilzbach
- Advanced Development Microsurgery, Carl Zeiss Meditec AG, Oberkochen, Germany
| | - Christoph Hauger
- Advanced Development Microsurgery, Carl Zeiss Meditec AG, Oberkochen, Germany
| | - Barbara Kiesel
- Department of Neurosurgery, General Hospital and Medical University of Vienna, Vienna, Austria
| | - Marco Andreana
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Angelika Unterhuber
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Wolfgang Drexler
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Georg Widhalm
- Department of Neurosurgery, General Hospital and Medical University of Vienna, Vienna, Austria
| | - Rainer A Leitgeb
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria.,Christian Doppler Laboratory for Innovative Optical Imaging and its Translation to Medicine (OPTRAMED), Medical University of Vienna, Vienna, Austria
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8
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Van Hese L, De Vleeschouwer S, Theys T, Rex S, Heeren RMA, Cuypers E. The diagnostic accuracy of intraoperative differentiation and delineation techniques in brain tumours. Discov Oncol 2022; 13:123. [PMID: 36355227 PMCID: PMC9649524 DOI: 10.1007/s12672-022-00585-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/22/2022] [Indexed: 11/11/2022] Open
Abstract
Brain tumour identification and delineation in a timeframe of seconds would significantly guide and support surgical decisions. Here, treatment is often complicated by the infiltration of gliomas in the surrounding brain parenchyma. Accurate delineation of the invasive margins is essential to increase the extent of resection and to avoid postoperative neurological deficits. Currently, histopathological annotation of brain biopsies and genetic phenotyping still define the first line treatment, where results become only available after surgery. Furthermore, adjuvant techniques to improve intraoperative visualisation of the tumour tissue have been developed and validated. In this review, we focused on the sensitivity and specificity of conventional techniques to characterise the tumour type and margin, specifically fluorescent-guided surgery, neuronavigation and intraoperative imaging as well as on more experimental techniques such as mass spectrometry-based diagnostics, Raman spectrometry and hyperspectral imaging. Based on our findings, all investigated methods had their advantages and limitations, guiding researchers towards the combined use of intraoperative imaging techniques. This can lead to an improved outcome in terms of extent of tumour resection and progression free survival while preserving neurological outcome of the patients.
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Affiliation(s)
- Laura Van Hese
- Division of Mass Spectrometry Imaging, Maastricht MultiModal Molecular Imaging (M4I) Institute, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, The Netherlands
- Department of Anaesthesiology, University Hospitals Leuven, 3000, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, 3000, Leuven, Belgium
| | - Steven De Vleeschouwer
- Neurosurgery Department, University Hospitals Leuven, 3000, Leuven, Belgium
- Laboratory for Experimental Neurosurgery and Neuroanatomy, Department of Neurosciences, Leuven Brain Institute (LBI), 3000, Leuven, Belgium
| | - Tom Theys
- Neurosurgery Department, University Hospitals Leuven, 3000, Leuven, Belgium
- Laboratory for Experimental Neurosurgery and Neuroanatomy, Department of Neurosciences, Leuven Brain Institute (LBI), 3000, Leuven, Belgium
| | - Steffen Rex
- Department of Anaesthesiology, University Hospitals Leuven, 3000, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, 3000, Leuven, Belgium
| | - Ron M A Heeren
- Division of Mass Spectrometry Imaging, Maastricht MultiModal Molecular Imaging (M4I) Institute, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, The Netherlands
| | - Eva Cuypers
- Division of Mass Spectrometry Imaging, Maastricht MultiModal Molecular Imaging (M4I) Institute, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, The Netherlands.
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9
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Surgical Treatment of Glioblastoma: State-of-the-Art and Future Trends. J Clin Med 2022; 11:jcm11185354. [PMID: 36143001 PMCID: PMC9505564 DOI: 10.3390/jcm11185354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/17/2022] [Accepted: 08/31/2022] [Indexed: 11/22/2022] Open
Abstract
Glioblastoma (GBM) is a highly aggressive disease and is associated with poor prognosis despite treatment advances in recent years. Surgical resection of tumor remains the main therapeutic option when approaching these patients, especially when combined with adjuvant radiochemotherapy. In the present study, we conducted a comprehensive literature review on the state-of-the-art and future trends of the surgical treatment of GBM, emphasizing topics that have been the object of recent study.
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10
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Li G, Rodrigues A, Kim L, Garcia C, Jain S, Zhang M, Hayden-Gephart M. 5-Aminolevulinic Acid Imaging of Malignant Glioma. Surg Oncol Clin N Am 2022; 31:581-593. [DOI: 10.1016/j.soc.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Zeppa P, De Marco R, Monticelli M, Massara A, Bianconi A, Di Perna G, Greco Crasto S, Cofano F, Melcarne A, Lanotte MM, Garbossa D. Fluorescence-Guided Surgery in Glioblastoma: 5-ALA, SF or Both? Differences between Fluorescent Dyes in 99 Consecutive Cases. Brain Sci 2022; 12:brainsci12050555. [PMID: 35624942 PMCID: PMC9138621 DOI: 10.3390/brainsci12050555] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/23/2022] [Accepted: 04/24/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Glioblastoma (GBM) is the most common primary brain tumor. The extent of resection (EOR) has been claimed as one of the most important prognostic factors. Fluorescent dyes aid surgeons in detecting a tumor’s borders. 5-aminolevulinic acid (5-ALA) and sodium fluorescein (SF) are the most used. Only a few studies have directly compared these two fluorophores. Methods: A single center retrospective analysis of patients treated for GBM in the period between January 2018 and January 2021 was built to find any differences in terms of EOR, Karnofsky Performance Status (KPS), and overall survival (OS) on the use of 5-ALA, SF, or both. Results: Overall, 99 patients affected by isocitrate dehydrogenase (IDH) wild-type Glioblastoma were included. 5-ALA was administered to 40 patients, SF to 44, and both to 15. No statistically significant associations were identified between the fluorophore and EOR (p = 0.783) or postoperative KPS (p = 0.270). Survival analyses did not show a selective advantage for the use of a given fluorophore (p = 0.184), although there appears to be an advantageous trend associated with the concomitant use of both dyes, particularly after stratification by MGMT (p = 0.071). Conclusions: 5-Ala and SF are equally useful in achieving gross total resection of the enhancing tumor volume. The combination of both fluorophores could lead to an OS advantage.
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Affiliation(s)
- Pietro Zeppa
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
| | - Raffaele De Marco
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
- Correspondence:
| | - Matteo Monticelli
- Neurosurgery Unit, Department of Neuroscience and Rehabilitation, University of Ferrara, 44124 Ferrara, Italy;
| | - Armando Massara
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
| | - Andrea Bianconi
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
| | - Giuseppe Di Perna
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
| | | | - Fabio Cofano
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
- Humanitas Gradenigo Hospital, 10153 Turin, Italy
| | - Antonio Melcarne
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
| | - Michele Maria Lanotte
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
| | - Diego Garbossa
- Neurosurgery Unit, Department of Neuroscience Rita Levi Montalcini, Città della Salute e della Scienza University Hospital, University of Turin, 10126 Turin, Italy; (P.Z.); (A.M.); (A.B.); (G.D.P.); (F.C.).; (A.M.); (M.M.L.); (D.G.)
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12
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Van Hese L, De Vleeschouwer S, Theys T, Larivière E, Solie L, Sciot R, Siegel TP, Rex S, Heeren RM, Cuypers E. Towards real-time intraoperative tissue interrogation for REIMS-guided glioma surgery. J Mass Spectrom Adv Clin Lab 2022; 24:80-89. [PMID: 35572786 PMCID: PMC9095887 DOI: 10.1016/j.jmsacl.2022.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 04/27/2022] [Accepted: 04/27/2022] [Indexed: 11/17/2022] Open
Abstract
REIMS can differentiate glioblastoma from normal brain with 99.2% sensitivity. Starting from 5% glioblastoma, REIMS showed a 100% correct classification rate. Low-grade gliomas can be identified with a 97.5% sensitivity.
Introduction Objectives Methods Results Conclusion
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Affiliation(s)
- Laura Van Hese
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, 6229 ER Maastricht, The Netherlands
- Department of Anaesthesiology, UZ Leuven; Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium
| | - Steven De Vleeschouwer
- Department of Neurosurgery, Laboratory for Experimental Neurosurgery and Neuroanatomy, UZ Leuven, KU Leuven, 3000 Leuven, Belgium
| | - Tom Theys
- Department of Neurosurgery, Laboratory for Experimental Neurosurgery and Neuroanatomy, UZ Leuven, KU Leuven, 3000 Leuven, Belgium
| | - Emma Larivière
- Department of Neurosurgery, Laboratory for Experimental Neurosurgery and Neuroanatomy, UZ Leuven, KU Leuven, 3000 Leuven, Belgium
| | - Lien Solie
- Department of Neurosurgery, Laboratory for Experimental Neurosurgery and Neuroanatomy, UZ Leuven, KU Leuven, 3000 Leuven, Belgium
| | - Raf Sciot
- Department of Pathology, University Hospitals Leuven, KU Leuven, 3000 Leuven, Belgium
| | - Tiffany Porta Siegel
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Steffen Rex
- Department of Anaesthesiology, UZ Leuven; Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium
| | - Ron M.A. Heeren
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Eva Cuypers
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, 6229 ER Maastricht, The Netherlands
- Corresponding author at: M4I Institute, Division of Imaging Mass Spectrometry, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands.
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13
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The Combined Use of 5-ALA and Chlorin e6 Photosensitizers for Fluorescence-Guided Resection and Photodynamic Therapy under Neurophysiological Control for Recurrent Glioblastoma in the Functional Motor Area after Ineffective Use of 5-ALA: Preliminary Results. Bioengineering (Basel) 2022; 9:bioengineering9030104. [PMID: 35324793 PMCID: PMC8945443 DOI: 10.3390/bioengineering9030104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/25/2022] [Accepted: 03/01/2022] [Indexed: 11/17/2022] Open
Abstract
The treatment of glial brain tumors is an unresolved problem in neurooncology, and all existing methods (tumor resection, chemotherapy, radiotherapy, radiosurgery, fluorescence diagnostics, photodynamic therapy, etc.) are directed toward increasing progression-free survival for patients. Fluorescence diagnostics and photodynamic therapy are promising methods for achieving gross total resection and additional treatment of residual parts of the tumor. However, sometimes the use of one photosensitizer for photodynamic therapy does not help, and the time until tumor relapse barely increases. This translational case report describes the preliminary results of the first combined use of 5-ALA and chlorin e6 photosensitizers for fluorescence-guided resection and photodynamic therapy of glioblastoma, which allowed us to perform total resection of tumor tissue according to magnetic resonance and computed tomography images, remove additional tissue with increased fluorescence intensity without neurophysiological consequences, and perform additional therapy. Two months after surgery, no recurrent tumor and no contrast uptake in the tumor bed were detected. Additionally, the patient had ischemic changes in the access zone and along the periphery and cystic-glial changes in the left parietal lobe.
