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Gomes FC, Ferreira MY, Larcipretti ALL, Freitas BCB, Andreão FF, Turpin J, Bertani R, Singha S, Polverini AD, Ferreira C, Dellaretti M, D'Amico RS. Sodium fluorescein and 5-aminolevulinic acid fluorescence- guided biopsy in brain lesions: a systematic review and meta-analysis. J Neurooncol 2024:10.1007/s11060-024-04779-z. [PMID: 39126591 DOI: 10.1007/s11060-024-04779-z] [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: 06/04/2024] [Accepted: 07/11/2024] [Indexed: 08/12/2024]
Abstract
PURPOSE Stereotactic brain biopsies are highly efficient for diagnosing intracerebral pathologies, particularly when surgical resection is infeasible. Fluorescence-based agents such as 5-aminolevulinic acid (5-ALA) and fluorescein sodium (NaFl) can enhance diagnostic accuracy and safety, improving the visualization of lesional tissues. This meta-analysis aimed to evaluate their effect on diagnostic yield and complication rates of brain biopsies. METHODS This study adhered to Cochrane and PRISMA guidelines. We assessed studies for diagnostic yield and complication rates. Data was analyzed using a random-effects model in RStudio. Diagnostic accuracy measures such as sensitivity and predictive values were calculated based on fluorescence visibility in biopsy samples. RESULTS Thirty-two non-randomized studies were included, comprising 947 patients, with a mean age ranging from 37 to 77 years, and a mean sample number ranging from 1 to 15 specimens. Diagnostic yields were high: 93% for NaFl and 96% for 5-ALA. Major complications occurred in 3% of procedures with both agents, while minor complications were reported in 7% and 5% with NaFl and 5-ALA respectively. The Negative-predictive-value (NPV) of 5-ALA and NaFl were 8-11% and 60-80% respectively. NaFl demonstrates higher sensitivity and specificity at 84% and 100% compared to 5-ALA's 66%. and 85% respectively. CONCLUSION 5-ALA and NaFl provide high diagnostic yields with acceptable safety profiles in stereotactic biopsies. NaFl showed higher sensitivity and specificity. NaFl outperforms 5ALA in terms of NPV making it more efficient for small lesions near eloquent regions or major blood vessels. The significance of these findings can be further ascertained through randomized trials.
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Affiliation(s)
| | - Marcio Yuri Ferreira
- Department of Neurosurgery, Lenox Hill Hospital/Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA
| | | | | | - Filipi Fim Andreão
- Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Justin Turpin
- Department of Neurosurgery, Lenox Hill Hospital/Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA
| | - Raphael Bertani
- Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil
- Department of Neurosurgery, Lenox Hill Hospital/Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA
- School of Medicine, Federal University of Ouro Preto, Ouro Preto, Brazil
- Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Neurosurgery, Hospital de Amor, Barretos, Brazil
- Department of Neurosurgery, Santa Casa de Belo Horizonte, Belo Horizonte, Brazil
- Department of Neurosurgery, University of São Paulo, São Paulo, Brazil
| | - Souvik Singha
- Department of Neurosurgery, Lenox Hill Hospital/Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA
| | | | - Christian Ferreira
- Department of Neurosurgery, Lenox Hill Hospital/Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA
| | - Marcos Dellaretti
- Department of Neurosurgery, Santa Casa de Belo Horizonte, Belo Horizonte, Brazil
| | - Randy S D'Amico
- Department of Neurosurgery, Lenox Hill Hospital/Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA.
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Ajmera S, Blue R, Lee JYK. Fluorophores in Endoscopic Neurosurgery. Adv Tech Stand Neurosurg 2024; 52:21-28. [PMID: 39017784 DOI: 10.1007/978-3-031-61925-0_3] [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] [Indexed: 07/18/2024]
Abstract
The complexity of intracranial anatomy and pathologies warrants the optimization of multimodal techniques to ensure safe and effective surgical treatment. Endoscopy is being more widely implemented in intracranial procedures as an important visualization tool, as it can offer panoramic views of deep structures while reducing the invasiveness of approaches. Fluorophores are frequently utilized to augment the identification of intracranial anatomic landmarks and pathologies. This chapter discusses the integration of these two surgical adjuncts, highlighting the key fluorophores used in endoscopic neurosurgery and their clinical applications.
