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Begley SL, McBriar JD, Pelcher I, Schulder M. Intraoperative MRI: A Review of Applications Across Neurosurgical Specialties. Neurosurgery 2024; 95:527-536. [PMID: 38530004 DOI: 10.1227/neu.0000000000002933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/30/2024] [Indexed: 03/27/2024] Open
Abstract
Intraoperative MRI (iMRI) made its debut to great fanfare in the mid-1990s. However, the enthusiasm for this technology with seemingly obvious benefits for neurosurgeons has waned. We review the benefits and utility of iMRI across the field of neurosurgery and present an overview of the evidence for iMRI for multiple neurosurgical disciplines: tumor, skull base, vascular, pediatric, functional, and spine. Publications on iMRI have steadily increased since 1996, plateauing with approximately 52 publications per year since 2011. Tumor surgery, especially glioma surgery, has the most evidence for the use of iMRI contributing more than 50% of all iMRI publications, with increased rates of gross total resection in both adults and children, providing a potential survival benefit. Across multiple neurosurgical disciplines, the ability to use a multitude of unique sequences (diffusion tract imaging, diffusion-weighted imaging, magnetic resonance angiography, blood oxygenation level-dependent) allows for specialization of imaging for various types of surgery. Generally, iMRI allows for consideration of anatomic changes and real-time feedback on surgical outcomes such as extent of resection and instrument (screw, lead, electrode) placement. However, implementation of iMRI is limited by cost and feasibility, including the need for installation, shielding, and compatible tools. Evidence for iMRI use varies greatly by specialty, with the most evidence for tumor, vascular, and pediatric neurosurgery. The benefits of real-time anatomic imaging, a lack of radiation, and evaluation of surgical outcomes are limited by the cost and difficulty of iMRI integration. Nonetheless, the ability to ensure patients are provided by a maximal yet safe treatment that specifically accounts for their own anatomy and highlights why iMRI is a valuable and underutilized tool across multiple neurosurgical subspecialties.
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Affiliation(s)
- Sabrina L Begley
- Department of Neurosurgery, Brain Tumor Center, Lake Success , New York , USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead , New York , USA
| | - Joshua D McBriar
- Department of Neurosurgery, Brain Tumor Center, Lake Success , New York , USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead , New York , USA
| | - Isabelle Pelcher
- Department of Neurosurgery, Brain Tumor Center, Lake Success , New York , USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead , New York , USA
| | - Michael Schulder
- Department of Neurosurgery, Brain Tumor Center, Lake Success , New York , USA
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead , New York , USA
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Brugada-Bellsolà F, Rodríguez PT, González-Crespo A, Menéndez-Girón S, Panisello CH, Garcia-Armengol R, Alonso CJD. Intraoperative ultrasound and magnetic resonance comparative analysis in brain tumor surgery: a valuable tool to flatten ultrasound's learning curve. Acta Neurochir (Wien) 2024; 166:337. [PMID: 39138764 DOI: 10.1007/s00701-024-06228-2] [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: 07/12/2024] [Accepted: 08/08/2024] [Indexed: 08/15/2024]
Abstract
BACKGROUND Intraoperative ultrasound (IOUS) is a profitable tool for neurosurgical procedures' assistance, especially in neuro-oncology. It is a rapid, ergonomic and reproducible technique. However, its known handicap is a steep learning curve for neurosurgeons. Here, we describe an interesting postoperative analysis that provides extra feedback after surgery, accelerating the learning process. METHOD We conducted a descriptive retrospective unicenter study including patients operated from intra-axial brain tumors using neuronavigation (Curve, Brainlab) and IOUS (BK-5000, BK medical) guidance. All patients had preoperative Magnetic Resonance Imaging (MRI) prior to tumor resection. During surgery, 3D neuronavigated IOUS studies (n3DUS) were obtained through craniotomy N13C5 transducer's integration to the neuronavigation system. At least two n3DUS studies were obtained: prior to tumor resection and at the resection conclusion. A postoperative MRI was performed within 48 h. MRI and n3DUS studies were posteriorly fused and analyzed with Elements (Brainlab) planning software, permitting two comparative analyses: preoperative MRI compared to pre-resection n3DUS and postoperative MRI to post-resection n3DUS. Cases with incomplete MRI or n3DUS studies were withdrawn from the study. RESULTS From April 2022 to March 2024, 73 patients were operated assisted by IOUS. From them, 39 were included in the study. Analyses comparing preoperative MRI and pre-resection n3DUS showed great concordance of tumor volume (p < 0,001) between both modalities. Analysis comparing postoperative MRI and post-resection n3DUS also showed good concordance in residual tumor volume (RTV) in cases where gross total resection (GTR) was not achieved (p < 0,001). In two cases, RTV detected on MRI that was not detected intra-operatively with IOUS could be reviewed in detail to recheck its appearance. CONCLUSIONS Post-operative comparative analyses between IOUS and MRI is a valuable tool for novel ultrasound users, as it enhances the amount of feedback provided by cases and could accelerate the learning process, flattening this technique's learning curve.
