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Kırış T, Akçakaya MO. Comparison of intraoperative sodium fluorescein and indocyanine green videoangiography during intracranial aneurysm and arteriovenous malformation surgery. Clin Neurol Neurosurg 2024; 244:108414. [PMID: 39002271 DOI: 10.1016/j.clineuro.2024.108414] [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: 04/26/2024] [Revised: 06/13/2024] [Accepted: 06/28/2024] [Indexed: 07/15/2024]
Abstract
OBJECTIVE Indocyanine green (ICG) and sodium fluorescein (Na-Fl) are two fluorophores, which are used for videoangiography purposes. This prospective study reports our experience by using surgical microscopes equipped with two special filters. We compared the imaging efficacy of Na-FL and ICG videoangiography techniques during aneurysm and arteriovenous malformations (AVM) surgeries. PATIENT AND METHODS Fourtynine consecutive patients were operated between September 2015 and December 2022. Patients with ruptured/unruptured aneurysms or with AVMs presented with/without hemorrhage were included to the current study. RESULTS There were a total of 48 aneurysms and 11 AVMs in 49 patients in the current study. Na-Fl enables the surgeon to manipulate vessels and aneurysms real-time. ICG provides the ability to watch the videoangiography repeatedly and understand the angioarchitecture. The use of FLOW-800 module allows the surgeon to make concrete judgements about the flow dynamics of AVMs and therefore ICG videoangiography found useful in AVM surgery. Na-Fl has been found more useful for the evalution of the low caliber perforating arteries and anatomical features of the aneursym dome in aneurysm surgery. CONCLUSION The results of our series demonstrated the safety and efficacy of Na-Fl use in the surgery of aneurysms and AVMs. Both the ICG and Na-Fl videoangiographies are easy to perform and complimentary to each other. Combined use of these two mediums may provide better surgical results, considering the separate advantages and disadvantages of these both techniques.
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Affiliation(s)
- Talat Kırış
- Department of Neurosurgery, American Hospital, Istanbul, Turkey
| | - Mehmet Osman Akçakaya
- Department of Neurosurgery, Gayrettepe Florence Nightingale Hospital, Istanbul, Turkey.
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Alomari AA, Eid SS, Fraschetti F, Michelini S, Mastronardi L. Comparative Analysis on Vestibular Schwannoma Surgery with and without Intraoperative Fluorescein Sodium Enhancement. Brain Sci 2024; 14:571. [PMID: 38928571 PMCID: PMC11202183 DOI: 10.3390/brainsci14060571] [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: 05/14/2024] [Revised: 06/01/2024] [Accepted: 06/02/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Vestibular schwannoma (VS), also known as acoustic neuroma, is a benign, well-encapsulated, and slow-growing tumor that originates from Schwann cells, which form the myelin sheath around the vestibulocochlear nerve (VIII cranial nerve). The surgical treatment of this condition presents a challenging task for surgeons, as the tumor's location and size make it difficult to remove without causing damage to the surrounding structures. In recent years, fluorescein sodium (FS) has been proposed as a tool to enhance surgical outcomes in VS surgery. This essay will provide an analytical comparison of the use of FS in VS surgery, evaluating its benefits and limitations and comparing surgical outcomes with and without FS-assisted surgery. METHODS In a retrospective study conducted at San Filippo Neri Hospital, we examined VS cases that were operated on between January 2017 and December 2023. The patients were divided into two groups: group A, which consisted of patients who underwent surgery without the use of FS until January 2020 (102 cases), and group B, which included patients who underwent surgery with FS after January 2020 (55 cases). All operations were performed using the retrosigmoid approach, and tumor size was classified according to the Koos, et al. classification system. The extent of surgical removal was evaluated using both the intraoperative surgeon's opinion and postoperative MRI imaging. Preoperatively and postoperatively, facial nerve function and hearing were assessed. In group B, FS was used to assist the surgical procedures, which were performed using a surgical microscope equipped with an integrated fluorescein filter. Postoperative clinical and MRI controls were performed at six months and annually, with no patients lost to follow-up. RESULTS This study investigated the impact of intraoperative fluorescein exposure on tumor resection and clinical outcomes in patients with VS. The study found a statistically significant difference in the tumor resection rates between patients who received fluorescein intraoperatively (p = 0.037). Further analyses using the Koos classification system revealed a significant effect of fluorescein exposure, particularly in the Koos 3 subgroup (p = 0.001). Notably, no significant differences were observed in hearing loss or facial nerve function between the two groups. A Spearman correlation analysis revealed a positive correlation between tumor size and Koos, age, and size, but no significant correlation was found between facial nerve function tests. CONCLUSIONS FS-assisted surgery for VS may potentially enhance tumor resection, allowing for more comprehensive tumor removal.
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Affiliation(s)
- Amer A. Alomari
- Department of Neurosurgery, San Filippo Neri Hospital/ASLRoma1, 00135 Rome, Italy; (A.A.A.); (F.F.)
- Division of Neurosurgery, Department of Special Surgery, Faculty of Medicine, Mutah University, Al-Karak 61710, Jordan
| | - Sadeen Sameer Eid
- Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan;
| | - Flavia Fraschetti
- Department of Neurosurgery, San Filippo Neri Hospital/ASLRoma1, 00135 Rome, Italy; (A.A.A.); (F.F.)
| | - Silvia Michelini
- Department of Neurosurgery, University of Tor Vergata, 00133 Rome, Italy;
| | - Luciano Mastronardi
- Department of Neurosurgery, San Filippo Neri Hospital/ASLRoma1, 00135 Rome, Italy; (A.A.A.); (F.F.)
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Muhammad N, Ajmera S, Lee JYK. Intraoperative visualization of cranial nerve schwannomas using second-window indocyanine green: A case series. Clin Neurol Neurosurg 2024; 240:108241. [PMID: 38522224 DOI: 10.1016/j.clineuro.2024.108241] [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: 03/08/2024] [Accepted: 03/10/2024] [Indexed: 03/26/2024]
Abstract
BACKGROUND Second Window Indocyanine Green (SWIG) is a novel intraoperative imaging technique that uses near-infrared (NIR) light for intra-operative tumor visualization using the well-known fluorophore indocyanine green (ICG). Because schwannomas often incorporate the nerve into the encapsulated tumor and impinge on surrounding neural structures, SWIG is a promising technique to improve tumor resection while sparing the nerve. OBJECTIVE To demonstrate the use of SWIG in resection of cranial nerve schwannomas. METHODS Three patients with cranial nerve schwannomas (i.e., trigeminal, vestibular, and vagus) underwent SWIG-guided resection. During surgery, NIR visualization was used intermittently used to detect fluorescence to guide resection. Signal-to-background ratio was then calculated to quantify fluorescence. RESULTS Patients were infused with ICG at a dose of 5.0 mg/kg 24 hours before surgery. Each patient achieved total or near-total resection and relief of symptoms with lack of recurrence at six-month follow-up. The average SBR calculated was 3.79, comparable to values for SWIG-guided resection of other brain and spine tumors. CONCLUSION This case series is the first published report of trigeminal and vagus nerve schwannoma resection using the SWIG technique and suggests that SWIG may be used to detect all schwannomas, alongside many other types of brain tumor. This paper also demonstrates the importance of preoperative ICG infusion timing and discusses the inverse pattern of NIR signal that may be observed when infusion occurs outside of the optimal timing. This provides direction for future studies investigating the administration of SWIG to resect cranial nerve schwannomas and other brain tumors.
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Affiliation(s)
- Najib Muhammad
- Department of Neurosurgery, Hospital of the University of Pennsylvania, 801 Spruce St, Philadelphia, PA 19107, USA
| | - Sonia Ajmera
- Department of Neurosurgery, Hospital of the University of Pennsylvania, 801 Spruce St, Philadelphia, PA 19107, USA
| | - John Y K Lee
- Department of Neurosurgery, Hospital of the University of Pennsylvania, 801 Spruce St, Philadelphia, PA 19107, USA.
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Lim JX, Loh D, Tan L, Lee L. Use of fluorescein sodium to obtain histological diagnosis of primary Central nervous system lymphoma ghost tumour despite disappearance on intraoperative magnetic resonance imaging: technical note and review of the literature. Br J Neurosurg 2024; 38:244-248. [PMID: 33331187 DOI: 10.1080/02688697.2020.1859087] [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: 04/28/2020] [Revised: 11/19/2020] [Accepted: 11/30/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND AND IMPORTANCE Corticosteroid pre-treatment in patients with primary central nervous system lymphoma (PCNSL) can lead to the phenomenon of ghost tumours (GhT). This affects the diagnostic yield of biopsies and potentially causes misdiagnosis of the condition. The usual strategy of neuronavigation using preoperative magnetic resonance imaging (MRI) or localisation using intraoperative MRI (iMRI) can be rendered ineffective in this situation. CLINICAL PRESENTATION A middle-aged Chinese male with newly diagnosed human immunodeficiency virus infection was found to have an intracranial lesion suggestive of PCNSL. Preoperatively corticosteroid led to an attenuation of the contrast enhancing lesion on iMRI. However, intraoperative use of FS allowed the successful identification, biopsy and diagnosis of the condition. CONCLUSION FS is useful in the biopsy of PCNSL GhT even when the lesion is not seen in subsequent MRI imaging.
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Affiliation(s)
- Jia Xu Lim
- Neurosurgery, National Neuroscience Institute, Singapore, Singapore
| | - Daniel Loh
- Neurosurgery, National Neuroscience Institute, Singapore, Singapore
| | - Leanne Tan
- Neurosurgery, National Neuroscience Institute, Singapore, Singapore
| | - Lester Lee
- Neurosurgery, National Neuroscience Institute, Singapore, Singapore
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Huang CY, Li JC, Chen KT, Lin YJ, Feng LY, Liu HL, Wei KC. Evaluation the Effect of Sonodynamic Therapy with 5-Aminolevulinic Acid and Sodium Fluorescein by Preclinical Animal Study. Cancers (Basel) 2024; 16:253. [PMID: 38254744 PMCID: PMC10813429 DOI: 10.3390/cancers16020253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/12/2023] [Accepted: 12/29/2023] [Indexed: 01/24/2024] Open
Abstract
Sonodynamic therapy (SDT) is a novel tumor treatment that combines biosafe sonosensitizers and noninvasive focused ultrasound to eradicate solid tumors. Sonosensitizers such as 5-aminolevulinic acid and fluorescein have great potential in tumor treatment. Here, rodent subcutaneous and brain tumor models were used to evaluate the treatment effect of both 5-ALA- and fluorescein-mediated SDT. The subcutaneous tumor growth rates of both SDT groups were significantly inhibited compared with that of the control groups. For intracranial tumors, 5-ALA-SDT treatment significantly inhibited brain tumor growth, while fluorescein-SDT exerted no therapeutic effect in animals. The distribution of fluorescein in the brain tumor region underwent further assessment. Seven days post tumor implantation, experimental animals received fluorescein and were sacrificed for brain specimen collection. Analysis of the dissected brains revealed no fluorescence signals, indicating an absence of fluorescein accumulation in the early-stage glioma tissue. These data suggest that the fluorescein-SDT treatment response is closely related to the amount of accumulated fluorescein. This study reports the equivalent effects of 5-ALA and fluorescein on the treatment of somatic tumors. For orthotopic brain tumor models, tumor vascular permeability should be considered when choosing fluorescein as a sonosensitizer. In conclusion, both fluorescein and 5-ALA are safe and effective SDT sonosensitizers, and the tumor microenvironment and pathologic type should be considered in the selection of adequate sonosensitizers.
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Affiliation(s)
- Chiung-Yin Huang
- Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-C.L.); (K.-T.C.); (Y.-J.L.); (L.-Y.F.)
| | - Jui-Chin Li
- Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-C.L.); (K.-T.C.); (Y.-J.L.); (L.-Y.F.)
- Department of Neurosurgery, New Taipei Municipal TuCheng Hospital, New Taipei 236017, Taiwan
| | - Ko-Ting Chen
- Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-C.L.); (K.-T.C.); (Y.-J.L.); (L.-Y.F.)