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14
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Ricciardi L, Sturiale CL, Scerrati A, Stifano V, Somma T, Ius T, Trungu S, Acqui M, Raco A, Miscusi M, Della Pepa GM. 5-Aminolevulinic Acid False-Positive Rates in Newly Diagnosed and Recurrent Glioblastoma: Do Pseudoprogression and Radionecrosis Play a Role? A Meta-Analysis. Front Oncol 2022; 12:848036. [PMID: 35252015 PMCID: PMC8891510 DOI: 10.3389/fonc.2022.848036] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 01/24/2022] [Indexed: 01/15/2023] Open
Abstract
Background Several studies have confirmed the impact of 5-aminolevulinic acid (5-ALA) on the extent of resection in newly diagnosed glioblastoma (GBM). However, there are controversies on the 5-ALA fluorescence status in recurrent GBM surgery, with specific reference to pseudoprogression or radionecrosis; therefore, the safety and accuracy of surgical planning in 5-ALA-assisted procedures in the recurrent context are still unclear. Materials and Methods This is a systematic review and meta-analysis of comparative studies on the use of 5-ALA in newly diagnosed and recurrent GBM, consistently conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. Data on fluorescence status and correlation between fluorescence and histological findings were collected. We performed a meta-analysis of proportions to estimate the pooled rates of each outcome. Results Three online medical databases (PubMed, Scopus, Cochrane Library) were screened, 448 articles were evaluated, and 3 papers were finally included for data analysis. Fluorescence rate was not different between newly diagnosed and recurrent GBM [p = 0.45; odds ratio (OR): 1.23; 95% CI: 0.72–2.09; I2 = 0%], while the rate of 5-ALA fluorescence-positive areas not associated with histological findings of GBM cells was higher in recurrent GBM (p = 0.04; OR: 0.24; 95% CI: 0.06–0.91; I2 = 19%). Furthermore, there were no cases of radionecrosis in false-positive samples, while inflammation and signs of pseudoprogression were found in 81.4% of the cases. Discussion and Conclusions Therefore, a robust awareness of 5-ALA potentialities and pitfalls in recurrent GBM surgery should be considered for a cognizant surgical strategy. Further clinical trials could confirm the results of the present meta-analysis.
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Affiliation(s)
- Luca Ricciardi
- Division of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, Italy
| | - Carmelo Lucio Sturiale
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, Rome, Italy
- Division of Neurosurgery, Catholic University of Rome, Rome, Italy
| | - Alba Scerrati
- Neurosurgery Department, S. Anna University Hospital, Ferrara, Italy
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Vito Stifano
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, Rome, Italy
- Division of Neurosurgery, Catholic University of Rome, Rome, Italy
| | - Teresa Somma
- Division of Neurosurgery, Department of Neurosciences and Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy
| | - Tamara Ius
- Division of Neurosurgery, Neuroscience Department, University Hospital of Udine, Udine, Italy
| | - Sokol Trungu
- Division of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, Italy
- Neurosurgery Unit, Cardinal G. Panico Hospital, Tricase, Italy
- *Correspondence: Sokol Trungu,
| | - Michele Acqui
- Division of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, Italy
| | - Antonino Raco
- Division of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, Italy
| | - Massimo Miscusi
- Division of Neurosurgery, Sant’Andrea Hospital, Department of Neuroscience, Mental Health and Sense Organs (NESMOS), Sapienza University of Rome, Rome, Italy
| | - Giuseppe Maria Della Pepa
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, Rome, Italy
- Division of Neurosurgery, Catholic University of Rome, Rome, Italy
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15
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Kozlikina EI, Efendiev KT, Grigoriev AY, Bogdanova OY, Trifonov IS, Krylov VV, Loschenov VB. A Pilot Study of Fluorescence-Guided Resection of Pituitary Adenomas with Chlorin e6 Photosensitizer. Bioengineering (Basel) 2022; 9:bioengineering9020052. [PMID: 35200407 PMCID: PMC8869665 DOI: 10.3390/bioengineering9020052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 12/13/2022] Open
Abstract
Fluorescence diagnostics is one of the promising methods for intraoperative detection of brain tumor boundaries and helps in maximizing the extent of resection. This paper presents the results of a pilot study on the first use of the chlorin e6 photosensitizer and a two-channel video system for fluorescence-guided resection of pituitary adenomas. The study’s clinical part involved two patients diagnosed with hormonally inactive pituitary macroadenomas and one patient with a hormonally active one. All neoplasms had different sizes and growth patterns. The data showed accumulation of chlorin e6 in tumor tissues in high concentrations: Patient 1: 2 mg/kg, Patient 2: 5 mg/kg, and Patient 3: 4 mg/kg. For Patient 1, the residual part of the tumor was not resected since it was intimately attached to the anterior genu of the internal carotid artery. For Patients 2 and 3, no regions of increased Ce6 accumulation were detected in the tumor foci after resection. Therefore, the use of the Ce6 and a two-channel video system helped to achieve a high degree of tumor resection in each case.
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Affiliation(s)
- Elizaveta I. Kozlikina
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia; (K.T.E.); (V.B.L.)
- Institute for Physics and Engineering in Biomedicine, National Research Nuclear University MEPhI, 115409 Moscow, Russia
- Correspondence:
| | - Kanamat T. Efendiev
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia; (K.T.E.); (V.B.L.)
- Institute for Physics and Engineering in Biomedicine, National Research Nuclear University MEPhI, 115409 Moscow, Russia
| | - Andrey Yu. Grigoriev
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
- The National Medical Research Centre for Endocrinology, 117292 Moscow, Russia
| | - Olesia Y. Bogdanova
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
| | - Igor S. Trifonov
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
| | - Vladimir V. Krylov
- Federal State Budgetary Educational Institution of Higher Education “A.I. Evdokimov Moscow State University of Medicine and Dentistry”, The Ministry of Healthcare of the Russian Federation, 127473 Moscow, Russia; (A.Y.G.); (O.Y.B.); (I.S.T.); (V.V.K.)
| | - Victor B. Loschenov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia; (K.T.E.); (V.B.L.)
- Institute for Physics and Engineering in Biomedicine, National Research Nuclear University MEPhI, 115409 Moscow, Russia
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16
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Mazurek M, Szczepanek D, Orzyłowska A, Rola R. Analysis of Factors Affecting 5-ALA Fluorescence Intensity in Visualizing Glial Tumor Cells-Literature Review. Int J Mol Sci 2022; 23:ijms23020926. [PMID: 35055109 PMCID: PMC8779265 DOI: 10.3390/ijms23020926] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/11/2022] [Accepted: 01/13/2022] [Indexed: 01/27/2023] Open
Abstract
Glial tumors are one of the most common lesions of the central nervous system. Despite the implementation of appropriate treatment, the prognosis is not successful. As shown in the literature, maximal tumor resection is a key element in improving therapeutic outcome. One of the methods to achieve it is the use of fluorescent intraoperative navigation with 5-aminolevulinic acid. Unfortunately, often the level of fluorescence emitted is not satisfactory, resulting in difficulties in the course of surgery. This article summarizes currently available knowledge regarding differences in the level of emitted fluorescence. It may depend on both the histological type and the genetic profile of the tumor, which is reflected in the activity and expression of enzymes involved in the intracellular metabolism of fluorescent dyes, such as PBGD, FECH, UROS, and ALAS. The transport of 5-aminolevulinic acid and its metabolites across the blood–brain barrier and cell membranes mediated by transporters, such as ABCB6 and ABCG2, is also important. Accompanying therapies, such as antiepileptic drugs or steroids, also have an impact on light emission by tumor cells. Accurate determination of the factors influencing the fluorescence of 5-aminolevulinic acid-treated cells may contribute to the improvement of fluorescence navigation in patients with highly malignant gliomas.
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17
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Intraoperative 5-ALA fluorescence-guided resection of high-grade glioma leads to greater extent of resection with better outcomes: a systematic review. J Neurooncol 2022; 156:233-256. [PMID: 34989964 DOI: 10.1007/s11060-021-03901-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/12/2021] [Indexed: 12/13/2022]
Abstract
IMPORTANCE High-grade gliomas (HGG) are the most aggressive and common malignant brain tumors in adults. They have a dismally fatal prognosis. Even if gross total resection of the enhancing tumor is achieved, inevitably, invading tumor cells that are indistinguishable to the un-aided eye are left behind, which eventually leads to tumor recurrence. 5-aminolevulinic acid (5-ALA) is an increasingly utilized intraoperative fluorescent imaging agent for patients with HGG. It enhances visualization of HGG tissue. Despite early promising randomized clinical trial data suggesting a survival benefit for 5-ALA-guided surgery, the growing body of literature must be analyzed to confirm efficacy on patient outcomes. OBJECTIVE To perform a systematic review of the literature to evaluate whether there is a beneficial effect upon survival and extent of resection due to the utilization of 5-ALA in HGG surgery. EVIDENCE REVIEW Literature regarding 5-ALA usage in HGG surgery was reviewed according to the PRISMA guidelines. Two databases, PubMed and SCOPUS, were searched for assorted combinations of the keywords "5-ALA," "high-grade glioma," "5-aminolevulinic acid," and "resection" in July 2020 for case reports and retrospective, prospective, and randomized clinical trials assessing and analyzing 5-ALA intraoperative use in patients with HGG. Entailed studies on PubMed and SCOPUS were found for screening using a snowball search technique upon the initially searched papers. Systematic reviews and meta-analyses were excluded from our PRISMA table. FINDINGS 3756 previously published studies were screened, 536 of which were further evaluated, and ultimately 45 were included in our systematic review. There were no date restrictions on the screened publications. Our literature search was finalized on July 16, 2020. We found an observed increase in the overall survival (OS) and progression-free survival (PFS) of the 5-ALA group compared to the white light group, as well as an observed increase in the OS and PFS of complete resections compared to incomplete resections. Of the studies that directly compared the use of 5-ALA to white light (13 of the total analyzed 45, or 28.9%), 5-ALA lead to a better PFS and OS in 88.4 and 67.5% of patients, respectively. When the studies that reported postoperative neurologic outcomes of surgeries using 5-ALA vs. white light were analyzed, 42.2% of subjects demonstrated 5-ALA use was associated with less post-op neurological deficits, whereas 34.5% demonstrated no difference between 5-ALA and without. 23.3% of studies showed that intraoperative 5-ALA guided surgeries lead to more post-op neurological deficits. CONCLUSIONS AND RELEVANCE Utilization of 5-ALA was found to be associated with a greater extent of resection in HGG surgeries, as well as longer OS and PFS. Postop neurologic deficit rates were mixed and inconclusive when comparing 5-ALA groups to white light groups. 5-ALA is a useful surgical adjunct for resection of HGG when patient safety is preserved.
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18
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Wadiura LI, Reichert D, Sperl V, Lang A, Kiesel B, Erkkilae M, Wöhrer A, Furtner J, Roetzer T, Leitgeb R, Mischkulnig M, Widhalm G. Influence of dexamethasone on visible 5-ALA fluorescence and quantitative protoporphyrin IX accumulation measured by fluorescence lifetime imaging in glioblastomas: is pretreatment obligatory before fluorescence-guided surgery? J Neurosurg 2021:1-9. [PMID: 34678775 DOI: 10.3171/2021.6.jns21940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 06/07/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Fluorescence-guided surgery using 5-aminolevulinic acid (5-ALA) is nowadays widely applied for improved resection of glioblastomas (GBMs). Initially, pretreatment with dexamethasone was considered to be essential for optimal fluorescence effect. However, recent studies reported comparably high rates of visible fluorescence in GBMs despite absence of dexamethasone pretreatment. Recently, the authors proposed fluorescence lifetime imaging (FLIM) for the quantitative analysis of 5-ALA-induced protoporphyrin IX (PpIX) accumulation. The aim of this study was thus to investigate the influence of dexamethasone on visible fluorescence and quantitative PpIX accumulation. METHODS The authors prospectively analyzed the presence of visible fluorescence during surgery in a cohort of patients with GBMs. In this study, patients received dexamethasone preoperatively only if clinically indicated. One representative tumor sample was collected from each GBM, and PpIX accumulation was analyzed ex vivo by FLIM. The visible fluorescence status and mean FLIM values were correlated with preoperative intake of dexamethasone. RESULTS In total, two subgroups with (n = 27) and without (n = 20) pretreatment with dexamethasone were analyzed. All patients showed visible fluorescence independent from preoperative dexamethasone intake. Furthermore, the authors did not find a statistically significant difference in the mean FLIM values between patients with and without dexamethasone pretreatment (p = 0.097). CONCLUSIONS In this first study to date, the authors found no significant influence of dexamethasone pretreatment on either visible 5-ALA fluorescence during GBM surgery or PpIX accumulation based on FLIM. According to these preliminary data, the authors recommend administering dexamethasone prior to fluorescence-guided surgery of GBMs only when clinically indicated.