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Affiliation(s)
- Sonia Ajmera
- Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA.
| | - Rachel Blue
- Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - John Y K Lee
- Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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de Laurentis C, Bteich F, Beuriat PA, Mottolese C, Giussani C, Szathmari A, Vinchon M, Di Rocco F. Sodium fluorescein in pediatric neurosurgery: a systematic review with technical considerations and future perspectives. Childs Nerv Syst 2022; 39:1451-1462. [PMID: 36459209 DOI: 10.1007/s00381-022-05772-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 11/23/2022] [Indexed: 12/03/2022]
Abstract
BACKGROUND Sodium fluorescein (SF) is routinely used in several centers as a valid intraoperative adjunct in adult oncological neurosurgery. Its use in pediatric neurosurgery is increasing, although its role is not yet well-defined in children. We reviewed the current literature in order to evaluate the use of SF in children with CNS and PNS lesions. METHODS For this systematic review, we searched PubMed, Scopus, and Embase databases, and forward and backward citations for studies published between database inception and July 31st, 2022. We included any article type or congress abstract adding at least a new case, without restrictions of language or publication status, concerning the use of SF in neurosurgical procedures in patients under 18 years of age. We excluded studies concerning purely vascular cases and cerebrospinal fluid leaks. RESULTS Of 4094 records identified, 19 articles were eligible and included for further analysis. As per July 31st, 2022, at least 119 patients aged from 11 months to 17.9 years underwent surgery with SF. No serious adverse events were reported. A large variety of tumor types was operated, in most cases resected under the specific YELLOW 560 nm filter after a low-dose SF injection (2-5 mg/kg) at the end of anesthesia induction. SF was reported particularly useful in gangliogliomas and pilocytic astrocytomas. DISCUSSION/CONCLUSION Given its easy-to-use profile, low cost, and safety, SF seems to be a feasible and valid adjunct in the pediatric population when aiming at individuating a biopsy target or maximizing extent of resection, particularly in some tumor types. Further studies are required to strengthen the evidence on its impact on outcomes.
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Affiliation(s)
- Camilla de Laurentis
- Pediatric Neurosurgery Unit, Hôpital Femme Mère Enfant, Lyon, France. .,Department of Medicine and Surgery, Università degli Studi di Milano Bicocca, Milan, Italy.
| | - Fred Bteich
- Pediatric Neurosurgery Unit, Hôpital Femme Mère Enfant, Lyon, France
| | | | - Carmine Mottolese
- Pediatric Neurosurgery Unit, Hôpital Femme Mère Enfant, Lyon, France
| | - Carlo Giussani
- Department of Medicine and Surgery, Università degli Studi di Milano Bicocca, Milan, Italy.,Neurosurgery Unit, San Gerardo Hospital, Monza, Italy
| | | | - Matthieu Vinchon
- Pediatric Neurosurgery Unit, Hôpital Femme Mère Enfant, Lyon, France
| | - Federico Di Rocco
- Pediatric Neurosurgery Unit, Hôpital Femme Mère Enfant, Lyon, France.,Department of Medicine and Surgery, Université Claude Bernard Lyon I, Lyon, France
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Sodium fluorescein in pediatric oncological neurosurgery: a pilot study on 50 children. Childs Nerv Syst 2022; 39:1473-1484. [PMID: 36454309 DOI: 10.1007/s00381-022-05765-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 11/15/2022] [Indexed: 12/04/2022]
Abstract