- Department of Neurosurgery, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- School of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Ya-Jui Lin
- Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-C.L.); (K.-T.C.); (Y.-J.L.); (L.-Y.F.)
- Department of Neurosurgery, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- Division of Natural Product, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan 33302, Taiwan
| | - Li-Ying Feng
- Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-C.L.); (K.-T.C.); (Y.-J.L.); (L.-Y.F.)
- Department of Neurosurgery, New Taipei Municipal TuCheng Hospital, New Taipei 236017, Taiwan
| | - Hao-Li Liu
- Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Kuo-Chen Wei
- Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-C.L.); (K.-T.C.); (Y.-J.L.); (L.-Y.F.)
- Department of Neurosurgery, New Taipei Municipal TuCheng Hospital, New Taipei 236017, Taiwan
- Department of Neurosurgery, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- School of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
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Albalkhi I, Shafqat A, Bin-Alamer O, Abou Al-Shaar AR, Mallela AN, Fernández-de Thomas RJ, Zinn PO, Gerszten PC, Hadjipanayis CG, Abou-Al-Shaar H. Fluorescence-guided resection of intradural spinal tumors: a systematic review and meta-analysis. Neurosurg Rev 2023; 47:10. [PMID: 38085385 DOI: 10.1007/s10143-023-02230-x] [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: 10/11/2023] [Revised: 11/13/2023] [Accepted: 11/25/2023] [Indexed: 12/18/2023]
Abstract
Intradural spinal tumors present significant challenges due to involvement of critical motor and sensory tracts. Achieving maximal resection while preserving functional tissue is therefore crucial. Fluorescence-guided surgery aims to improve resection accuracy and is well studied for brain tumors, but its efficacy has not been fully assessed for spinal tumors. This meta-analysis aims to delineate the efficacy of fluorescence guidance in intradural spinal tumor resection. The authors performed a systematic review in four databases. We included studies that have utilized fluorescence agents, 5-aminolevulinic acid (5-ALA) or sodium fluorescein, for the resection of intradural spinal tumors. A meta-analysis was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. A total of 12 studies involving 552 patients undergoing fluorescence-guided intradural spinal tumor resection were included. Meningiomas demonstrated a 98% fluorescence rate and were associated with a homogenous florescence pattern; however, astrocytomas had variable fluorescence rate with pooled proportion of 70%. There was no significant difference in gross total resection (GTR) rates between fluorescein and 5-ALA (94% vs 84%, p = .22). Pre-operative contrast enhancement was significantly associated with intraoperative fluorescence with fluorescein. Intramedullary tumors with positive intraoperative fluorescence were significantly associated with higher GTR rates (96% vs 73%, p = .03). Utilizing fluorescence guidance during intradural spinal tumor resection holds promise of improving intraoperative visualization for specific intradural spinal tumors. Meningiomas and ependymomas have the highest fluorescence rates especially with sodium fluorescein; on the other hand, astrocytomas have variable fluorescence rates with no superiority of either agent. Positive fluorescence of intramedullary tumors is associated with a higher degree of resection.
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Affiliation(s)
- Ibrahem Albalkhi
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Department of Neuroradiology, Great Ormond Street Hospital NHS Foundation Trust, London, UK
| | - Areez Shafqat
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Othman Bin-Alamer
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | | | - Arka N Mallela
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | | | - Pascal O Zinn
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Peter C Gerszten
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | | | - Hussam Abou-Al-Shaar
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
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Belykh E, Bardonova L, Abramov I, Byvaltsev VA, Kerymbayev T, Yu K, Healey DR, Luna-Melendez E, Deneen B, Mehta S, Liu JK, Preul MC. 5-aminolevulinic acid, fluorescein sodium, and indocyanine green for glioma margin detection: analysis of operating wide-field and confocal microscopy in glioma models of various grades. Front Oncol 2023; 13:1156812. [PMID: 37287908 PMCID: PMC10242067 DOI: 10.3389/fonc.2023.1156812] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 04/28/2023] [Indexed: 06/09/2023] Open
Abstract
Introduction Surgical resection remains the first-line treatment for gliomas. Several fluorescent dyes are currently in use to augment intraoperative tumor visualization, but information on their comparative effectiveness is lacking. We performed systematic assessment of fluorescein sodium (FNa), 5-aminolevulinic acid (5-ALA)-induced protoporphyrin IX (PpIX), and indocyanine green (ICG) fluorescence in various glioma models using advanced fluorescence imaging techniques. Methods Four glioma models were used: GL261 (high-grade model), GB3 (low-grade model), and an in utero electroporation model with and without red fluorescence protein (IUE +RFP and IUE -RFP, respectively) (intermediate-to-low-grade model). Animals underwent 5-ALA, FNa, and ICG injections and craniectomy. Brain tissue samples underwent fluorescent imaging using a wide-field operative microscope and a benchtop confocal microscope and were submitted for histologic analysis. Results Our systematic analysis showed that wide-field imaging of highly malignant gliomas is equally efficient with 5-ALA, FNa, and ICG, although FNa is associated with more false-positive staining of the normal brain. In low-grade gliomas, wide-field imaging cannot detect ICG staining, can detect FNa in only 50% of specimens, and is not sensitive enough for PpIX detection. With confocal imaging of low-intermediate grade glioma models, PpIX outperformed FNa. Discussion Overall, compared to wide-field imaging, confocal microscopy significantly improved diagnostic accuracy and was better at detecting low concentrations of PpIX and FNa, resulting in improved tumor delineation. Neither PpIX, FNa, nor ICG delineated all tumor boundaries in studied tumor models, which emphasizes the need for novel visualization technologies and molecular probes to guide glioma resection. Simultaneous administration of 5-ALA and FNa with use of cellular-resolution imaging modalities may provide additional information for margin detection and may facilitate maximal glioma resection.
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Affiliation(s)
- Evgenii Belykh
- The Loyal and Edith Davis Neurosurgical Research Laboratory, Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
- Department of Neurosurgery, New Jersey Medical School, Rutgers University, Newark, NJ, United States
| | - Liudmila Bardonova
- The Loyal and Edith Davis Neurosurgical Research Laboratory, Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Irakliy Abramov
- The Loyal and Edith Davis Neurosurgical Research Laboratory, Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Vadim A. Byvaltsev
- Department of Neurosurgery, Irkutsk State Medical University, Irkutsk, Russia
| | - Talgat Kerymbayev
- Department of Neurosurgery, JSC “National Scientific Center of Neurosurgery”, Nur-Sultan, Kazakhstan
| | - Kwanha Yu
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, United States
| | - Debbie R. Healey
- Department of Research Imaging, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | | | - Benjamin Deneen
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, United States
| | - Shwetal Mehta
- Ivy Brain Tumor Research Center, Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - James K. Liu
- Department of Neurosurgery, New Jersey Medical School, Rutgers University, Newark, NJ, United States
| | - Mark C. Preul
- The Loyal and Edith Davis Neurosurgical Research Laboratory, Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
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Intraoperative Fluorescein Sodium in Pediatric Neurosurgery: A Preliminary Case Series from a Singapore Children’s Hospital. NEUROSCI 2023. [DOI: 10.3390/neurosci4010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
(1) Background: Fluorescein sodium (Na-Fl) has been described as a safe and useful neurosurgical adjunct in adult neurooncology. However, its use has yet to be fully established in children. We designed a study to investigate the use of intraoperative Na-Fl in pediatric brain tumor surgery. (2) Methods: This is a single-institution study for pediatric brain tumor patients managed by the Neurosurgical Service, KK Women’s and Children’s Hospital. Inclusion criteria consists of patients undergoing surgery for suspected brain tumors from 3 to 19 years old. A predefined intravenous dose of 2 mg/kg of 10% Na-Fl is administered per patient. Following craniotomy, surgery is performed under alternating white light and YELLOW-560 nm filter illumination. (3) Results: A total of 21 patients with suspected brain tumours were included. Median age was 12.1 years old. For three patients (14.3%), there was no significant Na-Fl fluorescence detected and their final histologies reported a cavernoma and two radiation-induced high grade gliomas. The remaining patients (85.7%) had adequate intraoperative fluorescence for their lesions. No adverse side effects were encountered with the use of Na-Fl. (4) Conclusions: Preliminary findings demonstrate the safe and efficacious use of intraoperative Na-Fl for brain tumors as a neurosurgical adjunct in our pediatric patients.
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Singh DK, Khan KA, Singh AK, Kaif M, Yadav K, Kumar Singh R, Ahmad F. Fluorescein sodium fluorescence: role in stereotactic brain biopsy. Br J Neurosurg 2023; 37:82-85. [PMID: 34927514 DOI: 10.1080/02688697.2021.2016615] [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] [Indexed: 10/19/2022]
Abstract
BACKGROUND Stereotactic brain biopsy for eloquent area brain tumours is associated with complications like hemorrhage due to multiple sampling and increased operative time due to dependence on neuropathologist for frozen section assessment. In order to curb these limitations, we investigated the use of Fluorescein sodium fluorescence in confirming pathological tissue samples in stereotactic brain biopsy of gadolinium-enhancing tumours. METHODS This prospective observational study included 23 consecutive patients who underwent stereotactic biopsy of gadolinium-contrast-enhancing brain lesions with intravenous fluorescein sodium administration. 93 specimens were obtained and examined for the presence of fluorescence using a microscope with fluorescence visualisation capability. Later the nature of the samples was confirmed on histopathology. The sensitivity and specificity of flourescein sodium fluorescence were calculated based on histopathological confirmation. RESULTS 58 (62.3%) fluorescent and 35 (37.6%) nonfluorescent samples were obtained. All fluorescent specimens contained diagnostic tissue appropriate for tumor grading. Of 35 nonfluorescent specimens, 12 (34.3%) did not contain tumor, 11 (31.4%) contained minor hypercellularity or gliosis, and 12 (34.3%) contained tumor with a high proportion of necrosis. The sensitivity and specificity for fluorescein fluorescence were 83% and 100%, respectively. CONCLUSIONS Fluorescein fluorescence is a handy tool to detect the pathological tissue in stereotactic brain biopsy and may improve its diagnostic accuracy and expedite the procedure.
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Affiliation(s)
- Deepak Kumar Singh
- Department Of Neurosurgery, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
| | - Khursheed Alam Khan
- Department Of Neurosurgery, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
| | - Arun Kumar Singh
- Department Of Neurosurgery, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
| | - Mohammad Kaif
- Department Of Neurosurgery, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
| | - Kuldeep Yadav
- Department Of Neurosurgery, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
| | - Rakesh Kumar Singh
- Department Of Neurosurgery, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
| | - Faran Ahmad
- Department Of Neurosurgery, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India
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Zhang M, Xiao X, Gu G, Zhang P, Wu W, Wang Y, Pan C, Wang L, Li H, Wu Z, Zhang J, Zhang L. Role of neuronavigation in the surgical management of brainstem gliomas. Front Oncol 2023; 13:1159230. [PMID: 37205194 PMCID: PMC10185888 DOI: 10.3389/fonc.2023.1159230] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 03/20/2023] [Indexed: 05/21/2023] Open
Abstract
Objective NeuroNavigation (NN) is a widely used intraoperative imaging guidance technique in neurosurgical operations; however, its value in brainstem glioma (BSG) surgery is inadequately reported and lacks objective proof. This study aims to investigate the applicational value of NN in BSG surgery. Method A retrospective analysis was performed on 155 patients with brainstem gliomas who received craniotomy from May 2019 to January 2022 at Beijing Tiantan Hospital. Eighty-four (54.2%) patients received surgery with NN. Preoperative and postoperative cranial nerve dysfunctions, muscle strength, and Karnofsky (KPS) were evaluated. Patients' radiological features, tumor volume, and extent of resection (EOR) were obtained from conventional MRI data. Patients' follow-up data were also collected. Comparative analyses on these variables were made between the NN group and the non-NN group. Result The usage of NN is independently related to a higher EOR in diffuse intrinsic pontine glioma (DIPG) (p=0.005) and non-DIPG group (p<0.001). It was observed that fewer patients in the NN group suffered from deterioration of KPS (p=0.032) and cranial nerve function (p=0.017) in non-DIPG group, and deterioration of muscle strength (p=0.040) and cranial nerve function (p=0.038) in DIPG group. Moreover, the usage of NN is an independent protective factor for the deterioration of KPS (p=0.04) and cranial nerve function (p=0.026) in non-DIPG patients and the deterioration of muscle strength (p=0.009) in DIPG patients. Furthermore, higher EOR subgroups were found to be independently related to better prognoses in DIPG patients (p=0.008). Conclusion NN has significant value in BSG surgery. With the assistance of NN, BSG surgery achieved higher EOR without deteriorating patients' functions. In addition, DIPG patients may benefit from the appropriate increase of EOR.