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Affiliation(s)
- Lisa I Wadiura
- 1Department of Neurosurgery.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | - David Reichert
- 2Center for Medical Physics and Biomedical Engineering.,3Christian Doppler Laboratory OPTRAMED
| | - Veronika Sperl
- 1Department of Neurosurgery.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | - Alexandra Lang
- 1Department of Neurosurgery.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | - Barbara Kiesel
- 1Department of Neurosurgery.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | | | - Adelheid Wöhrer
- 4Department of Neurology-Division for Neuropathology and Neurochemistry.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | - Julia Furtner
- 5Department of Biomedical Imaging and Image-guided Therapy, Division of General and Pediatric Radiology; and.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | - Thomas Roetzer
- 4Department of Neurology-Division for Neuropathology and Neurochemistry.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | - Rainer Leitgeb
- 2Center for Medical Physics and Biomedical Engineering.,3Christian Doppler Laboratory OPTRAMED
| | - Mario Mischkulnig
- 1Department of Neurosurgery.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
| | - Georg Widhalm
- 1Department of Neurosurgery.,6Comprehensive Cancer Center-Central Nervous System Tumors Unit, Medical University of Vienna, Austria
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19
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Beauchamp LH, Bercu MM, Avellino AM. 5-Aminolevulinic acid–assisted resection of pediatric dysembryoplastic neuroepithelial tumor: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2021; 2:CASE20153. [PMID: 35854680 PMCID: PMC9265167 DOI: 10.3171/case20153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/15/2021] [Indexed: 12/02/2022]
Abstract
BACKGROUND 5-Aminolevulinic acid (5-ALA) is approved as an adjunct for the resection of high-grade gliomas and is associated with improved outcomes. Dysembryoplastic neuroepithelial tumors (DNETs) are benign glioneural tumors occurring primarily in pediatric patients and often manifesting with seizure disorder. The goal of the surgical intervention is to obtain gross-total resection, which is associated, in the majority of cases, with seizure freedom. OBSERVATIONS The authors present the first case report of a pediatric patient who underwent gross-total resection of a 5-ALA–positive DNET with no evidence of recurrent seizures (Engel class I). LESSONS Fluorescence-guided surgery using 5-ALA facilitated gross-total resection of the mass.
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Affiliation(s)
- Luke H. Beauchamp
- College of Human Medicine, Michigan State University, East Lansing, Michigan; and
| | - Marian Michael Bercu
- Pediatric Neurosurgery, Helen DeVos Children’s Hospital, Spectrum Health, Grand Rapids, Michigan
| | - Anthony M. Avellino
- College of Human Medicine, Michigan State University, East Lansing, Michigan; and
- Pediatric Neurosurgery, Helen DeVos Children’s Hospital, Spectrum Health, Grand Rapids, Michigan
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20
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Palmieri G, Cofano F, Salvati LF, Monticelli M, Zeppa P, Perna GD, Melcarne A, Altieri R, La Rocca G, Sabatino G, Barbagallo GM, Tartara F, Zenga F, Garbossa D. Fluorescence-Guided Surgery for High-Grade Gliomas: State of the Art and New Perspectives. Technol Cancer Res Treat 2021; 20:15330338211021605. [PMID: 34212784 PMCID: PMC8255554 DOI: 10.1177/15330338211021605] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
High-grade gliomas are aggressive tumors that require multimodal management and gross total resection is considered to be the first crucial step of treatment. Because of their infiltrative nature, intraoperative differentiation of neoplastic tissue from normal parenchyma can be challenging. For these reasons, in the recent years, neurosurgeons have increasingly performed this surgery under the guidance of tissue fluorescence. Sodium fluoresceine and 5-aminolevulinic acid represent the 2 main compounds that allow real-time identification of residual malignant tissue and have been associated with improved gross total resection and radiological outcomes. Though presenting different profiles of sensitivity and specificity and further investigations concerning cost-effectiveness are need, Sodium fluoresceine, 5-aminolevulinic acid and new phluorophores, such as Indocyanine green, represent some of the most important tools in the neurosurgeon’s hands to achieve gross total resection.
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Affiliation(s)
- Giuseppe Palmieri
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
| | - Fabio Cofano
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy.,Neurosurgery/Spine Surgery, Humanitas Gradenigo Hospital, Turin, Italy
| | - Luca Francesco Salvati
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
| | - Matteo Monticelli
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
| | - Pietro Zeppa
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
| | - Giuseppe Di Perna
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
| | - Antonio Melcarne
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
| | - Roberto Altieri
- Department of Medical and Surgical Sciences and Advanced Technologies (G.F. Ingrassia), Neurological Surgery, Policlinico "G. Rodolico-San Marco" University Hospital, University of Catania, Italy
| | - Giuseppe La Rocca
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli Irccs, Catholic University, Rome, Italy.,Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Giovanni Sabatino
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli Irccs, Catholic University, Rome, Italy.,Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Giuseppe Maria Barbagallo
- Department of Medical and Surgical Sciences and Advanced Technologies (G.F. Ingrassia), Neurological Surgery, Policlinico "G. Rodolico-San Marco" University Hospital, University of Catania, Italy
| | - Fulvio Tartara
- Unit of Neurosurgery, Istituto Clinico Città Studi, Milan, Italy
| | - Francesco Zenga
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
| | - Diego Garbossa
- Unit of Neurosurgery, Department of Neuroscience "Rita Levi Montalcini," University of Turin, Turin, Italy
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Dadario NB, Khatri D, Reichman N, Nwagwu CD, D'Amico RS. 5-Aminolevulinic Acid-Shedding Light on Where to Focus. World Neurosurg 2021; 150:9-16. [PMID: 33684574 DOI: 10.1016/j.wneu.2021.02.118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Surgical management of gliomas is predicated on "safe maximal resection" across all histopathologic grades because progression-free survival and overall survival are positively affected by the increasing extent of resection. Administration of the prodrug 5-aminolevulinic acid (5-ALA) induces tumor fluorescence with high specificity and sensitivity for malignant high-grade glioma (HGG). Fluorescence-guided surgery (FGS) using 5-ALA improves the extent of resection in the contrast-enhancing and nonenhancing tumor components in HGG. It has also shown preliminary usefulness in other central nervous system tumors, but with certain limitations. METHODS We review and discuss the state of 5-ALA FGS for central nervous system tumors and identify the limitations in its use as a guide for future clinical optimization. RESULTS 5-ALA FGS provides maximum clinical benefits in the treatment of newly diagnosed glioblastoma. 5-ALA fluorescence specificity is limited in low-grade glioma, recurrent HGG, and non-glial tumors. Several promising intraoperative adjuncts to 5-ALA FGS have been developed to expand its indications and improve the clinical efficacy and usefulness of 5-ALA FGS. CONCLUSIONS 5-ALA FGS improves the clinical outcomes in HGG. However, further optimization of the diagnostic performance and clinical use of 5-ALA FGS is necessary for low-grade glioma and recurrent HGG tumors. Neurosurgical oncology will benefit from the novel use of advanced technologies and intraoperative visualization techniques outlined in this review, such as machine learning, hand-held fibe-optic probes, augmented reality, and three-dimensional exoscope assistance, to optimize the clinical usefulness and operative outcomes of 5-ALA FGS.
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Affiliation(s)
- Nicholas B Dadario
- Department of Neurological Surgery, Lenox Hill Hospital/Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, New York, USA; Rutgers Robert Wood Johnson School of Medicine, Rutgers University, New Brunswick, New Jersey, USA
| | - Deepak Khatri
- Department of Neurological Surgery, Lenox Hill Hospital/Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, New York, USA
| | - Noah Reichman
- Department of Neurological Surgery, Lenox Hill Hospital/Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, New York, USA
| | - Chibueze D Nwagwu
- Department of Neurological Surgery, Lenox Hill Hospital/Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, New York, USA
| | - Randy S D'Amico
- Department of Neurological Surgery, Lenox Hill Hospital/Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, New York, USA.
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Erdman CM, Christie C, Iqbal MO, Mazzola CA, Tomycz L. The utilization of sodium fluorescein in pediatric brain stem gliomas: a case report and review of the literature. Childs Nerv Syst 2021; 37:1753-1758. [PMID: 32780271 DOI: 10.1007/s00381-020-04857-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/06/2020] [Indexed: 11/24/2022]
Abstract
INTRODUCTION A major challenge in the surgical resection of brainstem tumors is distinguishing tumor from normal tissue. One approach for addressing this problem is the use of fluorescent tracers such as sodium fluorescein (NaFl). NaFl disseminates through a disruption in the blood-brain barrier (BBB) and accumulates in the extracellular space of brain tumors. Intraoperative fluorescence microscopy can be performed to identify tumor tissue and avoid damage to adjacent, normal tissue. Here, we present the case of a 16-year-old male who underwent a left retrosigmoid craniotomy with splitting of the tentorium to remove a large exophytic brainstem tumor involving the cerebellar peduncle and with superior extension into the midbrain and thalamus. OBJECTIVES The primary objective of this study was to investigate the effectiveness of sodium fluorescein as an intraoperative technique and evaluate its potential benefit for resection of tumors in eloquent regions in the pediatric population. To do so, we focused on a case study approach; however, we also performed a literature review and evaluated different intraoperative fluorescent techniques and their benefits for tumor resection. METHODS We performed a literature search using PubMed and Google Scholar by the key words "sodium fluorescein," "brain stem tumor," and "central nervous system neoplasms." Twenty-nine articles including both pediatric and adult populations were selected for analysis and qualitative review. RESULTS In this case study, sodium fluorescein helped the surgeons to identify and obtain a gross total resection of a large brainstem tumor. The marker was especially helpful for discerning the inferior pole of the tumor buried inconspicuously in cerebellar tissue. We evaluate different fluorescent tracers, 5-ALA and ICG, and discuss their application and benefits in tumor resection surgery. We present different cases that found sodium fluorescein to be helpful in achieving a gross total resection. CONCLUSION The application of sodium fluorescein proved to be a safe and effective technique for the resection of brain stem tumors as shown in this case study. It helped to expose concealed areas and illuminate the tumor capsule. Further studies should test the clinical use of sodium fluorescein on brain stem tumor resection.
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Affiliation(s)
- Cameron M Erdman
- Vassar College, 124 Raymond Avenue, Poughkeepsie, NY, 12603, USA
| | - Catherine Christie
- New Jersey Pediatric Neuroscience Institute, 131 Madison Avenue, Morristown, NJ, 07960, USA
| | - M Omar Iqbal
- Rutgers University, 90 Bergen Street, Newark, NJ, 07101, USA
| | - Catherine A Mazzola
- New Jersey Pediatric Neuroscience Institute, 131 Madison Avenue, Morristown, NJ, 07960, USA
| | - Luke Tomycz
- New Jersey Pediatric Neuroscience Institute, 131 Madison Avenue, Morristown, NJ, 07960, USA.