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Affiliation(s)
- Ferran Brugada-Bellsolà
- Department of Neurological Surgery, Germans Trias I Pujol University Hospital, Ctra del Canyet Sn, 08916, Barcelona, CP, Spain.
| | - Pilar Teixidor Rodríguez
- Department of Neurological Surgery, Germans Trias I Pujol University Hospital, Ctra del Canyet Sn, 08916, Barcelona, CP, Spain
| | - Antonio González-Crespo
- Department of Neurological Surgery, Germans Trias I Pujol University Hospital, Ctra del Canyet Sn, 08916, Barcelona, CP, Spain
| | - Sebastián Menéndez-Girón
- Department of Neurological Surgery, Germans Trias I Pujol University Hospital, Ctra del Canyet Sn, 08916, Barcelona, CP, Spain
| | - Cristina Hostalot Panisello
- Department of Neurological Surgery, Germans Trias I Pujol University Hospital, Ctra del Canyet Sn, 08916, Barcelona, CP, Spain
| | - Roser Garcia-Armengol
- Department of Neurological Surgery, Germans Trias I Pujol University Hospital, Ctra del Canyet Sn, 08916, Barcelona, CP, Spain
| | - Carlos J Domínguez Alonso
- Department of Neurological Surgery, Germans Trias I Pujol University Hospital, Ctra del Canyet Sn, 08916, Barcelona, CP, Spain
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Fusco JC, Abdelhafeez AH, Krauel L, Honeyman JN, Ehrlich PF, Wijnen M, Lautz TB, Pachl M, Malek MM. Imaging adjuvants in pediatric surgical oncology. Pediatr Blood Cancer 2024:e31241. [PMID: 39101518 DOI: 10.1002/pbc.31241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 08/06/2024]
Abstract
Surgery is a crucial component of pediatric cancer treatment, but conventional methods may lack precision. Image-guided surgery, including fluorescent and radioguided techniques, offers promise for enhancing tumor localization and facilitating precise resection. Intraoperative molecular imaging utilizes agents like indocyanine green to direct surgeons to occult deposits of tumor and to delineate tumor margins. Next-generation agents target tumors directly to improve specificity. Radioguided surgery, employing tracers like metaiodobenzylguanidine (MIBG), complements fluorescent techniques by allowing for detection of tumors at a greater depth. Dual-labeled agents combining both modalities are under development. Three-dimensional modeling and virtual/augmented reality aid in preoperative planning and intraoperative guidance. The above techniques show great promise to benefit patients with pediatric tumors, and their continued development will almost certainly improve surgical outcomes.