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Affiliation(s)
- Mingxin Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiong Xiao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guocan Gu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Peng Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wenhao Wu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yu Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Changcun Pan
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Liang Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Huan Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhen Wu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Junting Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Liwei Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Liwei Zhang,
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Schebesch KM, Höhne J, Rosengarth K, Noeva E, Schmidt NO, Proescholdt M. Fluorescein-guided resection of newly diagnosed high-grade glioma: Impact on extent of resection and outcome. BRAIN & SPINE 2022; 2:101690. [PMID: 36506293 PMCID: PMC9729812 DOI: 10.1016/j.bas.2022.101690] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 10/18/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022]
Abstract
Introduction Maximal resection of high-grade glioma (HGG) improves progression-free survival (PFS) and overall survival (OS). Fluorescein sodium (FL) in combination with the YELLOW 560 nm filter (Carl Zeiss Meditec, Germany) is a safe and feasible method of visualizing residual tumor tissue during brain tumor resection. Research question We hypothesized that use of FL positively influenced the volumetric extent of resection (EOR), PFS, and OS in patients undergoing resection of a newly diagnosed HGG. Materials and method Using a prospective HGG registry, we identified 347 patients (median age 62.4 years; 141 women) with preoperative high-quality magnetic resonance images for volumetric analysis. Resection was performed under white light in n = 151 (43.5%, white-light group) and under FL-guidance in n = 196 (56.5%, FL group). Sex, age, presurgical Karnofsky Performance Index (KPI), O6-Methylguanin-DNA-Methyltransferase-Gene (MGMT) status, and adjuvant treatment modalities were well balanced between the groups. Volumetric analysis was performed by quantifying pre- and postoperative tumor volume based on gadolinium-enhanced T1 sequences in a blinded fashion. Results In the FL group, postoperative tumor volume was significantly smaller (p = 0.003); accordingly, quantitative EOR was significantly larger (p = 0.003). Significantly more complete resections were achieved in the FL group than in the white-light group (p = 0.003). The FL group showed significantly longer PFS (p = 0.020) and OS (p = 0.015, log rank testing). Multivariate Cox regression modelling showed age, presurgical KPI, MGMT status, and FL-guided resection to be independent prognostic factors for survival. Discussion and conclusion Compared to white-light resection, FL-guided resection of newly diagnosed HGG significantly improved EOR and prolonged OS.
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Affiliation(s)
- Karl-Michael Schebesch
- Department of Neurosurgery, University Medical Center Regensburg, Regensburg, Germany,Wilhelm-Sander Neuro-Oncology Unit, University Medical Center Regensburg, Regensburg, Germany,Corresponding author. Department of Neurosurgery, University Medical Center Regensburg, Franz-Josef-Strauss Allee 11, 93053, Regensburg, Germany.
| | - Julius Höhne
- Department of Neurosurgery, University Medical Center Regensburg, Regensburg, Germany,Wilhelm-Sander Neuro-Oncology Unit, University Medical Center Regensburg, Regensburg, Germany
| | - Katharina Rosengarth
- Department of Neurosurgery, University Medical Center Regensburg, Regensburg, Germany,Wilhelm-Sander Neuro-Oncology Unit, University Medical Center Regensburg, Regensburg, Germany
| | - Ekaterina Noeva
- Neuroradiology Branch, Department of Radiology, University Medical Center Regensburg, Regensburg, Germany
| | - Nils Ole Schmidt
- Department of Neurosurgery, University Medical Center Regensburg, Regensburg, Germany,Wilhelm-Sander Neuro-Oncology Unit, University Medical Center Regensburg, Regensburg, Germany
| | - Martin Proescholdt
- Department of Neurosurgery, University Medical Center Regensburg, Regensburg, Germany,Wilhelm-Sander Neuro-Oncology Unit, University Medical Center Regensburg, Regensburg, Germany
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12
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Restelli F, Mathis AM, Höhne J, Mazzapicchi E, Acerbi F, Pollo B, Quint K. Confocal laser imaging in neurosurgery: A comprehensive review of sodium fluorescein-based CONVIVO preclinical and clinical applications. Front Oncol 2022; 12:998384. [PMID: 36263218 PMCID: PMC9574261 DOI: 10.3389/fonc.2022.998384] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 09/08/2022] [Indexed: 11/13/2022] Open
Abstract
Given the established direct correlation that exists among extent of resection and postoperative survival in brain tumors, obtaining complete resections is of primary importance. Apart from the various technological advancements that have been introduced in current clinical practice, histopathological study still remains the gold-standard for definitive diagnosis. Frozen section analysis still represents the most rapid and used intraoperative histopathological method that allows for an intraoperative differential diagnosis. Nevertheless, such technique owes some intrinsic limitations that limit its overall potential in obtaining real-time diagnosis during surgery. In this context, confocal laser technology has been suggested as a promising method to have near real-time intraoperative histological images in neurosurgery, thanks to the results of various studies performed in other non-neurosurgical fields. Still far to be routinely implemented in current neurosurgical practice, pertinent literature is growing quickly, and various reports have recently demonstrated the utility of this technology in both preclinical and clinical settings in identifying brain tumors, microvasculature, and tumor margins, when coupled to the intravenous administration of sodium fluorescein. Specifically in neurosurgery, among different available devices, the ZEISS CONVIVO system probably boasts the most recent and largest number of experimental studies assessing its usefulness, which has been confirmed for identifying brain tumors, offering a diagnosis and distinguishing between healthy and pathologic tissue, and studying brain vessels. The main objective of this systematic review is to present a state-of-the-art summary on sodium fluorescein-based preclinical and clinical applications of the ZEISS CONVIVO in neurosurgery.
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Affiliation(s)
- Francesco Restelli
- Department of Neurosurgery, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Andrea Maria Mathis
- Department of Neurosurgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Julius Höhne
- Department of Neurosurgery, Universitätsklinikum, Regensburg, Germany
| | - Elio Mazzapicchi
- Department of Neurosurgery, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Francesco Acerbi
- Department of Neurosurgery, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
- *Correspondence: Francesco Acerbi,
| | - Bianca Pollo
- Department of Neuropathology, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
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13
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Chen ZH, Zhang XH, Lin FH, Li C, Jin JT, Zhou ZH, Zhu SH, Cheng ZQ, Zhong S, He ZQ, Duan H, Wen X, Wang J, Mou YG. The application of fluorescein sodium for the resection of medulloblastoma. J Neurooncol 2022; 158:463-470. [PMID: 35657459 PMCID: PMC9256568 DOI: 10.1007/s11060-022-04035-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 05/11/2022] [Indexed: 11/26/2022]
Abstract
Introduction Surgical resection of medulloblastoma (MB) remains a challenge. At present, a variety of tracers have been used for intraoperative tumor visualization. However, there are few reports on the intraoperative visualization of MB. Hence, we reported our experience of applying fluorescein sodium (FS) in MB surgery. Methods We retrospectively analyzed the clinical information of patients with MB confirmed by surgery and pathology from January 2016 to December 2020 from Sun Yat-sen University Cancer Center. A total of 62 patients were enrolled, of which 27 received intraoperative FS and 35 did not. The intraoperative dose of FS was 3 mg/kg. Results Among the 62 patients, 42 were males, and twenty were females. The age of onset in the FS group was 9.588 ± 7.322, which in the non-fluorescein sodium group was 13.469 ± 10.968, p = 0.198. We did not find significant differences in tumor location, tumor size, tumor resection, tumor histology, and preoperative symptoms (hydrocephalus, headache, vomit, balance disorder) between the groups. There was no significant difference in the postoperative symptoms (hydrocephalus, headache, vomiting, balance disorder, and cerebellar mutism). However, patients in the FS group had a relatively low incidence of balance disorder and cerebellar mutism. There was definite fluorescence of tumor in all cases of the FS group, and even the tiny metastatic lesion was visible. No case had side effects related to the use of FS. Conclusions FS is safe and effective in MB surgery. Whether the application of FS for surgery can reduce complications remains to be studied in the future.
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Affiliation(s)
- Zheng-he Chen
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Xiang-heng Zhang
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Fu-hua Lin
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Chang Li
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Jie-tian Jin
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, 510060 People’s Republic of China
| | - Zhi-huan Zhou
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Si-han Zhu
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Zhu-qing Cheng
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Sheng Zhong
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Zhen-qiang He
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Hao Duan
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Xia Wen
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Jian Wang
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
| | - Yong-gao Mou
- Department of Neurosurgery, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Yuexiu District, Guangzhou, 510060 People’s Republic of China
- State Key Laboratory of Oncology in South China, Guangzhou, 510060 People’s Republic of China
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060 People’s Republic of China
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14
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Vergeer RA, Theunissen REP, van Elk T, Schmidt I, Postma MR, Tamasi K, van Dijk JMC, Kuijlen JMA. Fluorescence-guided detection of pituitary neuroendocrine tumor (PitNET) tissue during endoscopic transsphenoidal surgery available agents, their potential, and technical aspects. Rev Endocr Metab Disord 2022; 23:647-657. [PMID: 35344185 PMCID: PMC9156450 DOI: 10.1007/s11154-022-09718-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/03/2022] [Indexed: 10/29/2022]
Abstract
Differentiation of pituitary neuroendocrine tumor (PitNET) tissue from surrounding normal tissue during surgery is challenging. A number of fluorescent agents is available for visualization of tissue discrepancy, with the potential of improving total tumor resection. This review evaluates the availability, clinical and technical applicability of the various fluorescent agents within the field of pituitary surgery. According to PRISMA guidelines, a systematic review was performed to identify reports describing results of in vivo application of fluorescent agents. In this review, 15 publications were included. Sodium Fluorescein (FNa) was considered in two studies. The first study reported noticeable fluorescence in adenoma tissue, the second demonstrated the strongest fluorescence in non-functioning pituitary adenomas. 5-Aminolevulinic acid (5-ALA) was investigated in three studies. One study compared laser-based optical biopsy system (OBS) with photo-diagnostic filter (PD) and found that the OBS was able to detect all microadenomas, even when MRI was negative. The second study retrospectively analyzed twelve pituitary adenomas and found only one positive for fluorescence. The third investigated fifteen pituitary adenomas of which one displayed vague fluorescence. Indocyanine green (ICG) was researched in four studies with variable results. Second-Window ICG yielded no significant difference between functioning and non-functioning adenomas in one study, while a second study displayed 4 times higher fluorescence in tumor tissue than in normal tissue. In three studies, OTL38 showed potential in non-functioning pituitary adenomas. At present, evidence for fluorescent agents to benefit total resection of PitNETs is lacking. OTL38 can potentially serve as a selective fluorescent agent in non-functioning pituitary adenomas in the near future.