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Mazurek M, Kulesza B, Stoma F, Osuchowski J, Mańdziuk S, Rola R. Characteristics of Fluorescent Intraoperative Dyes Helpful in Gross Total Resection of High-Grade Gliomas-A Systematic Review. Diagnostics (Basel) 2020; 10:diagnostics10121100. [PMID: 33339439 PMCID: PMC7766001 DOI: 10.3390/diagnostics10121100] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/10/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022] Open
Abstract
Background: A very important aspect in the treatment of high-grade glioma is gross total resection to reduce the risk of tumor recurrence. One of the methods to facilitate this task is intraoperative fluorescence navigation. The aim of the study was to compare the dyes used in this technique fluorescent intraoperative navigation in terms of the mechanism of action and influence on the treatment of patients. Methods: The review was carried out on the basis of articles found in PubMed, Google Scholar, and BMC search engines, as well as those identified by searched bibliographies and suggested by experts during the preparation of the article. The database analysis was performed for the following phrases: "glioma", "glioblastoma", "ALA", "5ALA", "5-ALA", "aminolevulinic acid", "levulinic acid", "fluorescein", "ICG", "indocyanine green", and "fluorescence navigation". Results: After analyzing 913 citations identified on the basis of the search criteria, we included 36 studies in the review. On the basis of the analyzed articles, we found that 5-aminolevulinic acid and fluorescein are highly effective in improving the percentage of gross total resection achieved in high-grade glioma surgery. At the same time, the limitations resulting from the use of these methods are marked-higher costs of the procedure and the need to have neurosurgical microscope in combination with a special light filter in the case of 5-aminolevulinic acid (5-ALA), and low specificity for neoplastic cells and the dependence on the degree of damage to the blood-brain barrier in the intensity of fluorescence in the case of fluorescein. The use of indocyanine green in the visualization of glioma cells is relatively unknown, but some researchers have suggested its utility and the benefits of using it simultaneously with other dyes. Conclusion: The use of intraoperative fluorescence navigation with the use of 5-aminolevulinic acid and fluorescein allows the range of high-grade glioma resection to be increased.
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Affiliation(s)
- Marek Mazurek
- Chair and Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, 20-954 Lublin, Poland; (F.S.); (J.O.); (R.R.)
- Correspondence: (M.M.); (B.K.); Tel.: +48-81-724-48-51 (M.M.)
| | - Bartłomiej Kulesza
- Chair and Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, 20-954 Lublin, Poland; (F.S.); (J.O.); (R.R.)
- Correspondence: (M.M.); (B.K.); Tel.: +48-81-724-48-51 (M.M.)
| | - Filip Stoma
- Chair and Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, 20-954 Lublin, Poland; (F.S.); (J.O.); (R.R.)
| | - Jacek Osuchowski
- Chair and Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, 20-954 Lublin, Poland; (F.S.); (J.O.); (R.R.)
| | - Sławomir Mańdziuk
- Department of Clinical Oncology and Chemotherapy, Medical University of Lublin, 20-954 Lublin, Poland;
| | - Radosław Rola
- Chair and Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, 20-954 Lublin, Poland; (F.S.); (J.O.); (R.R.)
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5-Aminolevulinic acid for recurrent malignant gliomas: A systematic review. Clin Neurol Neurosurg 2020; 195:105913. [DOI: 10.1016/j.clineuro.2020.105913] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/28/2020] [Accepted: 05/10/2020] [Indexed: 11/24/2022]
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Della Pepa GM, Ius T, La Rocca G, Gaudino S, Isola M, Pignotti F, Rapisarda A, Mazzucchi E, Giordano C, Dragonetti V, Chiesa S, Balducci M, Gessi M, Skrap M, Olivi A, Marchese E, Sabatino G. 5-Aminolevulinic Acid and Contrast-Enhanced Ultrasound: The Combination of the Two Techniques to Optimize the Extent of Resection in Glioblastoma Surgery. Neurosurgery 2020; 86:E529-E540. [PMID: 32186345 DOI: 10.1093/neuros/nyaa037] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 12/15/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The survival benefit in maximizing resection in glioblastomas (GBMs) has been demonstrated by numerous studies. The true limit of infiltration of GBMs has been an overwhelming obstacle, and several technological advances have been introduced to improve the identification of residual tumors. OBJECTIVE To evaluate whether the integration of 5-aminolevulinic acid (5-ALA) with microbubble contrast-enhanced ultrasound (CEUS) improves residual tumor identification and has an impact on the extent of resection (EOR), overall survival (OS), and progression-free survival (PFS). METHODS A total of 230 GBM procedures were retrospectively studied. Cases were stratified according to the surgical procedure into 4 groups: 5-ALA- and CEUS-guided surgeries, 5-ALA-guided surgeries, CEUS-guided surgeries, and conventional microsurgical procedures. RESULTS Patients undergoing conventional microsurgical procedures showed the worst EORs compared to the assisted techniques (5-ALA and CEUS procedures). Both 5-ALA and CEUS techniques improved the EOR compared to conventional microsurgical procedures. However, their combination gave the best results in terms of the EOR (P = .0003). The median EOR% and the number of supramarginal resections are hence superior in the 5-ALA + CEUS + group compared to the others; this observation had consequences on PFS and OS in our series. CONCLUSION In terms of the EOR, the best results can be achieved through a combination of both techniques, where the 5-ALA-guided procedure is followed by a final survey with CEUS. Compared with other intraoperative imaging techniques, CEUS is a real-time, readily repeatable, safe, and inexpensive technique that provides valuable information to the surgeon before, during, and after resection.
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Affiliation(s)
- Giuseppe Maria Della Pepa
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
| | - Tamara Ius
- Department of Neurosurgery, University Hospital, Udine, Italy
| | - Giuseppe La Rocca
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Simona Gaudino
- Institute of Radiology, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Catholic University of Rome, Rome, Italy
| | - Miriam Isola
- Department of Medicine, University of Udine, Udine, Italy
| | - Fabrizio Pignotti
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Alessandro Rapisarda
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
| | - Edoardo Mazzucchi
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
| | - Carolina Giordano
- Institute of Radiology, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Catholic University of Rome, Rome, Italy
| | - Valentino Dragonetti
- Institute of Radiology, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Catholic University of Rome, Rome, Italy
| | - Silvia Chiesa
- Department of Radiation Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCSSl, Catholic University of Rome, Rome, Italy
| | - Mario Balducci
- Department of Radiation Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCSSl, Catholic University of Rome, Rome, Italy
| | - Marco Gessi
- Department of Neuro-Pathology, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Catholic University of Rome, Rome, Italy
| | - Miran Skrap
- Department of Neurosurgery, University Hospital, Udine, Italy
| | - Alessandro Olivi
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
| | - Enrico Marchese
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
| | - Giovanni Sabatino
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli, IRCSS, Catholic University of Rome, Rome, Italy
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
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Ferraris C, Cavalli R, Panciani PP, Battaglia L. Overcoming the Blood-Brain Barrier: Successes and Challenges in Developing Nanoparticle-Mediated Drug Delivery Systems for the Treatment of Brain Tumours. Int J Nanomedicine 2020; 15:2999-3022. [PMID: 32431498 PMCID: PMC7201023 DOI: 10.2147/ijn.s231479] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 04/14/2020] [Indexed: 12/14/2022] Open
Abstract
High-grade gliomas are still characterized by a poor prognosis, despite recent advances in surgical treatment. Chemotherapy is currently practiced after surgery, but its efficacy is limited by aspecific toxicity on healthy cells, tumour cell chemoresistance, poor selectivity, and especially by the blood–brain barrier (BBB). Thus, despite the large number of potential drug candidates, the choice of effective chemotherapeutics is still limited to few compounds. Malignant gliomas are characterized by high infiltration and neovascularization, and leaky BBB (the so-called blood–brain tumour barrier); surgical resection is often incomplete, leaving residual cells that are able to migrate and proliferate. Nanocarriers can favour delivery of chemotherapeutics to brain tumours owing to different strategies, including chemical stabilization of the drug in the bloodstream; passive targeting (because of the leaky vascularization at the tumour site); inhibition of drug efflux mechanisms in endothelial and cancer cells; and active targeting by exploiting carriers and receptors overexpressed at the blood–brain tumour barrier. Within this concern, a suitable nanomedicine-based therapy for gliomas should not be limited to cytotoxic agents, but also target the most important pathogenetic mechanisms, including cell differentiation pathways and angiogenesis. Moreover, the combinatorial approach of cell therapy plus nanomedicine strategies can open new therapeutical opportunities. The major part of attempted preclinical approaches on animal models involves active targeting with protein ligands, but, despite encouraging results, a few number of nanomedicines reached clinical trials, and most of them include drug-loaded nanocarriers free of targeting ligands, also because of safety and scalability concerns.
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Affiliation(s)
- Chiara Ferraris
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Roberta Cavalli
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Pier Paolo Panciani
- Clinic of Neurosurgery, Spedali Civili and University of Brescia, Brescia, Italy
| | - Luigi Battaglia
- Department of Drug Science and Technology, University of Turin, Turin, Italy
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La Rocca G, Sabatino G, Menna G, Altieri R, Ius T, Marchese E, Olivi A, Barresi V, Della Pepa GM. 5-Aminolevulinic Acid False Positives in Cerebral Neuro-Oncology: Not All That Is Fluorescent Is Tumor. A Case-Based Update and Literature Review. World Neurosurg 2020; 137:187-193. [PMID: 32058110 DOI: 10.1016/j.wneu.2020.01.238] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/30/2020] [Accepted: 01/31/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND One of the most valuable innovations in high-grade glioma surgery is 5-aminolevulinic acid (5-ALA). Fluorescence is a specific and sensitive indicator of metabolically active tumor tissue. In the published literature, the main focus has been placed on false-negative cases, with only a few articles addressing false positivity. The aim of the article was to highlight settings in which 5-ALA fluorescence does not necessarily mean tumor and to point out conditions in which intraoperative 5-ALA fluorescence has to be critically interpreted. METHODS Using PubMed, a review of pertinent literature was done to specifically investigate all conditions, including non-neoplastic and other metabolically active lesions, that can mimic high-grade gliomas and cause a misleading intraoperative diagnosis. In addition, an institutional case characterized by strong 5-ALA fluorescence in radionecrosis is presented. RESULTS Literature results were grouped in 2 main categories according to the field of application: oncologic setting (9 articles and 1 institutional case) and nononcologic settings (5 articles). CONCLUSIONS As reported, 5-ALA-induced fluorescence is not limited to glioma but is also evident in nonglioma and non-neoplastic conditions. Critical interpretation of intraoperative fluorescence is therefore mandatory in recurrences and in atypical cases that might hinder alternative diagnoses.
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Affiliation(s)
- Giuseppe La Rocca
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University, Rome, Italy; Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Giovanni Sabatino
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University, Rome, Italy; Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Grazia Menna
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University, Rome, Italy
| | - Roberto Altieri
- Division of Neurosurgery, Department of Neurosciences, Policlinico "G. Rodolico" University Hospital, Catania, Italy
| | - Tamara Ius
- Neurosurgery Unit, Department of Neuroscience, Santa Maria della Misericordia, University Hospital, Udine, Italy
| | - Enrico Marchese
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University, Rome, Italy
| | - Alessandro Olivi
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University, Rome, Italy
| | - Valeria Barresi
- Department of Diagnostics and Public Health, Section of Anatomical Pathology, University and Hospital Trust of Verona, Verona, Italy
| | - Giuseppe Maria Della Pepa
- Institute of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University, Rome, Italy.
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5-Aminolevulinic Acid Fluorescence Indicates Perilesional Brain Infiltration in Brain Metastases. World Neurosurg X 2019; 5:100069. [PMID: 32095783 PMCID: PMC7026613 DOI: 10.1016/j.wnsx.2019.100069] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/09/2019] [Indexed: 11/24/2022] Open
Abstract
Background In glioma surgery, 5-aminolevulinic acid (5-ALA) fluorescence reflects tumor infiltration, and fluorescence-assisted resection correlates with higher removal rates and improved progression-free survival. Recent studies report that a sizable proportion of brain metastases exhibit peritumoral infiltration on the cellular level. There is little information regarding whether 5-ALA is useful to guide surgery in the peritumoral zone in metastases. The aim of this study was to assess histologically whether 5-ALA fluorescence accurately reflects metastatic brain infiltration. Methods and Materials Fluorescence-assisted tumor resection was performed in 27 patients with brain metastases. Patients received 20 mg/kg 5-ALA 3 hours before anesthesia. After resection, biopsy specimens of the surrounding parenchyma were analyzed for 5-ALA fluorescence and histologic evidence of infiltrating tumor cells. The correlation between 5-ALA positivity and immunohistochemical evidence of tumor in the peritumoral zone was also assessed. Results Of 27 metastases, 23 (85%) were 5-ALA positive. For qualitative tissue analysis, 110 of 125 samples were collected. Metastatic infiltration was present in 49 samples with faint or red fluorescence; 33 samples without fluorescence were tumor-free. The presence of metastatic infiltration correlated with fluorescence (P < 0.001). Tumor infiltration correlated with fluorescence (blue fluorescence 0.09% ± 0.04% and red or faint fluorescence 3.26%; P = 0.003). Conclusions Infiltration of surrounding brain tissue is a common finding in brain metastases in selected primary tumors. 5-ALA fluorescence correlates with tumor cell infiltration and might guide more radical resection.