BACKGROUND Sodium fluorescein (SF) is currently considered a valid intraoperative adjunct in the resection of high-grade brain lesions in adults. Experiences in pediatric groups and in low-grade gliomas and other low-grade lesions are still limited in literature, and subjective evaluation of fluorescence is still a limitation. MATERIAL AND METHODS This study retrospectively reviewed all patients with brain or spine lesions operated on from September 2021 to July 2022 in the Pediatric Neurosurgery Unit of Hôpital Femme Mère Enfant, Lyon, who had received 5 mg/kg of 10%. Surgery was performed using a YELLOW560 filter at crucial times. At the end of surgery, the first operator completed a questionnaire, including his opinion on whether SF had been useful in tumor resection, recorded as a binary variable. Post hoc, surgical images were reviewed using ImageJ, an open-source Java image processing platform. In order to compare independent discrete variables, we applied the Student's t test, and we applied the Chi-square or Fisher exact test for binary variables. A threshold of p < 0.05 was set for statistical significance. RESULTS We included 50 pediatric patients (0.2-17.6 years old). Forty/50 lesions showed SF uptake (80%). The differentiation between healthy and affected tissue, thanks to SF, subjectively evaluated by the surgeon, had as objective counterpart the statistically significant higher brightness of green in lesions, registered by the software (p < 0.001). SF overall allowed a good differentiation in 33/50 lesions, and overall utility of SF has been noted in 67% of them. When specifically considering gliomas, overall utility reached 75%. CONCLUSION SF is a feasible, safe, and useful intraoperative adjunct in pediatric neurosurgery. In particular, it seems to have a promising role in some low-grade infiltrating glial tumors. The subjective evaluation of fluorescence seems to be reliable with respect to image analyses software.
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da Costa MDS, Vaz HHS, Silva NA, Dastoli PA, Nicácio JM, Malveira AS, Flores EIB, Cavalheiro S. Fluorescein-guided resection for pediatric low-grade gliomas: institutional experience on two cases and a narrative literature review. Childs Nerv Syst 2022; 39:1485-1493. [PMID: 36454311 DOI: 10.1007/s00381-022-05773-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022]
Abstract
PURPOSE Low-grade gliomas compose 30% of pediatric central nervous system tumors and outcomes of disease-free progression, and survival is directly correlated to the extent of resection. The use of sodium fluorescein (Na-Fl) is an intraoperative method in the localization of tumor cells in adult patients to optimize resection. Our purpose is to describe the use of Na-Fl in pediatric low-grade gliomas and its outcomes. METHODS Patients under 18 years of age with low-grade gliomas at the author's institution underwent resection with the use of Na-Fl, with review of preoperative imaging findings, intraoperative results, and follow-up. Then, a comprehensive, narrative literature review of the use of Na-Fl in pediatric low-grade glioma was performed. RESULTS Our single-institution use of Na-Fl in pediatric patients with suspected low-grade glioma demonstrated excellent results of intraoperative enhancement of tumor cells as well as gross total resection. The literature demonstrated 84% Na-Fl staining and 59.2% of gross total resection in pediatric low-grade gliomas with few small case studies, a range of reported findings, and few side effects. CONCLUSION Na-Fl has a promising use in low-grade glioma resection in the pediatric patient population. Further research is warranted, such as randomized controlled studies, to assess Na-Fl as a potential tool in improving resection and long-term favorable outcomes.