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Affiliation(s)
- Rob A Vergeer
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Robin E P Theunissen
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Theodora van Elk
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Iris Schmidt
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Mark R Postma
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Katalin Tamasi
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - J Marc C van Dijk
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jos M A Kuijlen
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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15
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Hama S, Yokoi T, Okada M, Uemura T, Takamatsu K, Nakamura H. Microvascular neural blood flow assessment for a chronic nerve compression neuropathy mouse model by fluorescein angiography. Neurol Res 2022; 44:937-945. [DOI: 10.1080/01616412.2022.2072101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Shunpei Hama
- Department of Orthopaedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Takuya Yokoi
- Department of Orthopaedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
- Department of Orthopaedic Surgery, Seikeikai Hospital, Osaka, Japan
| | - Mitsuhiro Okada
- Department of Orthopaedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Takuya Uemura
- Department of Orthopaedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
- Department of Orthopaedic Surgery, Osaka General Hospital of West Japan Railway Company, Osaka, Japan
| | - Kiyohito Takamatsu
- Department of Orthopaedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
- Department of Orthopaedic Surgery, Yodogawa Christian Hospital, Osaka, Japan
| | - Hiroaki Nakamura
- Department of Orthopaedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
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16
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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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17
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Gaitan B, Frankel L, Vig S, Oskoui E, Adwan M, Chen Y, Elespuru R, Huang HC, Pfefer TJ. Quantifying the Photochemical Damage Potential of Contrast-Enhanced Fluorescence Imaging Products: Singlet Oxygen Production. Photochem Photobiol 2022; 98:736-747. [PMID: 35442536 PMCID: PMC9540578 DOI: 10.1111/php.13638] [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: 12/29/2021] [Revised: 03/17/2022] [Accepted: 04/11/2022] [Indexed: 11/30/2022]
Abstract
The benefits of contrast‐enhancing imaging probes have become apparent over the past decade. However, there is a gap in the literature when it comes to the assessment of the phototoxic potential of imaging probes and systems emitting visible and/or near‐infrared radiation. The primary mechanism of fluorescent agent phototoxicity is thought to involve the production of reactive molecular species (RMS), yet little has been published on the best practices for safety evaluation of RMS production levels for clinical products. We have proposed methods involving a cell‐free assay to quantify singlet oxygen [(SO) a known RMS] generation of imaging probes, and performed testing of Indocyanine Green (ICG), Proflavine, Methylene Blue, IR700 and IR800 at clinically relevant concentrations and radiant exposures. Results indicated that SO production from IR800 and ICG were more than two orders of magnitude below that of the known SO generator Rose Bengal. Methylene Blue and IR700 produced much higher SO levels than ICG and IR800. These results were in good agreement with data from the literature. While agents that exhibit spectral overlap with the assay may be more prone to errors, our tests for one of these agents (Proflavine) appeared robust. Overall, our results indicate that this methodology shows promise for assessing the phototoxic potential of fluorophores due to SO production.
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Affiliation(s)
- Brandon Gaitan
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - Lucas Frankel
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - Shruti Vig
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - Ellen Oskoui
- Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, MD, USA
| | - Miriam Adwan
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - Yu Chen
- Department of Biomedical Engineering, University of Massachusetts-Amherst, Amherst, MA, USA
| | - Rosalie Elespuru
- Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, MD, USA
| | - Huang Chiao Huang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - T Joshua Pfefer
- Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, MD, USA
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18
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Application of sodium fluorescein for spinal cord lesions: intraoperative localization for tissue biopsy and surgical resection. Neurosurg Rev 2022; 45:1563-1569. [PMID: 34708272 DOI: 10.1007/s10143-021-01676-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/16/2021] [Accepted: 10/17/2021] [Indexed: 02/02/2023]
Abstract
Sodium fluorescein (NaFL) has been used to aid in the resection of primary and secondary lesions within the brain. Comparatively, there is limited research on clinical applications for lesions within the spinal cord. Fluorescein-guided microsurgery may increase the ability to localize and safely surgically treat spinal lesions. Twelve patients with spinal cord lesions received fluorescein sodium 10% (Alcon Laboratories INC, Fort Worth, TX, USA) at 3 mg/kg prior to surgical resection. Intraoperative visualization of fluorescence was performed using a Zeiss Pentero (Carl Zeiss AG, Oberkochen, Germany) microscope equipped with a Yellow560 filter or a Leica OH6 (Leica Microsystems, Wetzlar, Germany) equipped with a FL560 filter. Administration of NaFL resulted in lesional fluorescent contrast extravasation and facilitated surgical resection and localization in all twelve patients. In patients with a goal of complete resection, NaFL aided in complete resection of the spinal lesions in seven patients. In surgical resection patients, pathology was consistent with WHO grade I myxopapillary ependymoma in one patient, WHO grade II ependymoma in five patients, and nerve sheath tumor in one patient. In the other five patients, NaFL allowed for intraoperative tissue identification and successful tissue biopsy. In patients undergoing biopsy, tissue samples were positive for an intramedullary abscess, EBV-driven lymphoproliferative disease, and primary glial neoplasms. Fluorescein is a helpful microsurgical tool in guiding surgical resection and in the localization of intramedullary spinal lesions. Further research is necessary to explore fluorescein sodium applications in the resection of spinal cord lesions.
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19
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Sun Z, Yuan D, Sun Y, Guo Y, Wang G, Zhang P, Wang J, Shi W, Wang G. Intraoperative application of yellow fluorescence in resection of intramedullary spinal canal ependymoma. J Int Med Res 2022; 50:3000605221082889. [PMID: 35313772 PMCID: PMC8943562 DOI: 10.1177/03000605221082889] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Spinal ependymoma is the most common intramedullary tumor in adults. This study was performed to evaluate whether intraoperative yellow fluorescence use enhances our ability to identify the tumor margin and residual tumor tissue in intramedullary spinal cord ependymoma resection. We also evaluated patients' clinical conditions at a 3-month follow-up. METHODS We retrospectively evaluated 56 patients with intramedullary ependymoma. Thirty minutes before anesthesia, the patients received intravenous sodium fluorescein injections. Tumor resection was performed under two illumination modes, traditional white light and yellow fluorescence, and the residual tumor tissue was detected. Magnetic resonance imaging was performed 3 months postoperatively to observe the tumor resection outcome and residual tumor tissue. The McCormick spinal cord function grade was evaluated preoperatively and 3 months postoperatively. RESULTS The total resection rate was 100.0% in all patients. Nine patients had no significant fluorescence imaging. After 3 months, patients with a spinal function grade of I to IV showed significant spinal function improvement. Magnetic resonance imaging showed no residual tumor tissue or recurrence. CONCLUSION Sodium fluorescein aids in total excision of intramedullary spinal cord ependymoma and intraoperative residual tumor tissue identification. At the 3-month follow-up, the patients' functional outcome in the fluorescein group was good.
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Affiliation(s)
- Zhenxing Sun
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - Dan Yuan
- Department of Nephrology, Beijing Luhe Hospital, 12517Capital Medical University, Capital Medical University, Beijing 101149, P.R. China
| | - Yaxing Sun
- Department of Psychiatry, Zaozhuang Mental Health Center, Zaozhuang, Shandong 277103, P.R. China
| | - Yi Guo
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - Guoqin Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - Peihai Zhang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - James Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - Wei Shi
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - Guihuai Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
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20
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Naik A, Smith EJ, Barreau A, Nyaeme M, Cramer SW, Najafali D, Krist DT, Arnold PM, Hassaneen W. Comparison of fluorescein sodium, 5-ALA, and intraoperative MRI for resection of high-grade gliomas: A systematic review and network meta-analysis. J Clin Neurosci 2022; 98:240-247. [PMID: 35219089 DOI: 10.1016/j.jocn.2022.02.028] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/08/2022] [Accepted: 02/17/2022] [Indexed: 12/31/2022]
Abstract
High grade gliomas (HGGs) are aggressive brain tumors associated with poor prognosis despite advances in surgical treatment and therapy. Navigated tumor resection has yielded improved outcomes for patients. We compare 5-ALA, fluorescein sodium (FS), and intraoperative MRI (IMRI) with no image guidance to determine the best intraoperative navigation method to maximize rates of gross total resection (GTR) and outcomes. A frequentist network meta-analysis was performed following standard PRISMA guidelines (PROSPERO registration CRD42021268659). Surface-under-the-cumulative ranking (SUCRA) analysis was executed to hierarchically rank modalities by the outcomes of interest. Heterogeneity was measured by the I2 statistic. Publication bias was assessed by funnel plots and the use of Egger's test. Statistical significance was determined by p < 0.05. Twenty-three studies were included for analysis with a total of 2,643 patients. Network meta-analysis comparing 5-ALA, IMRI, and FS was performed. The primary outcome assessed was the rate of GTR. Analysis revealed the superiority of all intraoperative navigation to control (no navigation). SUCRA analysis revealed the superiority of IMRI + 5-ALA, IMRI alone, followed by FS, and 5-ALA. Overall survival (OS) and progression free survival (PFS) were also examined. FS (vs. control) was associated with improved OS, while IMRI was associated with improved PFS (vs. control, FS, and 5-ALA). Intraoperative navigation using IMRI, FS, and 5-ALA lead to greater rates of GTR in HGGs. FS and 5-ALA also yielded improvement in OS and PFS. Further studies are needed to evaluate differences in survival benefit, operative duration, and cost.
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Affiliation(s)
- Anant Naik
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Emily J Smith
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Ariana Barreau
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Mark Nyaeme
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Samuel W Cramer
- Department of Neurosurgery, University of Minnesota Twin-Cities, Minneapolis MN, 55455, United States
| | - Daniel Najafali
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - David T Krist
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States
| | - Paul M Arnold
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States; Department of Neurosurgery, Carle Foundation Hospital, Urbana IL 61801, United States
| | - Wael Hassaneen
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL 61820, United States; Department of Neurosurgery, Carle Foundation Hospital, Urbana IL 61801, United States.
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21
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Ahrens LC, Krabbenhøft MG, Hansen RW, Mikic N, Pedersen CB, Poulsen FR, Korshoej AR. Effect of 5-Aminolevulinic Acid and Sodium Fluorescein on the Extent of Resection in High-Grade Gliomas and Brain Metastasis. Cancers (Basel) 2022; 14:cancers14030617. [PMID: 35158885 PMCID: PMC8833379 DOI: 10.3390/cancers14030617] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/20/2022] [Accepted: 01/24/2022] [Indexed: 12/26/2022] Open
Abstract
Surgery is essential in the treatment of high-grade gliomas (HGG) and gross total resection (GTR) is known to increase the overall survival and progression-free survival. Several studies have shown that fluorescence-guided surgery with 5-aminolevulinic acid (5-ALA) increases GTR considerably compared to white light surgery (65% vs. 36%). In recent years, sodium fluorescein (SF) has become an increasingly popular agent for fluorescence-guided surgery due to numerous utility benefits compared to 5-ALA, including lower cost, non-toxicity, easy administration during surgery and a wide indication range covering all contrast-enhancing lesions with disruption of the blood-brain barrier in the CNS. However, currently, SF is an off-label agent and the level of evidence for use in HGG surgery is inferior compared to 5-ALA. Here, we give an update and review the latest literature on fluorescence-guided surgery with 5-ALA and SF for brain tumors with emphasis on fluorescence-guided surgery in HGG and brain metastases. Further, we assess the advantages and disadvantages of both fluorophores and discuss their future perspectives.
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Affiliation(s)
- Lasse Cramer Ahrens
- Department of Neurosurgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 165, J618, DK8200 Aarhus, Denmark; (M.G.K.); (N.M.)
- Correspondence: (L.C.A.); (A.R.K.); Tel.: +45-(20)-254418 (L.C.A.)
| | - Mathias Green Krabbenhøft
- Department of Neurosurgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 165, J618, DK8200 Aarhus, Denmark; (M.G.K.); (N.M.)
| | - Rasmus Würgler Hansen
- Department of Neurosurgery, Odense University Hospital, DK5000 Odense, Denmark; (R.W.H.); (C.B.P.); (F.R.P.)
| | - Nikola Mikic
- Department of Neurosurgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 165, J618, DK8200 Aarhus, Denmark; (M.G.K.); (N.M.)
- Department of Clinical Medicine, Aarhus University, Incuba Skejby, Building 2, Palle Juul-Jensens Boulevard 82, J618, DK8200 Aarhus, Denmark
| | - Christian Bonde Pedersen
- Department of Neurosurgery, Odense University Hospital, DK5000 Odense, Denmark; (R.W.H.); (C.B.P.); (F.R.P.)
| | - Frantz Rom Poulsen
- Department of Neurosurgery, Odense University Hospital, DK5000 Odense, Denmark; (R.W.H.); (C.B.P.); (F.R.P.)
| | - Anders Rosendal Korshoej
- Department of Neurosurgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 165, J618, DK8200 Aarhus, Denmark; (M.G.K.); (N.M.)