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Tejada Solís S, de Quintana Schmidt C, Gonzalez Sánchez J, Fernández Portales I, Del Álamo de Pedro M, Rodríguez Berrocal V, Díez Valle R. Intraoperative imaging in the neurosurgery operating theatre: A review of the most commonly used techniques for brain tumour surgery. Neurocirugia (Astur) 2019; 31:184-194. [PMID: 31836283 DOI: 10.1016/j.neucir.2019.08.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/31/2019] [Accepted: 08/22/2019] [Indexed: 11/25/2022]
Abstract
INTRODUCTION New intraoperative imaging techniques, which aim to improve tumour resection, have been implemented in recent years in brain tumour surgery, although they lead to an increase in resources. In order to carry out an update on this topic, this manuscript has been drafted by a group from the Sociedad Española de Neurocirugía (Spanish Society of Neurosurgery). MATERIAL AND METHODS Experts in the use of each one of the most-used intraoperative techniques in brain tumour surgery were presented with a description of the technique and a brief review of the literature. Indications for use, their advantages and disadvantages based on clinical experience and on what is published in the literature will be described. RESULTS The most robust intraoperative imaging technique appears to be low- and high-field magnetic resonance imaging, but this is the technique which results in the greatest expenditure. Intraoperative ultrasound navigation is portable and less expensive, but it provides poorer differentiation of high-grade tumours and is observer-dependent. The most-used fluorescence techniques are 5-aminolevulinic acid for high-grade gliomas and fluorescein, useful in lesions which rupture the blood-brain barrier. Last of all, intraoperative CT is more versatile in the neurosurgery operating theatre, but it has fewer indications in neuro-oncology surgery. CONCLUSIONS Intraoperative imaging techniques are used with increasingly greater frequency in brain tumour surgery, and the neurosurgeon should assess their possible use depending on their resources and the needs of each patient.
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Affiliation(s)
- Sonia Tejada Solís
- Departamento de Neurocirugía, Clínica Universidad de Navarra, Pamplona, España.
| | | | - Josep Gonzalez Sánchez
- Departamento de Neurocirugía, Hospital Clínic y provincial de Barcelona, Barcelona, España
| | | | | | | | - Ricardo Díez Valle
- Departamento de Neurocirugía, Clínica Universidad de Navarra, Pamplona, España
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Stummer W, Koch R, Valle RD, Roberts DW, Sanai N, Kalkanis S, Hadjipanayis CG, Suero Molina E. Intraoperative fluorescence diagnosis in the brain: a systematic review and suggestions for future standards on reporting diagnostic accuracy and clinical utility. Acta Neurochir (Wien) 2019; 161:2083-2098. [PMID: 31363920 PMCID: PMC6739423 DOI: 10.1007/s00701-019-04007-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Accepted: 07/05/2019] [Indexed: 12/24/2022]
Abstract
Background Surgery for gliomas is often confounded by difficulties in distinguishing tumor from surrounding normal brain. For better discrimination, intraoperative optical imaging methods using fluorescent dyes are currently being explored. Understandably, such methods require the demonstration of a high degree of diagnostic accuracy and clinical benefit. Currently, clinical utility is determined by tissue biopsies which are correlated to optical signals, and quantified using measures such as sensitivity, specificity, positive predictive values, and negative predictive values. In addition, surgical outcomes, such as extent of resection rates and/or survival (progression-free survival (PFS) and overall survival (OS)) have been measured. These assessments, however, potentially involve multiple biases and confounders, which have to be minimized to ensure reproducibility, generalizability and comparability of test results. Test should aim at having a high internal and external validity. The objective of this article is to analyze how diagnostic accuracy and outcomes are utilized in available studies describing intraoperative imaging and furthermore, to derive recommendations for reliable and reproducible evaluations. Methods A review of the literature was performed for assessing the use of measures of diagnostic accuracy and outcomes of intraoperative optical imaging methods. From these data, we derive recommendations for designing and reporting future studies. Results Available literature indicates that potential confounders and biases for reporting the diagnostic accuracy and usefulness of intraoperative optical imaging methods are seldom accounted for. Furthermore, methods for bias reduction are rarely used nor reported. Conclusions Detailed, transparent, and uniform reporting on diagnostic accuracy of intraoperative imaging methods is necessary. In the absence of such reporting, studies will not be comparable or reproducible. Future studies should consider some of the recommendations given here. Electronic supplementary material The online version of this article (10.1007/s00701-019-04007-y) contains supplementary material, which is available to authorized users.
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Wei L, Fujita Y, Sanai N, Liu JTC. Toward Quantitative Neurosurgical Guidance With High-Resolution Microscopy of 5-Aminolevulinic Acid-Induced Protoporphyrin IX. Front Oncol 2019; 9:592. [PMID: 31334117 PMCID: PMC6616084 DOI: 10.3389/fonc.2019.00592] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 06/17/2019] [Indexed: 12/13/2022] Open
Abstract
Low-power fluorescence microscopy of 5-ALA-induced PpIX has emerged as a valuable intraoperative imaging technology for improving the resection of malignant gliomas. However, current fluorescence imaging tools are not highly sensitive nor quantitative, which limits their effectiveness for optimizing operative decisions near the surgical margins of gliomas, in particular non-enhancing low-grade gliomas. Intraoperative high-resolution optical-sectioning microscopy can potentially serve as a valuable complement to low-power fluorescence microscopy by providing reproducible quantification of tumor parameters at the infiltrative margins of diffuse gliomas. In this forward-looking perspective article, we provide a brief discussion of recent technical advancements, pilot clinical studies, and our vision of the future adoption of handheld optical-sectioning microscopy at the final stages of glioma surgeries to enhance the extent of resection. We list a number of challenges for clinical acceptance, as well as potential strategies to overcome such obstacles for the surgical implementation of these in vivo microscopy techniques.
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Affiliation(s)
- Linpeng Wei
- Department of Mechanical Engineering, University of Washington, Seattle, WA, United States
| | - Yoko Fujita
- Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Nader Sanai
- Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Jonathan T C Liu
- Department of Mechanical Engineering, University of Washington, Seattle, WA, United States.,Department of Pathology, University of Washington School of Medicine, Seattle, WA, United States
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Picart T, Berhouma M, Dumot C, Pallud J, Metellus P, Armoiry X, Guyotat J. Optimization of high-grade glioma resection using 5-ALA fluorescence-guided surgery: A literature review and practical recommendations from the neuro-oncology club of the French society of neurosurgery. Neurochirurgie 2019; 65:164-177. [PMID: 31125558 DOI: 10.1016/j.neuchi.2019.04.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 04/17/2019] [Accepted: 04/28/2019] [Indexed: 11/20/2022]
Abstract
BACKGROUND When feasible, the surgical resection is the standard first step of the management of high-grade gliomas. 5-ALA fluorescence-guided-surgery (5-ALA-FGS) was developed to ease the intra-operative delineation of tumor borders in order to maximize the extent of resection. METHODS A Medline electronic database search was conducted. English language studies from January 1998 until July 2018 were included, following the PRISMA guidelines. RESULTS 5-ALA can be considered as a specific tool for the detection of tumor remnant but has a weaker sensibility (level 2). 5-ALA-FGS is associated with a significant increase in the rate of gross total resection reaching more than 90% in some series (level 1). Consistently, 5-ALAFGS improves progression-free survival (level 1). However, the gain in overall survival is more debated. The use of 5-ALA-FGS in eloquent areas is feasible but requires simultaneous intraoperative electrophysiologic functional brain monitoring to precisely locate and preserve eloquent areas (level 2). 5-ALA is usable during the first resection of a glioma but also at recurrence (level 2). From a practical standpoint, 5-ALA is orally administered 3 hours before the induction of anesthesia, the recommended dose being 20 mg/kg. Intra-operatively, the procedure is performed as usually with a central debulking and a peripheral dissection during which the surgeon switches from white to blue light. Provided that some precautions are observed, the technique does not expose the patient to particular complications. CONCLUSION Although 5-ALA-FGS contributes to improve gliomas management, there are still some limitations. Future methods will be developed to improve the sensibility of 5-ALA-FGS.
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Affiliation(s)
- T Picart
- Service de neurochirurgie D, hospices civils de Lyon, hôpital neurologique Pierre-Wertheimer, 59, boulevard Pinel, 69677 Bron, France; Inserm 1052, UMR 5286,Team ATIP/AVENIR Transcriptomic diversity of stem cells, centre de cancérologie de Lyon, centre Léon-Bérard, 69008 Lyon, France.
| | - M Berhouma
- Service de neurochirurgie D, hospices civils de Lyon, hôpital neurologique Pierre-Wertheimer, 59, boulevard Pinel, 69677 Bron, France; CREATIS Laboratory, Inserm U1206, UMR 5220, université de Lyon, 69100 Villeurbanne, France
| | - C Dumot
- Service de neurochirurgie D, hospices civils de Lyon, hôpital neurologique Pierre-Wertheimer, 59, boulevard Pinel, 69677 Bron, France; CREATIS Laboratory, Inserm U1206, UMR 5220, université de Lyon, 69100 Villeurbanne, France
| | - J Pallud
- Département de neurochirurgie, hôpital Sainte-Anne, 75014 Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 75005 Paris, France; IMA-Brain, Inserm U894, institut de psychiatrie et neurosciences de Paris, 7013 Paris, France
| | - P Metellus
- Hôpital Privé Clairval, Ramsay général de santé, 13009 Marseille, France; UMR 7051, institut de neurophysiopathologie, université d'Aix-Marseille, 13344 Marseille, France
| | - X Armoiry
- MATEIS (Team I2B), University of Lyon, Lyon school of pharmacy, 69008 Lyon, France; Édouard-Herriot Hospital, Pharmacy Department, 69008 Lyon, France; University of Warwick, Warwick Medical School, Coventry, UK
| | - J Guyotat
- Service de neurochirurgie D, hospices civils de Lyon, hôpital neurologique Pierre-Wertheimer, 59, boulevard Pinel, 69677 Bron, France
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Efficacy of 5-Aminolevulinic Acid in Photodynamic Detection and Photodynamic Therapy in Veterinary Medicine. Cancers (Basel) 2019; 11:cancers11040495. [PMID: 30959982 PMCID: PMC6520946 DOI: 10.3390/cancers11040495] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 04/03/2019] [Accepted: 04/05/2019] [Indexed: 01/24/2023] Open
Abstract
5-Aminolevulinic acid (5-ALA), a commonly used photosensitizer in photodynamic detection (PDD) and therapy (PDT), is converted in situ to the established photosensitizer protoporphyrin IX (PpIX) via the heme biosynthetic pathway. To extend 5-ALA-PDT application, we evaluated the PpIX fluorescence induced by exogenous 5-ALA in various veterinary tumors and treated canine and feline tumors. 5-ALA-PDD sensitivity and specificity in the whole sample group for dogs and cats combined were 89.5 and 50%, respectively. Notably, some small tumors disappeared upon 5-ALA-PDT. Although single PDT application was not curative, repeated PDT+/−chemotherapy achieved long-term tumor control. We analyzed the relationship between intracellular PpIX concentration and 5-ALA-PDT in vitro cytotoxicity using various primary tumor cells and determined the correlation between intracellular PpIX concentration and 5-ALA transporter and metabolic enzyme mRNA expression levels. 5-ALA-PDT cytotoxicity in vitro correlated with intracellular PpIX concentration in carcinomas. Ferrochelatase mRNA expression levels strongly negatively correlated with PpIX accumulation, representing the first report of a correlation between mRNA expression related to PpIX accumulation and PpIX concentration in canine tumor cells. Our findings suggested that the results of 5-ALA-PDD might be predictive for 5-ALA-PDT therapeutic effects for carcinomas, with 5-ALA-PDT plus chemotherapy potentially increasing the probability of tumor control in veterinary medicine.