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Affiliation(s)
- Marcos Devanir Silva da Costa
- Department of Neurology and Neurosurgery, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil
- Division of Neurosurgery, Instituto de Oncologia Pediatrica (IOP/GRAACC), Sao Paulo, SP, Brazil
| | | | - Nicole A Silva
- Department of Neurosurgery, University of North Carolina-Chapel Hill, Chapel Hill, NC, USA
| | - Patricia Alessandra Dastoli
- Department of Neurology and Neurosurgery, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil
- Division of Neurosurgery, Instituto de Oncologia Pediatrica (IOP/GRAACC), Sao Paulo, SP, Brazil
| | - Jardel Mendonça Nicácio
- Department of Neurology and Neurosurgery, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil
- Division of Neurosurgery, Instituto de Oncologia Pediatrica (IOP/GRAACC), Sao Paulo, SP, Brazil
| | - Adib Saraty Malveira
- Department of Neurology and Neurosurgery, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil
| | | | - Sergio Cavalheiro
- Department of Neurology and Neurosurgery, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil
- Division of Neurosurgery, Instituto de Oncologia Pediatrica (IOP/GRAACC), Sao Paulo, SP, Brazil
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Boaro A, Moscolo F, Feletti A, Polizzi G, Nunes S, Siddi F, Broekman M, Sala F. Visualization, navigation, augmentation. The ever-changing perspective of the neurosurgeon. BRAIN & SPINE 2022; 2:100926. [PMID: 36248169 PMCID: PMC9560703 DOI: 10.1016/j.bas.2022.100926] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/23/2022] [Accepted: 08/10/2022] [Indexed: 11/22/2022]
Abstract
Introduction The evolution of neurosurgery coincides with the evolution of visualization and navigation. Augmented reality technologies, with their ability to bring digital information into the real environment, have the potential to provide a new, revolutionary perspective to the neurosurgeon. Research question To provide an overview on the historical and technical aspects of visualization and navigation in neurosurgery, and to provide a systematic review on augmented reality (AR) applications in neurosurgery. Material and methods We provided an overview on the main historical milestones and technical features of visualization and navigation tools in neurosurgery. We systematically searched PubMed and Scopus databases for AR applications in neurosurgery and specifically discussed their relationship with current visualization and navigation systems, as well as main limitations. Results The evolution of visualization in neurosurgery is embodied by four magnification systems: surgical loupes, endoscope, surgical microscope and more recently the exoscope, each presenting independent features in terms of magnification capabilities, eye-hand coordination and the possibility to implement additional functions. In regard to navigation, two independent systems have been developed: the frame-based and the frame-less systems. The most frequent application setting for AR is brain surgery (71.6%), specifically neuro-oncology (36.2%) and microscope-based (29.2%), even though in the majority of cases AR applications presented their own visualization supports (66%). Discussion and conclusions The evolution of visualization and navigation in neurosurgery allowed for the development of more precise instruments; the development and clinical validation of AR applications, have the potential to be the next breakthrough, making surgeries safer, as well as improving surgical experience and reducing costs.
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Affiliation(s)
- A. Boaro
- Section of Neurosurgery, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy
| | - F. Moscolo
- Section of Neurosurgery, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy
| | - A. Feletti
- Section of Neurosurgery, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy
| | - G.M.V. Polizzi
- Section of Neurosurgery, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy
| | - S. Nunes
- Section of Neurosurgery, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy
| | - F. Siddi
- Department of Neurosurgery, Haaglanden Medical Center, The Hague, Zuid-Holland, the Netherlands
| | - M.L.D. Broekman
- Department of Neurosurgery, Haaglanden Medical Center, The Hague, Zuid-Holland, the Netherlands
- Department of Neurosurgery, Leiden University Medical Center, Leiden, Zuid-Holland, the Netherlands
| | - F. Sala
- Section of Neurosurgery, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy
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Takeda J, Nonaka M, Li Y, Isozaki H, Kamei T, Hashiba T, Asai A. 5-Aminolevulinic acid fluorescence-guided endoscopic surgery for intraventricular tumors. Surg Neurol Int 2022; 13:302. [PMID: 35928327 PMCID: PMC9345107 DOI: 10.25259/sni_488_2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 06/26/2022] [Indexed: 11/06/2022] Open
Abstract
Background: In recent years, the efficacy of 5-aminolevulinic acid photodynamic diagnosis (5-ALA PDD) has been reported for various types of brain tumors, including malignant glioma. In addition, many reports have been published on the usefulness of neuroendoscopic surgery for intraventricular lesions. However, no systematic report is available on the combined use of 5-ALA PDD and neuroendoscopy for various intraventricular tumors. Methods: We report 17 consecutive patients with intraventricular tumors. All patients received oral 5-ALA preoperatively and underwent endoscopic surgical treatment (resection or biopsy). We use a rigid endoscope with a built-in PDD system for intraoperative observation. Results: Seven resections and 10 biopsies were performed. Histopathological diagnosis was confirmed in all 17 cases. Gross total resection was achieved in six of seven cases. The fluorescence positivity rates for each tumor were glioblastoma 100% (2/2), low-grade glioma 67% (2/3), subependymoma 0% (0/1), medulloblastoma 100% (1/1), pineoblastoma 0% (0/1), germ cell tumor 75% (3/4), diffuse large B-cell lymphoma 33% (1/3), and metastatic tumor 100% (2/2). Conclusion: Our method has the potential to improve detection of residual tumors in blind spots and deep areas, as well as the accuracy and safety of biopsy procedures for intraventricular lesions that are difficult to view and treat under a microscope.