- Department of Clinical Medicine, Aarhus University, Incuba Skejby, Building 2, Palle Juul-Jensens Boulevard 82, J618, DK8200 Aarhus, Denmark
- Correspondence: (L.C.A.); (A.R.K.); Tel.: +45-(20)-254418 (L.C.A.)
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22
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van Leeuwen FW, van Willigen DM, Buckle T. Clinical application of fluorescent probes. Nucl Med Mol Imaging 2022. [DOI: 10.1016/b978-0-12-822960-6.00104-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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23
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Xue Z, Kong L, Hao S, Wang Y, Jia G, Wu Z, Jia W, Zhang J, Zhang L. Combined Application of Sodium Fluorescein and Neuronavigation Techniques in the Resection of Brain Gliomas. Front Neurol 2021; 12:747072. [PMID: 34938258 PMCID: PMC8685407 DOI: 10.3389/fneur.2021.747072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 11/01/2021] [Indexed: 11/25/2022] Open
Abstract
Objectives: To explore the effectiveness and safety of the combined application of sodium fluorescein and neuronavigation techniques in the resection of brain gliomas in different locations and patients of different ages. Methods: Fifty clinical cases of brain gliomas treated at the Department of Neurosurgery of Beijing Tiantan Hospital were collected from March 2014 to March 2019. These cases were divided into a supratentorial group (24 cases) and a brainstem group (26 cases) based on location and an adult group (28 cases) and a pediatric group (22 cases) based on age. Fluorescein-guided surgery was performed: the adult group received 5 mg/kg sodium fluorescein before opening the dura, while the pediatric group received 2.5 mg/kg during resection. Tumor visualization was evaluated by the enhancement of yellow fluorescein and considered “satisfactory” if the illumination demarcated the tumor boundary. Additionally, the consistency between fluorescein and neuronavigation was analyzed. The Karnofsky performance score (KPS) of all patients was recorded and assessed at admission, discharge, and the 6-month follow-up. Results: In the 28 adult cases, 4 were unsatisfactory, while in the 22 pediatric cases, 2 were unsatisfactory; in 7 cases, there was an inconsistency between yellow fluorescein enhancement and neuronavigation, 6 were in the supratentorial group, and 1 was in the brainstem group. Statistical analysis showed no significant differences in the satisfactory rate between the adult and pediatric groups (P = 0.575), whereas there were significant differences inconsistency between the supratentorial group and brainstem group (P = 0.031). The mean KPS at admission was between 70 and 100, which was not significantly different from that at discharge (P = 0.839), but the KPS at the 6-month follow-up was significantly higher than that at admission (P = 0.041). Conclusions: The consistency between sodium fluorescein and the neuronavigation system was higher in the brainstem group than in the supratentorial group; a half dose of sodium fluorescein (2.5 mg/kg) was sufficient for pediatric patients. The combined utilization of sodium fluorescein and neuronavigation techniques may confer glioma patients the opportunity to obtain better clinical outcomes after surgery.
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Affiliation(s)
- Zhan Xue
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Lu Kong
- Department of Neurosurgery, Qingdao Municipal Hospital, Qingdao, China
| | - Shuyu Hao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yu Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guijun Jia
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhen Wu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wang Jia
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Junting Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Liwei Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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24
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Luzzi S, Giotta Lucifero A, Martinelli A, Maestro MD, Savioli G, Simoncelli A, Lafe E, Preda L, Galzio R. Supratentorial high-grade gliomas: maximal safe anatomical resection guided by augmented reality high-definition fiber tractography and fluorescein. Neurosurg Focus 2021; 51:E5. [PMID: 34333470 DOI: 10.3171/2021.5.focus21185] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 05/13/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The theoretical advantages of augmented reality (AR) with diffusion tensor imaging (DTI)-based high-definition fiber tractography (HDFT) and sodium fluorescein (F) in high-grade glioma (HGG) surgery have not been investigated in detail. In this study, the authors aimed to evaluate the safety and efficacy profiles of HDFT-F microscope-based AR cytoreductive surgery for newly diagnosed supratentorial HGGs. METHODS Data of patients with newly diagnosed supratentorial HGGs who underwent surgery using the AR HDFT-F technique were reviewed and compared with those of a cohort of patients who underwent conventional white-light surgery assisted by infrared neuronavigation. The safety and efficacy of the techniques were reported based on the postoperative Neurological Assessment in Neuro-Oncology (NANO) scores, extent of resection (EOR), and Kaplan-Meier curves, respectively. The chi-square test was conducted for categorical variables. A p value < 0.05 was considered statistically significant. RESULTS A total of 54 patients underwent surgery using the AR HDFT-F technique, and 63 underwent conventional white-light surgery assisted by infrared neuronavigation. The mean postoperative NANO scores were 3.8 ± 2 and 5.2 ± 4 in the AR HDFT-F group and control group, respectively (p < 0.05). The EOR was higher in the AR HDFT-F group (p < 0.05) than in the control group. With a mean follow-up of 12.2 months, the rate of progression-free survival (PFS) was longer in the study group (log-rank test, p = 0.006) than in the control group. Moreover, the complication rates were 9.2% and 9.5% in the study and control groups, respectively. CONCLUSIONS Overall, AR HDFT-F-assisted surgery is safe and effective in maximizing the EOR and PFS rate for patients with newly diagnosed supratentorial HGGs, and in optimizing patient functional outcomes.
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Affiliation(s)
- Sabino Luzzi
- 1Neurosurgery Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia.,2Neurosurgery Unit, Department of Surgical Sciences, Fondazione IRCCS Policlinico San Matteo, Pavia
| | - Alice Giotta Lucifero
- 1Neurosurgery Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia
| | - Andrea Martinelli
- 3Department of Science and High Technology, University of Insubria, Como
| | - Mattia Del Maestro
- 4PhD School in Experimental Medicine, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia
| | - Gabriele Savioli
- 4PhD School in Experimental Medicine, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia.,5Emergency Department, IRCCS Policlinico San Matteo, Pavia; and
| | - Anna Simoncelli
- 6Department of Diagnostic Radiology and Interventional Radiology and Neuroradiology, University of Pavia, IRCCS Policlinico San Matteo Foundation, Pavia; and
| | - Elvis Lafe
- 6Department of Diagnostic Radiology and Interventional Radiology and Neuroradiology, University of Pavia, IRCCS Policlinico San Matteo Foundation, Pavia; and
| | - Lorenzo Preda
- 6Department of Diagnostic Radiology and Interventional Radiology and Neuroradiology, University of Pavia, IRCCS Policlinico San Matteo Foundation, Pavia; and
| | - Renato Galzio
- 7Neurosurgery Unit, Maria Cecilia Hospital, Cotignola, Italy
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25
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Belykh E, Onaka NR, Zhao X, Abramov I, Eschbacher JM, Nakaji P, Preul MC. High-Dose Fluorescein Reveals Unusual Confocal Endomicroscope Imaging of Low-Grade Glioma. Front Neurol 2021; 12:668656. [PMID: 34335443 PMCID: PMC8322731 DOI: 10.3389/fneur.2021.668656] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 06/17/2021] [Indexed: 12/02/2022] Open
Abstract
Background: Fluorescence-guided brain tumor surgery using fluorescein sodium (FNa) for contrast is effective in high-grade gliomas. However, the effectiveness of this technique for visualizing noncontrast-enhancing and low-grade gliomas is unknown. This report is the first documented case of the concurrent use of wide-field fluorescence-guided surgery and confocal laser endomicroscopy (CLE) with high-dose FNa (40 mg/kg) for intraoperative visualization of tumor tissue cellularity in a nonenhancing glioma. Case Description: A patient underwent fluorescence-guided surgery for a left frontal lobe mass without contrast enhancement on magnetic resonance imaging. The patient received 40 mg/kg FNa intravenously at the induction of anesthesia. Surgery was performed under visualization with a Yellow 560 filter and white-light wide-field imaging. Intraoperative CLE produced high-quality images of the lesion 1.5 h after FNa injection. Frozen-section analysis demonstrated findings comparable to those of intraoperative CLE visualization and consistent with World Health Organization (WHO) glioma grades II–III. The patient recovered without complications. Analysis of the permanent histologic sections identified the tumor as an anaplastic oligodendroglioma, IDH-mutant, 1p/19q co-deleted, consistent with WHO grade III because of discrete foci of hypercellularity and increased mitotic figures, but large regions of the lesion were low grade. Conclusions: The use of high-dose FNa in this patient with a nonenhancing borderline low-grade/high-grade glioma produced actionable wide-field fluorescence imaging using the operating microscope and improved CLE visualization of tumor cellularity. Higher doses of FNa for intraoperative CLE imaging and possible simultaneous wide-field fluorescence surgical guidance in nonenhancing gliomas merit further investigation.
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Affiliation(s)
- Evgenii Belykh
- Department of Neurosurgery, The Loyal and Edith Davis Neurosurgical Research Laboratory, St. Joseph's Hospital and Medical Center, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Naomi R Onaka
- Department of Neurosurgery, The Loyal and Edith Davis Neurosurgical Research Laboratory, St. Joseph's Hospital and Medical Center, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Xiaochun Zhao
- Department of Neurosurgery, The Loyal and Edith Davis Neurosurgical Research Laboratory, St. Joseph's Hospital and Medical Center, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Irakliy Abramov
- Department of Neurosurgery, The Loyal and Edith Davis Neurosurgical Research Laboratory, St. Joseph's Hospital and Medical Center, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Jennifer M Eschbacher
- Department of Neuropathology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Peter Nakaji
- Department of Neuropathology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Mark C Preul
- Department of Neurosurgery, The Loyal and Edith Davis Neurosurgical Research Laboratory, St. Joseph's Hospital and Medical Center, Barrow Neurological Institute, Phoenix, AZ, United States
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Revilla-Pacheco F, Rodríguez-Salgado P, Barrera-Ramírez M, Morales-Ruiz MP, Loyo-Varela M, Rubalcava-Ortega J, Herrada-Pineda T. Extent of resection and survival in patients with glioblastoma multiforme: Systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e26432. [PMID: 34160432 PMCID: PMC8238332 DOI: 10.1097/md.0000000000026432] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 06/04/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Glioblastoma multiforme (GBM) owes an ominous prognosis: its mean overall survival is 14 months. The extent of surgical resection (ESR) highlights among factors in which an association has been found to a somewhat better prognosis. However, the association between greater ESR and prolonged overall (OS) survival is not a constant finding nor a proven cause-and-effect phenomenon. To our objective is to establish the strength of association between ESR and OS in patients with GBM through a systematic review and meta-analysis. METHODS In accordance with PRISMA-P recommendations, we conducted a systematic literature search; we included studies with adult patients who had undergone craniotomy for GBM. Our primary outcome is overall postoperative survival at 12 and 24 months. We reviewed 180 studies, excluded 158, and eliminated 8; 14 studies that suited our requirements were analyzed. RESULTS The initial level of evidence of all studies is low, and it may be degraded to very low according to GRADE criteria because of design issues. The definition of different levels of the extent of resection is heterogeneous and poorly defined. We found a great amount of variation in the methodology of the operation and the adjuvant treatment protocol. The combined result for relative risk (RR) for OS for 12 months analysis is 1.25 [95% confidence interval (95% CI) 1.14-1.36, P < .01], absolute risk reduction (ARR) of 15.7% (95% CI 11.9-19.4), relative risk reduction (RRR) of 0.24 (95% CI 0.18-0.31), number needed to treat (NNT) 6; for 24-month analysis RR is 1.59 (95% CI 1.11-2.26, P < .01) ARR of 11.5% (95% CI 7.7-15.1), relative risk reduction (RRR) of 0.53 (95% CI 0.33-0.76), (NNT) 9. In each term analysis, the proportion of alive patients who underwent more extensive resection is significantly higher than those who underwent subtotal resection. CONCLUSION Our results sustain a weak but statistically significant association between the ESR and OS in patients with GBM obtained from observational studies with a very low level of evidence according to GRADE criteria. As a consequence, any estimate of effect is very uncertain. Current information cannot sustain a cause-and-effect relationship between these variables.