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Bright spot analysis for photodynamic diagnosis of brain tumors using confocal microscopy. Photodiagnosis Photodyn Ther 2019; 25:463-471. [PMID: 30738224 DOI: 10.1016/j.pdpdt.2019.02.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 01/11/2019] [Accepted: 02/04/2019] [Indexed: 01/10/2023]
Abstract
BACKGROUND In a previous study of photodynamic tumor diagnosis using 5-aminolevulinic acid (5-ALA), the authors proposed using fluorescence intensity and bright spot analyses under confocal microscopy for the precise discrimination of tumorous brain tissue (such as glioblastoma, GBM) from normal tissue. However, it remains unclear if bright spot analysis can discriminate infiltrating tumor in the boundary zone and whether this method is suitable for GBM with no 5-ALA fluorescence or for other tumor types. METHODS Brain tumor tissue resected from 5-ALA-treated patients was sectioned to evaluate bright spots under confocal microscopy with a 544.5 - 619.5 nm band-pass filter, which eliminated the fluorescence induced by 5-ALA. Border regions and adjacent normal tissues were observed for differences in bright spot distribution. Histopathology was also conducted by hematoxylin and eosin (H&E) staining of serial slices from the same samples to confirm the locations of tumorous, infiltrating, and normal regions. Bright spot areas were then calculated for the same regions evaluated by histopathology. This method was applied for GBM with and without 5-ALA-induced fluorescence as well as for lower-grade gliomas and other brain tumor types. RESULTS The bright spot area was substantially smaller in the GBM body than in normal brain tissues. Bright spot area was also smaller in infiltrating tumors than in normal tissue at the margin. The same bright spot pattern was observed in tumorous tissues with no 5-ALA-induced fluorescence and in non-GBM tumors. The bright spot fluorescence is suggested to arise from lipofuscin based on emission spectra (mainly within 544.5 - 619.5 nm) and optimum excitation wavelength (about 405 nm). CONCLUSIONS Bright spot analysis is useful for discriminating infiltrating tumor from bordering normal tissue as an alternative or complement to photodynamic diagnosis with 5-ALA. This method is also potentially useful for tumors with no 5-ALA-derived red fluorescence and other nervous system tumors.
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Wei L, Roberts DW, Sanai N, Liu JTC. Visualization technologies for 5-ALA-based fluorescence-guided surgeries. J Neurooncol 2018; 141:495-505. [PMID: 30554344 DOI: 10.1007/s11060-018-03077-9] [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] [Received: 08/06/2018] [Accepted: 12/10/2018] [Indexed: 01/27/2023]
Abstract
INTRODUCTION 5-ALA-based fluorescence-guided surgery has been shown to be a safe and effective method to improve intraoperative visualization and resection of malignant gliomas. However, it remains ineffective in guiding the resection of lower-grade, non-enhancing, and deep-seated tumors, mainly because these tumors do not produce detectable fluorescence with conventional visualization technologies, namely, wide-field (WF) surgical microscopy. METHODS We describe some of the main factors that limit the sensitivity and accuracy of conventional WF surgical microscopy, and then provide a survey of commercial and research prototypes being developed to address these challenges, along with their principles, advantages and disadvantages, as well as the current status of clinical translation for each technology. We also provide a neurosurgical perspective on how these visualization technologies might best be implemented for guiding glioma surgeries in the future. RESULTS Detection of PpIX expression in low-grade gliomas and at the infiltrative margins of all gliomas has been achieved with high-sensitivity probe-based visualization techniques. Deep-tissue PpIX imaging of up to 5 mm has also been achieved using red-light illumination techniques. Spectroscopic approaches have enabled more accurate quantification of PpIX expression. CONCLUSION Advancements in visualization technologies have extended the sensitivity and accuracy of conventional WF surgical microscopy. These technologies will continue to be refined to further improve the extent of resection in glioma patients using 5-ALA-induced fluorescence.
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Affiliation(s)
- Linpeng Wei
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA.
| | - David W Roberts
- Section of Neurosurgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
- Norris Cotton Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
- Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, USA
| | - Nader Sanai
- Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, 85013, USA
| | - Jonathan T C Liu
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA
- Department of Pathology, University of Washington, Seattle, WA, 98195, USA
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Della Puppa A, Munari M, Gardiman MP, Volpin F. Combined Fluorescence Using 5-Aminolevulinic Acid and Fluorescein Sodium at Glioblastoma Border: Intraoperative Findings and Histopathologic Data About 3 Newly Diagnosed Consecutive Cases. World Neurosurg 2018; 122:e856-e863. [PMID: 30391771 DOI: 10.1016/j.wneu.2018.10.163] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/21/2018] [Accepted: 10/23/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVE Fluorescence-guided glioblastoma surgery is an intraoperative technique developed in recent years. Two main compounds have been used so far: 5-amilovelulinic acid (5-ALA) and fluorescein sodium (Fl-Na). Despite a large amount of literature on both techniques, few data are available on the use of both compounds in the same patient. METHODS Three consecutive patients affected by a newly diagnosed glioblastoma underwent surgical resection using both 5-ALA and Fl-Na. 5-ALA was orally administered 3 hours before induction of anesthesia at a dosage of 20 mg/kg, whereas fluorescein was intravenously administered at induction of anesthesia at a dosage of 4 mg/kg. Tumor resection was carried out combining these fluorophores. At tumor borders, multiple samples were collected, and fluorescent pattern of each sample was registered. Samples were then analyzed by a neuropathologist blinded for intraoperative fluorescence findings. RESULTS Eighteen samples were analyzed. At tumor margin, bright pink fluorescence was highly indicative of residual tumor (positive predictive value [PPV], 94%), and it was superior to faint pink and fluorescein (PPVs, 89% and 87%, respectively). The gradual reduction of pink fluorescence warned of the risk of gradually entering healthy tissue (specificity of 67% compared with 33% with fluorescein). Using 5-ALA, detecting no fluorescence was highly suggestive of healthy tissue (negative predictive value of 100% compared with 50% with fluorescence). CONCLUSIONS In our experience with 3 patients, the 2 techniques presented different advantages and limitations in specific steps of tumor resection, showing complementary properties. Larger studies are mandatory to investigate the synergistic use of both techniques.
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Affiliation(s)
| | - Marina Munari
- Department of Intensive Care Unit, Padua University Hospital, Padova, Italy
| | | | - Francesco Volpin
- Department of Neurosurgery, Padua University Hospital, Padova, Italy.
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Kröger S, Niehoff AC, Jeibmann A, Sperling M, Paulus W, Stummer W, Karst U. Complementary Molecular and Elemental Mass-Spectrometric Imaging of Human Brain Tumors Resected by Fluorescence-Guided Surgery. Anal Chem 2018; 90:12253-12260. [PMID: 30215510 DOI: 10.1021/acs.analchem.8b03516] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Fluorescence-guided surgery (FGS) has been established as a powerful technique for glioblastoma resection. After oral application of the prodrug 5-aminolevulinic acid (5-ALA), protoporphyrin IX (PpIX) is formed as an intermediate of the heme-biosynthesis cascade and accumulates within the tumor. By intraoperative fluorescence microscopy, the specific PpIX fluorescence can be used to differentiate the tumor from healthy brain tissue. To investigate possible limitations of fluorescence diagnosis, the complementary use of molecular and elemental mass-spectrometry imaging (MSI) is presented. Matrix-assisted laser-desorption-ionization mass spectrometry (MALDI-MS) is used to examine the distribution of PpIX and heme b in human brain tumors. MALDI-MS/MS imaging is performed to validate MS data and improve the signal-to-noise ratio (S/N). Comparing the imaging results with histological evaluation, increased PpIX accumulation in areas of high tumor-cell density is observed. Heme b accumulation are only found in areas of blood vessels and hemorrhage, confirming the hampered transformation from PpIX to heme b in glioblastoma tissue. Investigation of non-neoplastic brain tissue and glioblastoma resected without external 5-ALA administration as control samples with true-negative fluorescence verified the absence of PpIX accumulation. Analysis of necrotic tumor tissue and gliosarcoma, one rare type of glioma appearing nonfluorescent during FGS, as case examples with false-negative-fluorescence diagnosis, revealed the absence of significant amounts of PpIX, indicating an impairment of PpIX formation. Molecular analysis is complemented by quantitative laser ablation-inductively coupled plasma (LA-ICP) MSI correlating heme b and Fe distribution. Mathematical pixel-by-pixel correlation of molecular and elemental data revealed a positive correlation with heteroscedasticity for the spatially resolved heme b signal intensities and Fe concentrations.
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Affiliation(s)
- Sabrina Kröger
- Institute of Inorganic and Analytical Chemistry , University of Münster , Corrensstraße 30 , 48149 Münster , Germany
| | - Ann-Christin Niehoff
- Institute of Inorganic and Analytical Chemistry , University of Münster , Corrensstraße 30 , 48149 Münster , Germany
| | - Astrid Jeibmann
- Institute of Neuropathology , University Hospital Münster , Pottkamp 2 , 48149 Münster , Germany
| | - Michael Sperling
- Institute of Inorganic and Analytical Chemistry , University of Münster , Corrensstraße 30 , 48149 Münster , Germany.,European Virtual Institute for Speciation Analysis (EVISA) , Mendelstraße 11 , 48149 Münster , Germany
| | - Werner Paulus
- Institute of Neuropathology , University Hospital Münster , Pottkamp 2 , 48149 Münster , Germany
| | - Walter Stummer
- Department of Neurosurgery , University Hospital Münster , Albert-Schweitzer-Campus 1 , 48149 Münster , Germany
| | - Uwe Karst
- Institute of Inorganic and Analytical Chemistry , University of Münster , Corrensstraße 30 , 48149 Münster , Germany
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Lakomkin N, Hadjipanayis CG. Fluorescence-guided surgery for high-grade gliomas. J Surg Oncol 2018; 118:356-361. [PMID: 30125355 DOI: 10.1002/jso.25154] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Accepted: 06/11/2018] [Indexed: 12/23/2022]
Abstract
5-aminolevulinic acid (5-ALA) is a prodrug that results in the fluorescence of high-grade gliomas relative to the surrounding brain parenchyma. 5-ALA has been increasingly utilized in fluorescence-guided surgery for these tumors, and its intraoperative use has been associated with a significantly improved extent of resection and progression-free survival. This review outlines the growing body of evidence that has culminated in the recent Food and Drug Administration approval of 5-ALA, as well as emerging applications for this agent.