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Kutlay M, Durmaz MO, Kırık A, Yasar S, Ezgu MC, Kural C, Temiz C, Tehli O, Daneyemez M, Izci Y. Resection of intra- and paraventricular malignant brain tumors using fluorescein sodium-guided neuroendoscopic transtubular approach. Clin Neurol Neurosurg 2021; 207:106812. [PMID: 34280673 DOI: 10.1016/j.clineuro.2021.106812] [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: 05/08/2021] [Revised: 07/04/2021] [Accepted: 07/05/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND The requirement of brain retraction and difficulty in distinguishing the tumor demarcation are challenging in conventional approaches to intra- and paraventricular malignant tumors (IV-PVMTs). Tubular retractors can minimize the retraction injury, and fluorescein-guided (FG) surgery may promote the resection of tumors. Our aim is to evaluate the feasibility, safety, and effectiveness of fluorescein-guided endoscopic transtubular surgery for the resection of IV-PVMTs. METHODS Twenty patients with IV-PVMTs underwent FG endoscopic transtubular tumor resection. Fluorescein sodium was administered before the dural opening. The intraoperative fluorescence staining was classified as "helpful" and "unhelpful" based on surgical observation. Extent of resection was assessed using postoperative magnetic resonance imaging. Karnofsky Performance Status (KPS) score was used to evaluate the general physical condition of patients. RESULTS There were 9 glioblastomas, 4 anaplastic astrocytomas and 7 metastatic tumors. "Helpful" fluorescence staining was observed in 16(80%) of 20 patients. Gross total resection was achieved in 16(80%) cases, near-total in 3(15%) cases, and subtotal in 1 (5%) case. No intra- or postoperative complications related to the fluorescein sodium occurred. The median preoperative KPS score was 83, and the median KPS score 3-month after surgery was 88. CONCLUSION FG endoscopic transtubular surgery is a feasible technique for the resection of IV-PVMTs. It may be a safe and effective option for patients with these tumors. Future prospective randomized studies with larger samples are needed to confirm these preliminary data.
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Affiliation(s)
- Murat Kutlay
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Ozan Durmaz
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Alparslan Kırık
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Soner Yasar
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Can Ezgu
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Cahit Kural
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Caglar Temiz
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Ozkan Tehli
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Daneyemez
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Yusuf Izci
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey.