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27
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Schupper AJ, Rao M, Mohammadi N, Baron R, Lee JYK, Acerbi F, Hadjipanayis CG. Fluorescence-Guided Surgery: A Review on Timing and Use in Brain Tumor Surgery. Front Neurol 2021; 12:682151. [PMID: 34220688 PMCID: PMC8245059 DOI: 10.3389/fneur.2021.682151] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 05/11/2021] [Indexed: 12/25/2022] Open
Abstract
Fluorescence-guided surgery (FGS) allows surgeons to have improved visualization of tumor tissue in the operating room, enabling maximal safe resection of malignant brain tumors. Over the past two decades, multiple fluorescent agents have been studied for FGS, including 5-aminolevulinic acid (5-ALA), fluorescein sodium, and indocyanine green (ICG). Both non-targeted and targeted fluorescent agents are currently being used in clinical practice, as well as under investigation, for glioma visualization and resection. While the efficacy of intraoperative fluorescence in studied fluorophores has been well established in the literature, the effect of timing on fluorophore administration in glioma surgery has not been as well depicted. In the past year, recent studies of 5-ALA use have shown that intraoperative fluorescence may persist beyond the previously studied window used in prior multicenter trials. Additionally, the use of fluorophores for different brain tumor types is discussed in detail, including a discussion of choosing the right fluorophore based on tumor etiology. In the following review, the authors will describe the temporal nature of the various fluorophores used in glioma surgery, what remains uncertain in FGS, and provide a guide for using fluorescence as a surgical adjunct in brain tumor surgery.
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Affiliation(s)
- Alexander J Schupper
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Manasa Rao
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Nicki Mohammadi
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Rebecca Baron
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - John Y K Lee
- Department of Neurosurgery, University of Pennsylvania School of Medicine, Philadelphia, PA, United States
| | - Francesco Acerbi
- Department of Neurosurgery, Fondazione Istituto Di Ricovero e Cura a Carattere Scientifico Istituto Neurologico Carlo Besta, Milan, Italy
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28
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Wang LM, Banu MA, Canoll P, Bruce JN. Rationale and Clinical Implications of Fluorescein-Guided Supramarginal Resection in Newly Diagnosed High-Grade Glioma. Front Oncol 2021; 11:666734. [PMID: 34123831 PMCID: PMC8187787 DOI: 10.3389/fonc.2021.666734] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 05/10/2021] [Indexed: 11/13/2022] Open
Abstract
Current standard of care for glioblastoma is surgical resection followed by temozolomide chemotherapy and radiation. Recent studies have demonstrated that >95% extent of resection is associated with better outcomes, including prolonged progression-free and overall survival. The diffusely infiltrative pattern of growth in gliomas results in microscopic extension of tumor cells into surrounding brain parenchyma that makes complete resection unattainable. The historical goal of surgical management has therefore been maximal safe resection, traditionally guided by MRI and defined as removal of all contrast-enhancing tumor. Optimization of surgical resection has led to the concept of supramarginal resection, or removal beyond the contrast-enhancing region on MRI. This strategy of extending the cytoreductive goal targets a tumor region thought to be important in the recurrence or progression of disease as well as resistance to systemic and local treatment. This approach must be balanced against the risk of impacting eloquent regions of brain and causing permanent neurologic deficit, an important factor affecting overall survival. Over the years, fluorescent agents such as fluorescein sodium have been explored as a means of more reliably delineating the boundary between tumor core, tumor-infiltrated brain, and surrounding cortex. Here we examine the rationale behind extending resection into the infiltrative tumor margins, review the current literature surrounding the use of fluorescein in supramarginal resection of gliomas, discuss the experience of our own institution in utilizing fluorescein to maximize glioma extent of resection, and assess the clinical implications of this treatment strategy.
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Affiliation(s)
- Linda M Wang
- Gabriele Bartoli Brain Tumor Laboratory, Department of Neurological Surgery and Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, United States
| | - Matei A Banu
- Gabriele Bartoli Brain Tumor Laboratory, Department of Neurological Surgery and Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, United States
| | - Peter Canoll
- Gabriele Bartoli Brain Tumor Laboratory, Department of Neurological Surgery and Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, United States
| | - Jeffrey N Bruce
- Gabriele Bartoli Brain Tumor Laboratory, Department of Neurological Surgery and Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, United States
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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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Pedro MT, Grübel N, Durner G, Pala A, Wirtz CR, Koenig RW. Intraoperative Sodium-Fluorescence Imaging in Peripheral Nerve Sheath Tumors (PNST)-A New Additional Promising Diagnostic Tool. Front Oncol 2021; 11:655392. [PMID: 33768010 PMCID: PMC7985443 DOI: 10.3389/fonc.2021.655392] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 02/12/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Through the development and implementation of specific fluorophore filters to microscopes in 2012, sodium fluorescein (SF) is currently experiencing a remarkable renaissance in neurosurgery. The present study examines its intraoperative application during surgical removal of peripheral nerve sheath tumors (PNST) and metastases. Methods: This single-center study includes 10 cases of benign and malignant tumors as well as metastases of peripheral nerves (in total 11 PNST). Their surgical resections were all performed under microscope-based fluorescence with SF, which was administered intravenously (0.5-1.0 mg/kg body weight) during anesthesia induction. Microsurgical tumor removals were filmed and the collected data were retrospectively analyzed via ImageJ. Results: Microsurgical tumor preparation was possible under the usage of fluorophore filter. In seven histological confirmed schwannoma (n = 6 patients) tissue differentiation between tumor mass and not involved fascicles was statistically significant for the colors green and red. Schwannoma maximum mean for green reached 254.7 pixel and 179.4 pixel for red, whereas passing healthy fascicles revealed a maximum mean for green 94.91 and for red 120.76 pixel. One case of neurofibroma achieved lower amount of pixel. Similar to schwannoma, the two MPNST cases showed a strong homogeneous fluorescence (max. mean green 215 pixel and red 124.51) involving the whole nerve segment. Subcutaneous tumor remnants were visualized and therefore resected. Via fascicular nerve biopsy a B-cell lymphoma of the tibial nerve could be detected. SF led to variable stain intensities in single fascicles. The resected fascicle revealed a max mean green of 100.54 pixel, whereas surrounding fascicles came up with max. mean green of 63.0 pixel. Conclusions: Intraoperative SF visualization for PNST is feasible and of low risk. During resection of benign PNST, enhanced tissue differentiation between affected and not affected nerve segments is very useful. Tumor remnants can be detected safely and effectively. Its application during resection of malignant PNST is limited. Due to the infiltrative nature of those tumors, intraneural tissue differentiation is not possible. "Fluorescence-guided" biopsy can be regarded as an additional advantage in PNST surgery. Due to the encouraging experience in our institution SF was established as standard visualization tool in PNST surgery.
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Affiliation(s)
- Maria Teresa Pedro
- Klinik für Neurochirurgie, Medizinische Fakultät, Universität Ulm, Ulm, Germany
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Leung HM, Lau CH, Ho JWT, Chan MS, Chang TJH, Law LH, Wang F, Tam DY, Liu LS, Chan KWY, Tin C, Lo PK. Targeted brain tumor imaging by using discrete biopolymer-coated nanodiamonds across the blood-brain barrier. NANOSCALE 2021; 13:3184-3193. [PMID: 33527933 DOI: 10.1039/d0nr06765b] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Short circulation lifetime, poor blood-brain barrier (BBB) permeability and low targeting specificity limit nanovehicles from crossing the vascular barrier and reaching the tumor site. Consequently, the precise diagnosis of malignant brain tumors remains a great challenge. This study demonstrates the imaging of photostable biopolymer-coated nanodiamonds (NDs) with tumor targeting properties inside the brain. NDs are labeled with PEGylated denatured bovine serum albumin (BSA) and tumor vasculature targeting tripeptides RGD. The modified NDs show high colloidal stability in different buffer systems. Moreover, it is found that discrete dcBSA-PEG-NDs cross the in vitro BBB model more effectively than aggregated NDs. Importantly, compared with the non-targeting NDs, RGD-dcBSA-PEG-NDs can selectively target the tumor site in U-87 MG bearing mice after systemic injection. Overall, this discrete ND system enables efficacious brain tumor visualization with minimal toxicity to other major organs, and is worthy of further investigation into the applications as a unique platform for noninvasive theragnostics and/or thermometry at different stages of human diseases in the brain.
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Affiliation(s)
- Hoi Man Leung
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China.
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Olguner SK, Arslan A, Açık V, İstemen İ, Can M, Gezercan Y, Ökten Aİ. Sodium Fluorescein for Spinal Intradural Tumors. Front Oncol 2021; 10:618579. [PMID: 33585245 PMCID: PMC7877540 DOI: 10.3389/fonc.2020.618579] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 12/11/2020] [Indexed: 01/11/2023] Open
Abstract
Technological innovations in spinal intradural tumor surgery simplify treatment. Surgical treatment of cranial benign and malignant pathologies under microscope with sodium (Na)-fluorescein guidance has often been reported, but few studies have focused on spinal intradural tumors. We aimed to investigate the usefulness of Na-fluorescein under yellow filter in intradural spinal tumor surgery by retrospectively reviewing cases involving intramedullary and extramedullary tumors operated under the guidance of Na-fluorescein. Forty-nine adult patients with a diagnosis of spinal intradural tumor operated under a yellow filter (560 nm) microscope using Na-fluorescein dye were included in the study. Demographic data, such as age and sex, neurological status, extent of tumor resection, histopathological diagnosis, Na-fluorescein staining pattern, and its usefulness during surgery were noted and statistically analyzed. Of all recruited patients, 26 women (53.1%) and 23 men (46.9%), were included for analysis. The age range of the patients was 18–64 years, with a mean age of 41.6 ± 13.9. An intradural intramedullary mass was found in 30.6% (n = 15) of the patients, and an intradural extramedullary mass in 69.4% (n: 34). While Na-fluorescein staining was homogeneous in all intradural extramedullary tumors, 73.3% (n: 11) of intradural intramedullary tumors were homogeneous, and 13.3% (n: 2) moderately heterogeneous. In the whole study group, the Na-fluorescein staining pattern was helpful in surgical resection in 47 cases (95.9%). While 34/34 (100%) found it helpful for extramedullary tumors, 13/15 (86.7%) did in intramedullary tumors, and for 2/15 (13.3%) it was not. In conclusion, Na-fluorescein helps in distinguishing tumor from healthy tissue in intradural extramedullary and intramedullary tumor surgery under a yellow filter microscope in most cases, thus providing convenient assistance to surgeons.
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Affiliation(s)
- Semih Kivanc Olguner
- Department of Neurosurgery, Adana City Training and Research Hospital, Adana, Turkey
| | - Ali Arslan
- Department of Neurosurgery, Adana City Training and Research Hospital, Adana, Turkey
| | - Vedat Açık
- Department of Neurosurgery, Adana City Training and Research Hospital, Adana, Turkey
| | - İsmail İstemen
- Department of Neurosurgery, Adana City Training and Research Hospital, Adana, Turkey
| | - Mehmet Can
- Department of Neurosurgery, Adana City Training and Research Hospital, Adana, Turkey
| | - Yurdal Gezercan
- Department of Neurosurgery, Adana City Training and Research Hospital, Adana, Turkey
| | - Ali İhsan Ökten
- Department of Neurosurgery, Adana City Training and Research Hospital, Adana, 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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Schupper AJ, Yong RL, Hadjipanayis CG. The Neurosurgeon's Armamentarium for Gliomas: An Update on Intraoperative Technologies to Improve Extent of Resection. J Clin Med 2021; 10:jcm10020236. [PMID: 33440712 PMCID: PMC7826675 DOI: 10.3390/jcm10020236] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/06/2021] [Accepted: 01/08/2021] [Indexed: 12/18/2022] Open
Abstract
Maximal safe resection is the standard of care in the neurosurgical treatment of high-grade gliomas. To aid surgeons in the operating room, adjuvant techniques and technologies centered around improving intraoperative visualization of tumor tissue have been developed. In this review, we will discuss the most advanced technologies, specifically fluorescence-guided surgery, intraoperative imaging, neuromonitoring modalities, and microscopic imaging techniques. The goal of these technologies is to improve detection of tumor tissue beyond what conventional microsurgery has permitted. We describe the various advances, the current state of the literature that have tested the utility of the different adjuvants in clinical practice, and future directions for improving intraoperative technologies.