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Affiliation(s)
- Nikita Lakomkin
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, New York.,Department of Neurosurgery, Icahn School of Medicine, Mount Sinai Beth Israel, Mount Sinai Health System, New York, New York
| | - Constantinos G Hadjipanayis
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, New York.,Department of Neurosurgery, Icahn School of Medicine, Mount Sinai Beth Israel, Mount Sinai Health System, New York, New York
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Cozzens JW, Lokaitis BC, Moore BE, Amin DV, Espinosa JA, MacGregor M, Michael AP, Jones BA. A Phase 1 Dose-Escalation Study of Oral 5-Aminolevulinic Acid in Adult Patients Undergoing Resection of a Newly Diagnosed or Recurrent High-Grade Glioma. Neurosurgery 2018; 81:46-55. [PMID: 28498936 DOI: 10.1093/neuros/nyw182] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 04/25/2017] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The utility of oral 5-aminolevulinic acid (5-ALA)/protoporphyrin fluorescence for the resection of high-grade gliomas is well documented. This drug has received regulatory approval in Europe but awaits approval in the United States. OBJECTIVE To identify the appropriate dose and toxicity or harms of 5-ALA used for enhanced intraoperative visualization of malignant brain tumors, reported from a single medical center in the United States. METHODS Prior to craniotomy for resection of a presumed high-grade glioma, individuals were given oral 5-ALA as part of a rapid dose-escalation scheme. At least 3 patients were selected for each dose level from 10 to 50 mg/kg in 10 mg/kg increments. Adverse events, intensity of tumor fluorescence, and results of biopsies in areas of tumor and the tumor bed under white light and deep blue light were recorded. RESULTS A total of 19 patients were studied in this phase 1 study. Serious adverse events were unrelated to the ingestion of 5-ALA. At the highest dose level studied (50 mg/kg), 2 out of 6 patients were observed to have transient dermatologic redness and peeling. These were grade 1 adverse events, which were not serious enough to be dose limiting. Patients at higher dose levels (>40 mg/kg) were more likely to have strong tumor fluorescence. There were no instances of false positive fluorescence. CONCLUSION The use of 5-ALA for brain tumor fluorescence is safe and effective to a dose of 50 mg/kg. Dose-limiting toxicity was not reached in this study.
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Affiliation(s)
| | - Barbara C Lokaitis
- Center for Clinical Research, Southern Illinois University School of Medicine, Springfield, Illinois
| | - Brian E Moore
- Department of Pathology, University of Colorado/Anshutz Medical Campus, Aurora, Colorado
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Munkvold BKR, Jakola AS, Reinertsen I, Sagberg LM, Unsgård G, Solheim O. The Diagnostic Properties of Intraoperative Ultrasound in Glioma Surgery and Factors Associated with Gross Total Tumor Resection. World Neurosurg 2018; 115:e129-e136. [PMID: 29631086 DOI: 10.1016/j.wneu.2018.03.208] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 03/28/2018] [Accepted: 03/29/2018] [Indexed: 01/05/2023]
Abstract
OBJECTIVE In glioma operations, we sought to analyze sensitivity, specificity, and predictive values of intraoperative 3-dimensional ultrasound (US) for detecting residual tumor compared with early postoperative magnetic resonance imaging (MRI). Factors possibly associated with radiologic complete resection were also explored. METHODS One hundred forty-four operations for diffuse supratentorial gliomas were included prospectively in an unselected, population-based, single-institution series. Operating surgeons answered a questionnaire immediately after surgery, stating whether residual tumor was seen with US at the end of resection and rated US image quality (e.g., good, medium, poor). Extent of surgical resection was estimated from preoperative and postoperative MRI. RESULTS Overall specificity was 85% for "no tumor remnant" seen in US images at the end of resection compared with postoperative MRI findings. Sensitivity was 46%, but tumor remnants seen on MRI were usually small (median, 1.05 mL) in operations with false-negative US findings. Specificity was highest in low-grade glioma operations (94%) and lowest in patients who had undergone prior radiotherapy (50%). Smaller tumor volume and superficial location were factors significantly associated with gross total resection in a multivariable logistic regression analysis, whereas good ultrasound image quality did not reach statistical significance (P = 0.061). CONCLUSIONS The specificity of intraoperative US is good, but sensitivity for detecting the last milliliter is low compared with postoperative MRI. Tumor volume and tumor depth are the predictors of achieving gross total resection, although ultrasound image quality was not.
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Affiliation(s)
| | - Asgeir Store Jakola
- Department of Neurosurgery, St. Olav's University Hospital, Trondheim, Norway; Department of Neurosurgery, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Neuroscience and Physiology, Sahlgrenska Academy, Gothenburg, Sweden
| | - Ingerid Reinertsen
- Norwegian National Advisory Unit for Ultrasound and Image Guided Therapy, St. Olav's University Hospital, Trondheim, Norway; SINTEF, Department of Medical Technology, Trondheim, Norway
| | - Lisa Millgård Sagberg
- Department of Neurosurgery, St. Olav's University Hospital, Trondheim, Norway; Norwegian National Advisory Unit for Ultrasound and Image Guided Therapy, St. Olav's University Hospital, Trondheim, Norway; Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
| | - Geirmund Unsgård
- Department of Neurosurgery, St. Olav's University Hospital, Trondheim, Norway; Norwegian National Advisory Unit for Ultrasound and Image Guided Therapy, St. Olav's University Hospital, Trondheim, Norway; Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
| | - Ole Solheim
- Department of Neurosurgery, St. Olav's University Hospital, Trondheim, Norway; Norwegian National Advisory Unit for Ultrasound and Image Guided Therapy, St. Olav's University Hospital, Trondheim, Norway; Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
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With a Little Help from My Friends: The Role of Intraoperative Fluorescent Dyes in the Surgical Management of High-Grade Gliomas. Brain Sci 2018; 8:brainsci8020031. [PMID: 29414911 PMCID: PMC5836050 DOI: 10.3390/brainsci8020031] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 01/09/2018] [Accepted: 01/31/2018] [Indexed: 12/12/2022] Open
Abstract
High-grade gliomas (HGGs) are the most frequent primary malignant brain tumors in adults, which lead to death within two years of diagnosis. Maximal safe resection of malignant gliomas as the first step of multimodal therapy is an accepted goal in malignant glioma surgery. Gross total resection has an important role in improving overall survival (OS) and progression-free survival (PFS), but identification of tumor borders is particularly difficult in HGGS. For this reason, imaging adjuncts, such as 5-aminolevulinic acid (5-ALA) or fluorescein sodium (FS) have been proposed as superior strategies for better defining the limits of surgical resection for HGG. 5-aminolevulinic acid (5-ALA) is implicated as precursor in the synthetic pathway of heme group. Protoporphyrin IX (PpIX) is an intermediate compound of heme metabolism, which produces fluorescence when excited by appropriate light wavelength. Malignant glioma cells have the capacity to selectively synthesize or accumulate 5-ALA-derived porphyrins after exogenous administration of 5-ALA. Fluorescein sodium (FS), on the other hand, is a fluorescent substance that is not specific to tumor cells but actually it is a marker for compromised blood-brain barrier (BBB) areas. Its effectiveness is confirmed by multicenter phase-II trial (FLUOGLIO) but lack of randomized phase III trial data. We conducted an analytic review of the literature with the objective of identifying the usefulness of 5-ALA and FS in HGG surgery in adult patients.
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Kamp MA, Krause Molle Z, Munoz-Bendix C, Rapp M, Sabel M, Steiger HJ, Cornelius JF. Various shades of red-a systematic analysis of qualitative estimation of ALA-derived fluorescence in neurosurgery. Neurosurg Rev 2018; 41:3-18. [PMID: 27225452 DOI: 10.1007/s10143-016-0745-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 03/08/2016] [Accepted: 03/13/2016] [Indexed: 01/11/2023]
Abstract
5-Aminolevulinic acid (5-ALA)-fluorescence-guided resection is well established in many neuro-oncologic centers. Different classifications of 5-ALA-induced fluorescence have been reported. The aim of the systematic analysis was to evaluate the frequency of graduations, definitions, and designations of 5-ALA-induced fluorescence qualities. A systematic database search of PubMed was performed to identify studies reporting (1) on 5-ALA fluorescence-guided either spinal or cranial surgery, (2) on qualitative estimation and/or categorization of 5-ALA-induced fluorescence, (3) in English, and (4) were published as peer-reviewed original studies. Totally, 93 studies were identified. Different classification systems of 5-ALA-induced fluorescence were found. Over 60 % of the included studies used a dichotomized categorization of 5-ALA-induced fluorescence and 27.5 % of studies distinguished two different intensities of 5-ALA fluorescent tissue in addition to non-fluorescing tissue. More than 50 % of studies explicitly defined criteria for categorization of 5-ALA-induced fluorescence. The major limitation of the present analysis might be that it mainly comprises data from retrospective, uncontrolled, non-randomized trials. However, a precise definition of each 5-ALA-induced fluorescence quality is essential. Although dichotomized classification is the most common and simple graduation system, it may not be suitable for every clinical or scientific task. A three-level 5-ALA-induced fluorescence classification with precise definition of each fluorescence quality and their correlation with histological features would be more useful and reproducible in these cases.
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Affiliation(s)
- Marcel A Kamp
- Department of Neurosurgery, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany.
| | - Zarela Krause Molle
- Department of Neurosurgery, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany
| | - Christopher Munoz-Bendix
- Department of Neurosurgery, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany
| | - Marion Rapp
- Department of Neurosurgery, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany
| | - Michael Sabel
- Department of Neurosurgery, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany
| | - Hans-Jakob Steiger
- Department of Neurosurgery, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany
| | - Jan F Cornelius
- Department of Neurosurgery, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany.
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Kiesel B, Mischkulnig M, Woehrer A, Martinez-Moreno M, Millesi M, Mallouhi A, Czech T, Preusser M, Hainfellner JA, Wolfsberger S, Knosp E, Widhalm G. Systematic histopathological analysis of different 5-aminolevulinic acid-induced fluorescence levels in newly diagnosed glioblastomas. J Neurosurg 2017; 129:341-353. [PMID: 29076783 DOI: 10.3171/2017.4.jns162991] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
OBJECTIVE Glioblastoma (GBM) is characterized by distinct intratumoral histopathological heterogeneity with regard to variable tumor morphology, cell proliferation, and microvascularity. Maximum resection of a GBM results in an improved prognosis and thus represents the aim of surgery in the majority of cases. Fluorescence-guided surgery using 5-aminolevulinic acid (5-ALA) is currently widely applied for improved intraoperative tumor visualization in patients with a GBM. Three intratumoral fluorescence levels (i.e., strong, vague, or no fluorescence) can usually be distinguished during surgery. So far, however, their exact histopathological correlates and their surgical relevance have not been clarified sufficiently. Thus, the aim of this study was to systematically analyze tissue samples from newly diagnosed GBMs with different fluorescence levels according to relevant histopathological parameters. METHODS This prospective study recruited patients who underwent 5-ALA fluorescence-guided resection of a newly diagnosed radiologically suspected GBM. Each patient received 5-ALA approximately 3 hours before surgery, and a modified neurosurgical microscope was applied for intraoperative visualization of 5-ALA-induced fluorescence. During surgery, tissue samples with strong, vague, or no fluorescence were collected. For each sample, the presence of tumor tissue, quality of tissue (compact, infiltrative, or no tumor), histopathological criteria of malignancy (cell density, nuclear pleomorphism, mitotic activity, and presence of microvascular proliferation/necrosis), proliferation rate (MIB-1 labeling index [LI]), and microvessel density (using CD34 staining) were investigated. RESULTS Altogether, 77 patients with a newly diagnosed, histopathologically confirmed GBM were included, and 131 samples with strong fluorescence, 69 samples with vague fluorescence, and 67 samples with no fluorescence were collected. Tumor tissue was detected in all 131 (100%) of the samples with strong fluorescence and in 65 (94%) of the 69 samples with vague fluorescence. However, mostly infiltrative tumor tissue was still found in 33 (49%) of 67 samples despite their lack of fluorescence. Strong fluorescence corresponded to compact tumors in 109 (83%) of 131 samples, whereas vague fluorescence was consistent with infiltrative tumors in 44 (64%) of 69 samples. In terms of the histopathological criteria of malignancy, a significant positive correlation of all analyzed parameters comprising cell density, nuclear pleomorphism, mitotic activity, microvascular proliferation, and necrosis with the 3 fluorescence levels was observed (p < 0.001). Furthermore, the proliferation rate significantly and positively correlated with strong (MIB-1 LI 28.3%), vague (MIB-1 LI 16.7%), and no (MIB-1 LI 8.8%) fluorescence (p < 0.001). Last, a significantly higher microvessel density was detected in samples with strong fluorescence (CD34 125.5 vessels/0.25 mm2) than in those with vague (CD34 82.8 vessels/0.25 mm2) or no (CD34 68.6 vessels/0.25 mm2) fluorescence (p < 0.001). CONCLUSIONS Strong and vague 5-ALA-induced fluorescence enables visualization of intratumoral areas with specific histopathological features and thus supports neurosurgeons in improving the extent of resection in patients with a newly diagnosed GBM. Despite the lack of fluorescence, tumor tissue was still observed in approximately half of the cases. To overcome this current limitation, the promising approach of complementary spectroscopic measurement of fluorescence should be investigated further.