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Kutlay M, Durmaz O, Ozer İ, Kırık A, Yasar S, Kural C, Temiz Ç, Tehli Ö, Ezgu MC, Daneyemez M, Izci Y. Fluorescein Sodium-Guided Neuroendoscopic Resection of Deep-Seated Malignant Brain Tumors: Preliminary Results of 18 Patients. Oper Neurosurg (Hagerstown) 2021; 20:206-218. [PMID: 33047137 DOI: 10.1093/ons/opaa313] [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: 05/13/2020] [Accepted: 08/02/2020] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Deep-seated intracranial lesions are challenging to resect completely and safely. Fluorescence-guided surgery (FGS) promotes the resection of malignant brain tumors (MBTs). Classically, FGS is performed using microscope equipped with a special filter. Fluorescence-guided neuroendoscopic resection of deep-seated brain tumors has not been reported yet. OBJECTIVE To evaluate the feasibility, safety, and effectiveness of the fluorescence-guided neuroendoscopic surgery in deep-seated MBTs. METHODS A total of 18 patients with high-grade glioma (HGG) and metastatic tumor (MT) underwent fluorescein sodium (FS)-guided neuroendoscopic surgery. Tumor removal was carried out using bimanual microsurgical techniques under endoscopic view. The degree of fluorescence staining was classified as "helpful" and "unhelpful" based on surgical observation. Extent of resection was determined using magnetic resonance imaging (MRI). Karnofsky Performance Status (KPS) score was used for evaluation of general physical performances of patients. RESULTS A total of 11 patients had HGG, and 7 had MT. No technical difficulty was encountered regarding the use of endoscopic technique. "Helpful" fluorescence staining was observed in 16 patients and fluorescent tissue was completely removed. Postoperative MRI confirmed gross total resection (88.9%). In 2 patients, FS enhancement was not helpful enough for tumor demarcation and postoperative MRI revealed near total resection (11.1%). No complication, adverse events, or side effects were encountered regarding the use of FS. KPS score of patients was improved at 3-mo follow-up. CONCLUSION FS-guided endoscopic resection is a feasible technique for deep-seated MBTs. It is safe, effective, and allows for a high rate of resection. Future prospective randomized studies are needed to confirm these preliminary data.
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Affiliation(s)
- Murat Kutlay
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Ozan Durmaz
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - İlker Ozer
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Alpaslan Kırık
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Soner Yasar
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Cahit Kural
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Çağlar Temiz
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Özkan Tehli
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Can Ezgu
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Daneyemez
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Yusuf Izci
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
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Suero Molina E, Stummer W. Where and When to Cut? Fluorescein Guidance for Brain Stem and Spinal Cord Tumor Surgery-Technical Note. Oper Neurosurg (Hagerstown) 2019; 15:325-331. [PMID: 29301040 PMCID: PMC6093771 DOI: 10.1093/ons/opx269] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 11/16/2017] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Spinal cord and brain stem lesions require a judicious approach with an optimized trajectory due to a clustering of functions on their surfaces. Intraoperative mapping helps locate function. To confidently locate such lesions, neuronavigation alone lacks the desired accuracy and is of limited use in the spinal cord. OBJECTIVE To evaluate the clinical value of fluoresceins for initial delineation of such critically located lesions. METHODS We evaluated fluorescein guidance in the surgical resection of lesions with blood-brain barrier disruption demonstrating contrast enhancement in magnet resonance imaging in the spinal cord and in the brain stem in 3 different patients. Two patients harbored a diffuse cervical and thoracic spinal cord lesion, respectively. Another patient suffered metastatic lesions in the brain stem and at the floor of the fourth ventricle. Low-dose fluorescein (4 mg/kg body weight) was applied after anesthesia induction and visualized using the Zeiss Pentero 900 Yellow560 filter (Carl Zeiss, Oberkochen, Germany). RESULTS Fluorescein was helpful for locating lesions and for defining the best possible trajectory. During resection, however, we found unspecific propagation of fluorescein within the brain stem up to 6 mm within 3 h after application. As these lesions were otherwise distinguishable from surrounding tissue, monitoring resection was not an issue. CONCLUSION Fluorescein guidance is a feasible tool for defining surgical entry zones when aiming for surgical removal of spinal cord and brain stem lesions. Unselective fluorescein extravasation cautions against using such methodology for monitoring completeness of resection. Providing the right timing, a window of pseudoselectivity could increase fluoresceins’ clinical value in these cases.