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Li Z, Yang F, Xu C, Ma C, Zhao Y. Clinical value of neuronavigation combined with a fluorescent staining technique during microsurgery for treating supratentorial glioma: A case-control observational study. GLIOMA 2021. [DOI: 10.4103/glioma.glioma_27_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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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:E1100. [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.)
| | - Bartłomiej Kulesza
- Chair and Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, 20-954 Lublin, Poland; (F.S.); (J.O.); (R.R.)
| | - 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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Orillac C, Stummer W, Orringer DA. Fluorescence Guidance and Intraoperative Adjuvants to Maximize Extent of Resection. Neurosurgery 2020; 89:727-736. [PMID: 33289518 DOI: 10.1093/neuros/nyaa475] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 08/23/2020] [Indexed: 12/27/2022] Open
Abstract
Safely maximizing extent of resection has become the central goal in glioma surgery. Especially in eloquent cortex, the goal of maximal resection is balanced with neurological risk. As new technologies emerge in the field of neurosurgery, the standards for maximal safe resection have been elevated. Fluorescence-guided surgery, intraoperative magnetic resonance imaging, and microscopic imaging methods are among the most well-validated tools available to enhance the level of accuracy and safety in glioma surgery. Each technology uses a different characteristic of glioma tissue to identify and differentiate tumor tissue from normal brain and is most effective in the context of anatomic, connectomic, and neurophysiologic context. While each tool is able to enhance resection, multiple modalities are often used in conjunction to achieve maximal safe resection. This paper reviews the mechanism and utility of the major adjuncts available for use in glioma surgery, especially in tumors within eloquent areas, and puts forth the foundation for a unified approach to how leverage currently available technology to ensure maximal safe resection.
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Affiliation(s)
- Cordelia Orillac
- Department of Neurosurgery, NYU Langone Health, New York, New York
| | - Walter Stummer
- Department of Neurosurgery, University Hospital Münster, Münster, Germany
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Domino JS, Ormond DR, Germano IM, Sami M, Ryken TC, Olson JJ. Cytoreductive surgery in the management of newly diagnosed glioblastoma in adults: a systematic review and evidence-based clinical practice guideline update. J Neurooncol 2020; 150:121-142. [PMID: 33215341 DOI: 10.1007/s11060-020-03606-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 08/23/2020] [Indexed: 11/29/2022]
Abstract
TARGET POPULATION These recommendations apply to adults with newly diagnosed or suspected glioblastoma. QUESTION What is the effect of extent of surgical resection on patient outcome in the initial management of adult patients with suspected newly diagnosed glioblastoma? RECOMMENDATION Level II: Maximal cytoreductive surgery is recommended in adult patients with suspected newly diagnosed supratentorial glioblastoma with gross total resection defined as removal of contrast enhancing tumor. Level III: Biopsy, subtotal resection, or gross total resection is suggested depending on medical comorbidities, functional status, and location of tumor if maximal resection may cause significant neurologic deficit. QUESTION What is the role of cytoreductive surgery in adults with newly diagnosed bi-frontal "butterfly" glioblastoma? RECOMMENDATION Level III: Resection of newly diagnosed bi-frontal "butterfly" glioblastoma is suggested to improve overall survival over biopsy alone. QUESTION What is the goal of cytoreductive surgery in elderly adult patients with newly diagnosed glioblastoma? RECOMMENDATION Level III: Elderly patients (> 65 years) show survival benefit with gross total resection and it is suggested they undergo cytoreductive surgery. QUESTION What is the role of advanced intraoperative guidance techniques in cytoreductive surgery in adults with newly diagnosed glioblastoma? RECOMMENDATION Level III: The use of intraoperative guidance adjuncts such as intraoperative MRI (iMRI) or 5-aminolevulinic acid (5-ALA) are suggested to maximize extent of resection in newly diagnosed glioblastoma. There is insufficient evidence to make a suggestion on the use of fluorescein, indocyanine green, or intraoperative ultrasound.
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Affiliation(s)
- Joseph S Domino
- Department of Neurosurgery, University of Kansas School of Medicine, Kansas City, KS, USA. .,Department of Neurosurgery, University of Kansas Medical Center, 3901 Rainbow Blvd, MS 3021, Kansas City, KS, 66160, USA.
| | - D Ryan Ormond
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Isabelle M Germano
- Department of Neurosurgery, The Mount Sinai Medical Center, New York, NY, USA
| | - Mairaj Sami
- Department of Neurosurgery, University of Kansas School of Medicine, Kansas City, KS, USA
| | - Timothy C Ryken
- Department of Neurosurgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Jeffrey J Olson
- Department of Neurosurgery, Emory University School of Medicine, Atlanta, GA, USA
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Abstract
In neurosurgery, the extent of resection plays a critical role, especially in the management of malignant gliomas. These tumors are characterized through a diffuse infiltration into the surrounding brain parenchyma. Delineation between tumor and normal brain parenchyma can therefore often be challenging. During the recent years, several techniques, aiming at better intraoperative tumor visualization, have been developed and implemented in the field of brain tumor surgery. In this chapter, we discuss current strategies for intraoperative imaging in brain tumor surgery, comprising conventional techniques such as neuronavigation, techniques using fluorescence-guided surgery, and further highly precise developments such as targeted fluorescence spectroscopy or Raman spectroscopy.
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Affiliation(s)
- Stephanie Schipmann-Miletić
- Department of Neurosurgery, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany.
| | - Walter Stummer
- Department of Neurosurgery, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany
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Save AV, Gill BJ, D'amico RS, Canoll P, Bruce JN. Fluorescein-guided resection of gliomas. J Neurosurg Sci 2020; 63:648-655. [PMID: 31961117 DOI: 10.23736/s0390-5616.19.04738-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Standard of care in the management of high-grade gliomas includes gross total resection (GTR) followed by treatment with radiation and temozolomide. GTR remains one of the few independent prognostic factors for improved survival in this disease. Sodium fluorescein is an organic fluorophore that has been studied as a surgical adjunct to improve the likelihood of achieving GTR in gliomas. Though sodium fluorescein does not selectively accumulate in glioma cells, it allows for real-time identification of regions of blood brain barrier breakdown, corresponding to the contrast-enhancing cores of high-grade gliomas. In addition to its high predictive value for identifying pathologic tissue, use of fluorescein has been shown to improve rates of GTR. In stereotactic needle biopsies, it helps reduce procedure time by rapidly confirming the presence of diagnostic tissue. Furthermore, in non-enhancing, low-grade gliomas, it labels focal regions of vascular dysregulation that have been correlated with high-grade features. Fluorescein has also been shown to be significantly less expensive than other contemporary surgical adjuncts such as intraoperative ultrasound, intraoperative MRI, and the recently FDA approved fluorophore, 5-aminolevulinic acid (5-ALA). Here, we review the current literature on the effectiveness of fluorescein as a surgical tool in the resection of gliomas.
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Affiliation(s)
- Akshay V Save
- Department of Neurological Surgery, Columbia University Irving Medical Center, New York, NY, USA -
| | - Brian J Gill
- Department of Neurological Surgery, Columbia University Irving Medical Center, New York, NY, USA
| | - Randy S D'amico
- Department of Neurological Surgery, Columbia University Irving Medical Center, New York, NY, USA
| | - Peter Canoll
- Department of Neuropathology, Columbia University Irving Medical Center, New York, NY, USA
| | - Jeffrey N Bruce
- Department of Neurological Surgery, Columbia University Irving Medical Center, New York, NY, USA
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La Rocca G, Della Pepa GM, Menna G, Altieri R, Ius T, Rapisarda A, Olivi A, Sabatino G. State of the art of fluorescence guided techniques in neurosurgery. J Neurosurg Sci 2020; 63:619-624. [PMID: 31961115 DOI: 10.23736/s0390-5616.19.04854-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Achieving a safe and extensive neoplasm resection can be considered the main goal of brain tumor surgery. This paper is first aimed at providing an overview of the evolution of those tools serving the purpose. From the dawn of neurosurgery to the present days, major innovations have followed one another. However, those techniques may frequently lack of an instant biological feedback on the true extension and the infiltration of the tumor. Intraoperative fluorescence modalities could indeed fill this gap. Fluorescence guided surgery will be therefore introduced and discussed in this context. Our focus will be on the most common fluorescence techniques used in neurosurgery, namely 5-aminolevulinic acid, sodium fluorescein and in indocyanine green. Mode of action, strengths and weaknesses and level of evidence of each modality will be discussed.
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Affiliation(s)
- Giuseppe La Rocca
- Institute of Neurosurgery, A. Gemelli University Polyclinic, IRCCS and Foundation, Sacred Heart Catholic University, Rome, Italy - .,Unit of Neurosurgery, Mater Olbia Hospital, Olbia, Italy -
| | - Giuseppe M Della Pepa
- Institute of Neurosurgery, A. Gemelli University Polyclinic, IRCCS and Foundation, Sacred Heart Catholic University, Rome, Italy
| | - Grazia Menna
- Institute of Neurosurgery, A. Gemelli University Polyclinic, IRCCS and Foundation, Sacred Heart Catholic University, Rome, Italy
| | - Roberto Altieri
- Department of Neurological Surgery, G. Rodolico Policlinic University Hospital, Catania, Italy.,Division of Neurosurgery, Department of Neuroscience, University of Turin, Turin, Italy
| | - Tamara Ius
- Unit of Neurosurgery, Department of Neuroscience, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Alessandro Rapisarda
- Institute of Neurosurgery, A. Gemelli University Polyclinic, IRCCS and Foundation, Sacred Heart Catholic University, Rome, Italy
| | - Alessandro Olivi
- Institute of Neurosurgery, A. Gemelli University Polyclinic, IRCCS and Foundation, Sacred Heart Catholic University, Rome, Italy
| | - Giovanni Sabatino
- Institute of Neurosurgery, A. Gemelli University Polyclinic, IRCCS and Foundation, Sacred Heart Catholic University, Rome, Italy
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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: 44] [Impact Index Per Article: 11.0] [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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Near-Infrared Molecular Imaging of Glioblastoma by Miltuximab ®-IRDye800CW as a Potential Tool for Fluorescence-Guided Surgery. Cancers (Basel) 2020; 12:cancers12040984. [PMID: 32316186 PMCID: PMC7226459 DOI: 10.3390/cancers12040984] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/07/2020] [Accepted: 04/12/2020] [Indexed: 02/06/2023] Open
Abstract
Glioblastoma (GBM) is one of the most aggressive tumors and its 5-year survival is approximately 5%. Fluorescence-guided surgery (FGS) improves the extent of resection and leads to better prognosis. Molecular near-infrared (NIR) imaging appears to outperform conventional FGS, however, novel molecular targets need to be identified in GBM. Proteoglycan glypican-1 (GPC-1) is believed to be such a target as it is highly expressed in GBM and is associated with poor prognosis. We hypothesize that an anti-GPC-1 antibody, Miltuximab®, conjugated with the NIR dye, IRDye800CW (IR800), can specifically accumulate in a GBM xenograft and provide high-contrast in vivo fluorescent imaging in rodents following systemic administration. Miltuximab® was conjugated with IR800 and intravenously administered to BALB/c nude mice bearing a subcutaneous U-87 GBM hind leg xenograft. Specific accumulation of Miltuximab®-IR800 in subcutaneous xenograft tumor was detected 24 h later using an in vivo fluorescence imager. The conjugate did not cause any adverse events in mice and caused strong fluorescence of the tumor with tumor-to-background ratio (TBR) reaching 10.1 ± 2.8. The average TBR over the 10-day period was 5.8 ± 0.6 in mice injected with Miltuximab®-IR800 versus 2.4 ± 0.1 for the control group injected with IgG-IR800 (p = 0.001). Ex vivo assessment of Miltuximab®-IR800 biodistribution confirmed its highly specific accumulation in the tumor. The results of this study confirm that Miltuximab®-IR800 holds promise for intraoperative fluorescence molecular imaging of GBM and warrants further studies.