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Affiliation(s)
- Barbara Kiesel
- 1Department of Neurosurgery.,2Institute of Neurology.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | | | - Adelheid Woehrer
- 2Institute of Neurology.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | | | - Matthias Millesi
- 1Department of Neurosurgery.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | - Ammar Mallouhi
- Departments of3Radiology and.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | - Thomas Czech
- 1Department of Neurosurgery.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | - Matthias Preusser
- 4Medicine I, and.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | - Johannes A Hainfellner
- 2Institute of Neurology.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | - Stefan Wolfsberger
- 1Department of Neurosurgery.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | - Engelbert Knosp
- 1Department of Neurosurgery.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
| | - Georg Widhalm
- 1Department of Neurosurgery.,5Comprehensive Cancer Center-Central Nervous System Tumours Unit (CCC-CNS), Medical University Vienna, Austria
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Abstract
Maximal safe resection is the cornerstone of treatment for low-grade and high-grade gliomas. In addition to high-resolution anatomic MRI studies that highlight tumor architecture, it is important to determine the relationship of the tumor to the eloquent cortical and subcortical areas to avoid introducing or exacerbating a neurologic deficit. The goal of this review was to highlight imaging modalities that provide functional information and can be integrated with intraoperative MRI navigation to maximize the extent of resection while preserving a patient's neurologic function.
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Picart T, Armoiry X, Berthiller J, Dumot C, Pelissou-Guyotat I, Signorelli F, Guyotat J. Is fluorescence-guided surgery with 5-ala in eloquent areas for malignant gliomas a reasonable and useful technique? Neurochirurgie 2017; 63:189-196. [DOI: 10.1016/j.neuchi.2016.12.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/29/2016] [Accepted: 12/04/2016] [Indexed: 11/30/2022]
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Richter JCO, Haj-Hosseini N, Hallbeck M, Wårdell K. Combination of hand-held probe and microscopy for fluorescence guided surgery in the brain tumor marginal zone. Photodiagnosis Photodyn Ther 2017; 18:185-192. [PMID: 28223144 DOI: 10.1016/j.pdpdt.2017.01.188] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 12/23/2016] [Accepted: 01/03/2017] [Indexed: 11/26/2022]
Abstract
BACKGROUND Visualization of the tumor is crucial for differentiating malignant tissue from healthy brain during surgery, especially in the tumor marginal zone. The aim of the study was to introduce a fluorescence spectroscopy-based hand-held probe (HHF-probe) for tumor identification in combination with the fluorescence guided resection surgical microscope (FGR-microscope), and evaluate them in terms of diagnostic performance and practical aspects of fluorescence detection. MATERIAL AND METHODS Eighteen operations were performed on 16 patients with suspected high-grade glioma. The HHF-probe and the FGR-microscope were used for detection of protoporphyrin (PpIX) fluorescence induced by 5-aminolevulinic acid (5-ALA) and evaluated against histopathological analysis and visual grading done through the FGR-microscope by the surgeon. A ratio of PpIX fluorescence intensity to the autofluorescence intensity (fluorescence ratio) was used to quantify the spectra detected by the probe. RESULTS Fluorescence ratio medians (range 0 - 40) measured by the probe were related to the intensity of the fluorescence in the FGR-microscope, categorized as "none" (0.3, n=131), "weak" (1.6, n=34) and "strong" (5.4, n=28). Of 131 "none" points in the FGR-microscope, 88 (67%) exhibited fluorescence with the HHF-probe. For the tumor marginal zone, the area under the receiver operator characteristics (ROC) curve was 0.49 for the FGR-microscope and 0.65 for the HHF-probe. CONCLUSIONS The probe was integrated in the established routine of tumor resection using the FGR-microscope. The HHF-probe was superior to the FGR-microscope in sensitivity; it detected tumor remnants after debulking under the FGR-microscope. The combination of the HHF-probe and the FGR-microscope was beneficial especially in the tumor marginal zone.
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Affiliation(s)
- Johan C O Richter
- Department of Biomedical Engineering, Linköping University, Sweden; Department of Neurosurgery Linköping University Hospital, Region Östergötland, Linköping, Sweden.
| | | | - Martin Hallbeck
- Department of Clinical Pathology and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Karin Wårdell
- Department of Biomedical Engineering, Linköping University, Sweden
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48
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Senders JT, Muskens IS, Schnoor R, Karhade AV, Cote DJ, Smith TR, Broekman MLD. Agents for fluorescence-guided glioma surgery: a systematic review of preclinical and clinical results. Acta Neurochir (Wien) 2017; 159:151-167. [PMID: 27878374 PMCID: PMC5177668 DOI: 10.1007/s00701-016-3028-5] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 11/09/2016] [Indexed: 01/09/2023]
Abstract
BACKGROUND Fluorescence-guided surgery (FGS) is a technique used to enhance visualization of tumor margins in order to increase the extent of tumor resection in glioma surgery. In this paper, we systematically review all clinically tested fluorescent agents for application in FGS for glioma and all preclinically tested agents with the potential for FGS for glioma. METHODS We searched the PubMed and Embase databases for all potentially relevant studies through March 2016. We assessed fluorescent agents by the following outcomes: rate of gross total resection (GTR), overall and progression-free survival, sensitivity and specificity in discriminating tumor and healthy brain tissue, tumor-to-normal ratio of fluorescent signal, and incidence of adverse events. RESULTS The search strategy resulted in 2155 articles that were screened by titles and abstracts. After full-text screening, 105 articles fulfilled the inclusion criteria evaluating the following fluorescent agents: 5-aminolevulinic acid (5-ALA) (44 studies, including three randomized control trials), fluorescein (11), indocyanine green (five), hypericin (two), 5-aminofluorescein-human serum albumin (one), endogenous fluorophores (nine) and fluorescent agents in a pre-clinical testing phase (30). Three meta-analyses were also identified. CONCLUSIONS 5-ALA is the only fluorescent agent that has been tested in a randomized controlled trial and results in an improvement of GTR and progression-free survival in high-grade gliomas. Observational cohort studies and case series suggest similar outcomes for FGS using fluorescein. Molecular targeting agents (e.g., fluorophore/nanoparticle labeled with anti-EGFR antibodies) are still in the pre-clinical phase, but offer promising results and may be valuable future alternatives.
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Affiliation(s)
- Joeky T Senders
- Department of Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Ivo S Muskens
- Department of Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Rosalie Schnoor
- Department of Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Aditya V Karhade
- Department of Neurosurgery, Cushing Neurosurgery Outcomes Center, Brigham and Women's Hospital, Harvard Medical School, 15 Francis Street, Boston, MA, 02115, USA
| | - David J Cote
- Department of Neurosurgery, Cushing Neurosurgery Outcomes Center, Brigham and Women's Hospital, Harvard Medical School, 15 Francis Street, Boston, MA, 02115, USA
| | - Timothy R Smith
- Department of Neurosurgery, Cushing Neurosurgery Outcomes Center, Brigham and Women's Hospital, Harvard Medical School, 15 Francis Street, Boston, MA, 02115, USA
| | - Marike L D Broekman
- Department of Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
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Valdés PA, Roberts DW, Lu FK, Golby A. Optical technologies for intraoperative neurosurgical guidance. Neurosurg Focus 2016; 40:E8. [PMID: 26926066 DOI: 10.3171/2015.12.focus15550] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Biomedical optics is a broadly interdisciplinary field at the interface of optical engineering, biophysics, computer science, medicine, biology, and chemistry, helping us understand light-tissue interactions to create applications with diagnostic and therapeutic value in medicine. Implementation of biomedical optics tools and principles has had a notable scientific and clinical resurgence in recent years in the neurosurgical community. This is in great part due to work in fluorescence-guided surgery of brain tumors leading to reports of significant improvement in maximizing the rates of gross-total resection. Multiple additional optical technologies have been implemented clinically, including diffuse reflectance spectroscopy and imaging, optical coherence tomography, Raman spectroscopy and imaging, and advanced quantitative methods, including quantitative fluorescence and lifetime imaging. Here we present a clinically relevant and technologically informed overview and discussion of some of the major clinical implementations of optical technologies as intraoperative guidance tools in neurosurgery.
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Affiliation(s)
- Pablo A Valdés
- Departments of 1 Neurosurgery and.,Department of Neurosurgery, Harvard Medical School, Boston Children's Hospital, Boston
| | - David W Roberts
- Section of Neurosurgery, Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
| | | | - Alexandra Golby
- Departments of 1 Neurosurgery and.,Radiology, and.,Dana Farber Cancer Institute, Harvard Medical School, Brigham and Women's Hospital
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Yoneyama T, Watanabe T, Kagawa H, Hayashi Y, Nakada M. Fluorescence intensity and bright spot analyses using a confocal microscope for photodynamic diagnosis of brain tumors. Photodiagnosis Photodyn Ther 2016; 17:13-21. [PMID: 27840177 DOI: 10.1016/j.pdpdt.2016.11.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 10/20/2016] [Accepted: 11/09/2016] [Indexed: 12/30/2022]
Abstract
BACKGROUND In photodynamic diagnosis using 5-aminolevulinic acid (5-ALA), discrimination between the tumor and normal tissue is very important for a precise resection. However, it is difficult to distinguish between infiltrating tumor and normal regions in the boundary area. In this study, fluorescent intensity and bright spot analyses using a confocal microscope is proposed for the precise discrimination between infiltrating tumor and normal regions. METHODS From the 5-ALA-resected brain tumor tissue, the red fluorescent and marginal regions were sliced for observation under a confocal microscope. Hematoxylin and eosin (H&E) staining were performed on serial slices of the same tissue. According to the pathological inspection of the H&E slides, the tumor and infiltrating and normal regions on confocal microscopy images were investigated. From the fluorescent intensity of the image pixels, a histogram of pixel number with the same fluorescent intensity was obtained. The fluorescent bright spot sizes and total number were compared between the marginal and normal regions. RESULTS The fluorescence intensity distribution and average intensity in the tumor were different from those in the normal region. The probability of a difference from the dark enhanced the difference between the tumor and the normal region. The bright spot size and number in the infiltrating tumor were different from those in the normal region. CONCLUSIONS Fluorescence intensity analysis is useful to distinguish a tumor region, and a bright spot analysis is useful to distinguish between infiltrating tumor and normal regions. These methods will be important for the precise resection or photodynamic therapy of brain tumors.
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Affiliation(s)
- Takeshi Yoneyama
- School of Mechanical Engineering, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
| | - Tetsuyo Watanabe
- School of Mechanical Engineering, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Hiroyuki Kagawa
- School of Mechanical Engineering, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Yutaka Hayashi
- Department of Neurosurgery Graduate School of Medical Science, Kanazawa University Takara-machi, Kanazawa 920-8641, Japan
| | - Mitsutoshi Nakada
- Department of Neurosurgery Graduate School of Medical Science, Kanazawa University Takara-machi, Kanazawa 920-8641, Japan
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