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Affiliation(s)
- Eric Suero Molina
- Department of Neurosurgery, University Hospital Münster, Münster, Germany
| | - Walter Stummer
- Department of Neurosurgery, University Hospital Münster, Münster, Germany
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Di Somma A, Narros Gimenez JL, Almarcha Bethencourt JM, Cavallo LM, Márquez-Rivas J. Neuroendoscopic Intraoperative Ultrasound-Guided Technique for Biopsy of Paraventricular Tumors. World Neurosurg 2018; 122:441-450. [PMID: 30448577 DOI: 10.1016/j.wneu.2018.11.057] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/05/2018] [Accepted: 11/07/2018] [Indexed: 12/19/2022]
Abstract
Different tumors can be encountered in the paraventricular regions, and whereas their deep location often make them difficult to access surgically, they may be amenable to chemotherapy and/or radiotherapy. Therefore, tumor biopsy and histologic diagnosis are mandatory to optimize treatment. Different technical procedures have been recommended; the neuroendoscopic approach is accepted and widely used, in particular with an enlarged ventricular system. However, specifically with paraventricular tumors, tissue sampling may be challenging. In such a scenario, the use of intraoperative ultrasonography technique can add some advantages regarding diagnostic accuracy and procedure safety. Accordingly, in this study we describe a novel technical procedure in 7 selected patients in whom tumor tissue biopsy was performed in a coupled neuroendoscopic and ultrasound-guided environment. We define a neuroendoscopic intraoperative ultrasound technique. The main advantages of this technique are the identification of the tumor that may not been clearly identified underneath the ventricular ependymal through the neuroendoscopic window alone, and furthermore, that this technique gives the possibility to detect the depth of the needle advance∖ment in the selected tissue while labeling the lesion beneath the ventricular ependyma. Moreover, intraoperative ultrasonography can reveal in a real-time fashion intracranial hemorrhages that may occur after tissue biopsy, therefore providing a useful tool to achieve valid and directed hemostasis when needed.
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Affiliation(s)
- Alberto Di Somma
- Division of Neurosurgery, School of Medicine and Surgery, Università degli Studi di Napoli "Federico II", Naples, Italy.
| | | | | | - Luigi Maria Cavallo
- Division of Neurosurgery, School of Medicine and Surgery, Università degli Studi di Napoli "Federico II", Naples, Italy
| | - Javier Márquez-Rivas
- Department of Neurological Surgery, Hospital Universitario Virgen Del Rocío, Sevilla, Spain
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Cavallo C, De Laurentis C, Vetrano IG, Falco J, Broggi M, Schiariti M, Ferroli P, Acerbi F. The utilization of fluorescein in brain tumor surgery: a systematic review. J Neurosurg Sci 2018; 62:690-703. [PMID: 29790725 DOI: 10.23736/s0390-5616.18.04480-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Sodium fluorescein (SF) is a green, water-soluble dye with the capacity to accumulate in cerebral areas as a result of damaged blood-brain barrier (BBB); this property allows SF to concentrate specifically at the tumor site of various types of brain neoplasms, making the tumor tissue more clearly visible. EVIDENCE ACQUISITION A literature search (1947-2018) was conducted with the keywords "fluorescein neurosurgery," "YELLOW neurosurgery," "fluorescein brain tumor," "YELLOW brain tumor." We included clinical studies, clinical trials, observational studies, only conducted on humans and concerning surgery; in addition, we have included 3 articles derived from the analysis of the references of other papers. Ultimately, 57 articles were included for further analysis. EVIDENCE SYNTHESIS Fluorescein as a fluorescent tracer in neuro-oncology is gaining a wider acceptance in the neurosurgical literature: until February 1st, 2018, at least 1099 neuro-oncological patients have been operated through fluorescein-assistance, mostly only after 2012. The most important application remains the aim to improve tumor visualization and extent of resection for high-grade gliomas (HGG), but the nonspecific mechanism of action is the theoretical base for its use also for tumors different from HGG. Nevertheless, no homogenous protocol of fluorescein utilization in neurosurgical oncology can be found in literature. CONCLUSIONS Fluorescein-guided surgery is a safe and effective technique to improve visualization and resection of different CNS tumors and conditions, based on BBB alteration, with a growing evidence-based background.