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Katsevman GA, Turner RC, Urhie O, Voelker JL, Bhatia S. Utility of sodium fluorescein for achieving resection targets in glioblastoma: increased gross- or near-total resections and prolonged survival. J Neurosurg 2020; 132:914-920. [PMID: 30738388 DOI: 10.3171/2018.10.jns181174] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 10/04/2018] [Indexed: 02/01/2023]
Abstract
OBJECTIVE It is commonly reported that achieving gross-total resection of contrast-enhancing areas in patients with glioblastoma (GBM) improves overall survival. Efforts to achieve an improved resection have included the use of both imaging and pharmacological adjuvants. The authors sought to investigate the role of sodium fluorescein in improving the rates of gross-total resection of GBM and to assess whether patients undergoing resection with fluorescein have improved survival compared to patients undergoing resection without fluorescein. METHODS A retrospective chart review was performed on 57 consecutive patients undergoing 64 surgeries with sodium fluorescein to treat newly diagnosed or recurrent GBMs from May 2014 to June 2017 at a teaching institution. Outcomes were compared to those in patients with GBMs who underwent resection without fluorescein. RESULTS Complete or near-total (≥ 98%) resection was achieved in 73% (47/64) of fluorescein cases. Of 42 cases thought not to be amenable to complete resection, 10 procedures (24%) resulted in gross-total resection and 15 (36%) resulted in near-total resection following the use of sodium fluorescein. No patients developed any local or systemic side effects after fluorescein injection. Patients undergoing resection with sodium fluorescein, compared to the non-fluorescein-treated group, had increased rates of gross- or near-total resection (73% vs 53%, respectively; p < 0.05) as well as improved median survival (78 weeks vs 60 weeks, respectively; p < 0.360). CONCLUSIONS This study is the largest case series to date demonstrating the beneficial effect of utilizing sodium fluorescein as an adjunct in GBM resection. Sodium fluorescein facilitated resection in cases in which it was employed, including dominant-side resections particularly near speech and motor regions. The cohort of patients in which sodium fluorescein was utilized had statistically significantly increased rates of gross- or near-total resection. Additionally, the fluorescein group demonstrated prolonged median survival, although this was not statistically significant. This work demonstrates the promise of an affordable and easy-to-implement strategy for improving rates of total resection of contrast-enhancing areas in patients with GBM.
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Affiliation(s)
| | | | - Ogaga Urhie
- 2West Virginia University School of Medicine, Morgantown, West Virginia
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Sodium fluorescein shows high surgeon-reported usability in glioblastoma surgery. Surgeon 2020; 18:344-348. [PMID: 32044289 DOI: 10.1016/j.surge.2020.01.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 01/12/2020] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Glioblastoma has a high mortality rate. Current treatment includes largest possible surgical resection of the tumour using neuronavigation and fluorescence to better identify tumour tissue. In recent years, sodium fluorescein has been reintroduced in neurosurgery as a fluorescence to increase the resection rate. In this study we aimed to measure the surgeons experience of using sodium fluorescein to locate and remove tumour tissue. Furthermore we describe a case of sodium fluorescein tissue distribution. MATERIAL AND METHODS 13 patients with glioblastoma and seven patients with cerebral metastases undergoing surgical resection were included. Surgery was performed using microscope alternating between white light and the YELLOW 560 filter, which visualized sodium fluorescein. Surgeons graded its usability in terms of location and removal on a scale from one to four. The resection rate was determined by neuroradiologists. Tissue samples obtained during surgery were analysed in relation to fluorescence and dysmorphic cells. RESULTS Surgeons reported high usability in terms of location and removal of tumours using sodium fluorescein with medians of four in all groups, except for sub-total resections which had a median of three. Surgical complications were minimal and both resection rate and survival rate was within international standards. Histological analysis showed a visual correlation between tumorous tissue and intensity of fluorescence. CONCLUSION Sodium fluorescence is an effective and useful tool for surgeons during fluorescence-guided surgery for the resection of glioblastoma and cerebral metastases.
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Navarro-Bonnet J, Suarez-Meade P, Brown DA, Chaichana KL, Quinones-Hinojosa A. Following the light in glioma surgery: a comparison of sodium fluorescein and 5-aminolevulinic acid as surgical adjuncts in glioma resection. J Neurosurg Sci 2020; 63:633-647. [PMID: 31961116 DOI: 10.23736/s0390-5616.19.04745-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Gliomas are molecularly complex neoplasms and require a multidisciplinary approach to treatment. Maximal safe resection is often the initial goal of treatment and extent of resection (EOR) is an important prognostic factor correlating with both progression-free-survival (PFS) and overall survival (OS). Postoperative patient outcome is also a critical and independent prognosticator and high EOR must not be achieved at the expense of good functional outcome. Several intraoperative adjuvant techniques have been developed to help the surgeon push the boundaries of EOR while maintaining safety. Fluorescence-guided surgery for brain tumors is a contemporary adjuvant technique that allows for intraoperative delineation of diseased and normal brain thus improving maximal safe resection. The most extensively used fluorophores are 5-aminolevulinic acid (5-ALA) and sodium fluorescein (SFL). These fluorophores have different spectrophotometric properties, mechanisms of action and considerations for use. Both have demonstrated utility in neurosurgical oncology. They are safe and both are FDA approved for use as surgical adjuncts during resection of primary CNS neoplasms although they have been used with varying success for other tumor types. When combined with other surgical adjuvant strategies such as neuronavigation, intraoperative ultrasound, intraoperative MRI, awake resection and/or electrophysiological mapping/monitoring, fluorescence-guided resection appears to further improve resection quality in regard to EOR and safety. In this article, we review the current knowledge related to both fluorophores for brain tumor resection, their benefits, and pitfalls, as well as the major advantages associated with their use. We also briefly review additional fluorophores in early clinical development. Fluorescence-guided surgery is a novel surgical adjuvant which allows for real-time delineation of neoplastic tissues. The most widely used fluorophores are 5-ALA and SFL. They are safe compounds and there is a large body of evidence suggesting improvement in EOR when these are employed. There are nuances to the use of each; the fluorescence intensity is dose-dependent in either case and the sensitivity and specificity for various tumors vary widely. Additional prospective studies will be necessary to parse the impact of this technique and these fluorophores on survival metrics.
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Affiliation(s)
- Jorge Navarro-Bonnet
- Department of Neurosurgery, Medica Sur Clinical Foundation, Mexico City, Mexico - .,Faculty of Health Sciences, Anahuac University, Mexico City, Mexico -
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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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Zhang DY, Dmello C, Chen L, Arrieta VA, Gonzalez-Buendia E, Kane JR, Magnusson LP, Baran A, James CD, Horbinski C, Carpentier A, Desseaux C, Canney M, Muzzio M, Stupp R, Sonabend AM. Ultrasound-mediated Delivery of Paclitaxel for Glioma: A Comparative Study of Distribution, Toxicity, and Efficacy of Albumin-bound Versus Cremophor Formulations. Clin Cancer Res 2019; 26:477-486. [PMID: 31831565 DOI: 10.1158/1078-0432.ccr-19-2182] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 10/25/2019] [Accepted: 11/13/2019] [Indexed: 12/18/2022]
Abstract
PURPOSE Paclitaxel shows little benefit in the treatment of glioma due to poor penetration across the blood-brain barrier (BBB). Low-intensity pulsed ultrasound (LIPU) with microbubble injection transiently disrupts the BBB allowing for improved drug delivery to the brain. We investigated the distribution, toxicity, and efficacy of LIPU delivery of two different formulations of paclitaxel, albumin-bound paclitaxel (ABX) and paclitaxel dissolved in cremophor (CrEL-PTX), in preclinical glioma models. EXPERIMENTAL DESIGN The efficacy and biodistribution of ABX and CrEL-PTX were compared with and without LIPU delivery. Antiglioma activity was evaluated in nude mice bearing intracranial patient-derived glioma xenografts (PDX). Paclitaxel biodistribution was determined in sonicated and nonsonicated nude mice. Sonications were performed using a 1 MHz LIPU device (SonoCloud), and fluorescein was used to confirm and map BBB disruption. Toxicity of LIPU-delivered paclitaxel was assessed through clinical and histologic examination of treated mice. RESULTS Despite similar antiglioma activity in vitro, ABX extended survival over CrEL-PTX and untreated control mice with orthotropic PDX. Ultrasound-mediated BBB disruption enhanced paclitaxel brain concentration by 3- to 5-fold for both formulations and further augmented the therapeutic benefit of ABX. Repeated courses of LIPU-delivered CrEL-PTX and CrEL alone were lethal in 42% and 37.5% of mice, respectively, whereas similar delivery of ABX at an equivalent dose was well tolerated. CONCLUSIONS Ultrasound delivery of paclitaxel across the BBB is a feasible and effective treatment for glioma. ABX is the preferred formulation for further investigation in the clinical setting due to its superior brain penetration and tolerability compared with CrEL-PTX.
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Affiliation(s)
- Daniel Y Zhang
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Crismita Dmello
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Li Chen
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Victor A Arrieta
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,PECEM, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Edgar Gonzalez-Buendia
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - J Robert Kane
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Lisa P Magnusson
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Aneta Baran
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - C David James
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Craig Horbinski
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Alexandre Carpentier
- Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié-Salpêtrière, Service de Neurochirurgie, Paris, France.,Sorbonne Université, UPMC Univ Paris 06, Paris, France
| | - Carole Desseaux
- CarThera, Institut du Cerveau et de la Moelle épinière (ICM), Paris, France
| | - Michael Canney
- CarThera, Institut du Cerveau et de la Moelle épinière (ICM), Paris, France
| | - Miguel Muzzio
- Life Sciences Group, IIT Research Institute, Chicago, Illinois
| | - Roger Stupp
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,Lou and Jean Malnati Brain Tumor Institute, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Illinois
| | - Adam M Sonabend
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois. .,Lou and Jean Malnati Brain Tumor Institute, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Illinois
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Ung TH, Robinson LC, Nevzati E, Harasaki Y, Ormond DR, Lillehei KO, Witt JP, Finn M. Use of intraoperative sodium fluorescein for diagnostic tissue biopsy of spinal cord lesions. INTERDISCIPLINARY NEUROSURGERY 2019. [DOI: 10.1016/j.inat.2019.100541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Dijkstra BM, Jeltema HRJR, Kruijff S, Groen RJM. The application of fluorescence techniques in meningioma surgery-a review. Neurosurg Rev 2019; 42:799-809. [PMID: 30519770 PMCID: PMC6821664 DOI: 10.1007/s10143-018-01062-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/11/2018] [Accepted: 11/23/2018] [Indexed: 12/27/2022]
Abstract
Surgical resections of meningiomas, the most common intracranial tumor in adults, can only be curative if radical resection is achieved. Potentially, the extent of resection could be improved, especially in complex and/or high-grade meningiomas by fluorescence-guided surgery using 5-aminolevulinic acid (5-ALA), indocyanine green (ICG), or fluorescein. This review aims to summarize and evaluate these fluorescence-guided meningioma surgery techniques. PubMed and Embase were searched for relevant articles. Additionally, we checked reference lists for further studies. Forty-eight articles were included in the final analysis. 5-ALA fluoresced with varying sensitivity and selectivity in meningiomas and in invaded bone and dura mater. Although ICG was mainly applied for video angiography, one report shows tumor fluorescence 18-28 h post-ICG injection. Lastly, the use of fluorescein could aid in the identification of tumor remnants; however, detection of dural tail is highly questionable. Fluorescence-guided meningioma surgery should be a reliable, highly specific, and sensitive technique. Despite numerous studies reporting the use of fluorescent dyes, currently, there is no evidence that these tools improve the radical resection rate and long-term recurrence-free outcome in meningioma surgery without neurological deficits. Evidence regarding the effectiveness and increased safety of resection after the application of these fluorophores is currently lacking. Future research should focus on the development of a meningioma-targeted, highly sensitive, and specific fluorophore.
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Affiliation(s)
- Bianca M Dijkstra
- Department of Neurosurgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - Hanne-Rinck J R Jeltema
- Department of Neurosurgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - Schelto Kruijff
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Rob J M Groen
- Department of Neurosurgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
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