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Affiliation(s)
- Claudio Cavallo
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph Hospital and Medical Center, Phoenix, AZ, USA
| | - Camilla De Laurentis
- Neurosurgical Unit II, Department of Neurosurgery, IRCCS "Istituto Neurologico C. Besta" Foundation, Milan, Italy
| | - Ignazio G Vetrano
- Neurosurgical Unit II, Department of Neurosurgery, IRCCS "Istituto Neurologico C. Besta" Foundation, Milan, Italy
| | - Jacopo Falco
- Neurosurgical Unit II, Department of Neurosurgery, IRCCS "Istituto Neurologico C. Besta" Foundation, Milan, Italy
| | - Morgan Broggi
- Neurosurgical Unit II, Department of Neurosurgery, IRCCS "Istituto Neurologico C. Besta" Foundation, Milan, Italy
| | - Marco Schiariti
- Neurosurgical Unit II, Department of Neurosurgery, IRCCS "Istituto Neurologico C. Besta" Foundation, Milan, Italy
| | - Paolo Ferroli
- Neurosurgical Unit II, Department of Neurosurgery, IRCCS "Istituto Neurologico C. Besta" Foundation, Milan, Italy
| | - Francesco Acerbi
- Neurosurgical Unit II, Department of Neurosurgery, IRCCS "Istituto Neurologico C. Besta" Foundation, Milan, Italy -
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Longatti P, Boaro A, Canova G, Fiorindi A. The subependymal microvascular network revealed by endoscopic fluorescence angiography. J Neurosurg Sci 2017; 64:347-352. [PMID: 29115098 DOI: 10.23736/s0390-5616.17.04098-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND The subependymal vascularization of the cerebral ventricles has been described in anatomical studies on human specimens. Its identification in vivo during neuroendoscopic navigation could have anatomical interest and may lead to a safer ventricular navigation, also avoiding unexpected bleeding. The traditional endoscopic visualization allows the certain identification of only the main vessels. In this study we describe the features of the subependymal vascular network (SEVN) enhanced by sodium fluorescein (SF) angiography. We compare these findings with the vascular patterns visible under white light to evaluate the sensitivity of this technique in unveiling the most distant branches of the SEVN. METHODS We reviewed the video records of 39 fluorescein-assisted neuroendoscopic procedures. Steerable fiberscopes equipped with a dual observation mode for both white light and fluorescence were used. After preliminary inspection of the ventricular cavities, the camera was switched to the blue light fluorescent mode. Identical portion of ventricular walls observed in both modalities were compared and analyzed to enhance potential differences of the vascular features. RESULTS The main veins were positive (fluorescein enhanced) in 10 patients (25.6%), vessels of smaller diameter visible also under white light presented a detectable fluorescence in 27 patients (69.2%), the micro SEVN, not visible under with light, was revealed by SF in 21 patients (53.8%). CONCLUSIONS Fluorescein-guided neuroendoscopy deserves closer investigation since it allows detection of small vessels, not otherwise visible, in the ventricle walls. This method could be applied to ameliorate the knowledge of the environment the surgeon is working on, leading as a result to a safer navigation, also by avoiding minor bleedings.
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Affiliation(s)
- Pierluigi Longatti
- Department of Neurosurgery, Hospital of Treviso, University of Padua, Padua, Italy
| | - Alessandro Boaro
- Department of Neurosurgery, Hospital of Treviso, University of Padua, Padua, Italy
| | - Giuseppe Canova
- Department of Neurosurgery, Hospital of Treviso, University of Padua, Padua, Italy
| | - Alessandro Fiorindi
- Department of Neurosurgery, Hospital of Treviso, University of Padua, Padua, Italy -
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