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Affiliation(s)
- Joseph C Fusco
- Department of Pediatric Surgery, Monroe Carell Jr. Children's Hospital, Vanderbilt University, Nashville, Tennessee, USA
| | | | - Lucas Krauel
- Department of Surgery, St. Joan de Deu Barcelona Children's Hospital, Barcelona, Spain
| | - Joshua N Honeyman
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Peter F Ehrlich
- Division of Pediatric Surgery, C.S. Mott Children's Hospital, University of Michigan, Ann Arbor, Michigan, USA
| | - Marc Wijnen
- Department of Pediatric Surgery, Princess Maxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Timothy B Lautz
- Department of Surgery, Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University, Chicago, Illinois, USA
| | - Maximillian Pachl
- Department of Surgery, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
| | - Marcus M Malek
- Division of Pediatric General and Thoracic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Kim H, Liu M, Choi Y. Quenched Zwitterionic Cyclic Arg-Gly-Asp-Containing Pentapeptide Probe for Real-Time Brain Tumor Imaging. Pharmaceutics 2024; 16:1034. [PMID: 39204379 PMCID: PMC11360280 DOI: 10.3390/pharmaceutics16081034] [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: 07/10/2024] [Revised: 07/26/2024] [Accepted: 08/01/2024] [Indexed: 09/04/2024] Open
Abstract
The efficacy of glioblastoma treatment is closely associated with complete tumor resection. However, conventional surgical techniques often result in incomplete removal, leading to poor prognosis. A major challenge is the accurate delineation of tumor margins from healthy tissues. Imaging-guided surgery, particularly using fluorescent probes, is a promising solution for intraoperative guidance. The recently developed 'always-on' types of targeted fluorescence probes generate signals irrespective of their presence in tumor cells or in blood circulation, hampering their effectiveness. Here, we propose a novel activatable fluorescence imaging probe, Q-cRGD, that targets glioma cells via the specific binding of the cyclic Arg-Gly Asp-containing pentapeptide (cRGD) to integrins. The Q-cRGD probe was synthesized by conjugating a near-infrared (NIR) dye to a tryptophan quencher via a disulfide linkage, including a cRGD-targeting ligand. This activatable probe remained inactive until the redox-responsive cleavage of the disulfide linkage occurred within the target cell. The zwitterionic nature of NIR dyes minimizes nonspecific interactions with serum proteins, thereby enhancing the tumor-to-background signal ratio (TBR). An in vivo fluorescence imaging study demonstrated a TBR value of 2.65 within 3 h of the intravenous injection of Q-cRGD, confirming its potential utility in imaging-guided brain cancer surgery.
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Affiliation(s)
| | | | - Yongdoo Choi
- Division of Technology Convergence, National Cancer Center, 323 Ilsan-ro, Goyang 10408, Republic of Korea; (H.K.); (M.L.)
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Weld A, Dixon L, Anichini G, Patel N, Nimer A, Dyck M, O'Neill K, Lim A, Giannarou S, Camp S. Challenges with segmenting intraoperative ultrasound for brain tumours. Acta Neurochir (Wien) 2024; 166:317. [PMID: 39090435 PMCID: PMC11294268 DOI: 10.1007/s00701-024-06179-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Accepted: 06/22/2024] [Indexed: 08/04/2024]
Abstract
Objective - Addressing the challenges that come with identifying and delineating brain tumours in intraoperative ultrasound. Our goal is to both qualitatively and quantitatively assess the interobserver variation, amongst experienced neuro-oncological intraoperative ultrasound users (neurosurgeons and neuroradiologists), in detecting and segmenting brain tumours on ultrasound. We then propose that, due to the inherent challenges of this task, annotation by localisation of the entire tumour mass with a bounding box could serve as an ancillary solution to segmentation for clinical training, encompassing margin uncertainty and the curation of large datasets. Methods - 30 ultrasound images of brain lesions in 30 patients were annotated by 4 annotators - 1 neuroradiologist and 3 neurosurgeons. The annotation variation of the 3 neurosurgeons was first measured, and then the annotations of each neurosurgeon were individually compared to the neuroradiologist's, which served as a reference standard as their segmentations were further refined by cross-reference to the preoperative magnetic resonance imaging (MRI). The following statistical metrics were used: Intersection Over Union (IoU), Sørensen-Dice Similarity Coefficient (DSC) and Hausdorff Distance (HD). These annotations were then converted into bounding boxes for the same evaluation. Results - There was a moderate level of interobserver variance between the neurosurgeons [ I o U : 0.789 , D S C : 0.876 , H D : 103.227 ] and a larger level of variance when compared against the MRI-informed reference standard annotations by the neuroradiologist, mean across annotators [ I o U : 0.723 , D S C : 0.813 , H D : 115.675 ] . After converting the segments to bounding boxes, all metrics improve, most significantly, the interquartile range drops by [ I o U : 37 % , D S C : 41 % , H D : 54 % ] . Conclusion - This study highlights the current challenges with detecting and defining tumour boundaries in neuro-oncological intraoperative brain ultrasound. We then show that bounding box annotation could serve as a useful complementary approach for both clinical and technical reasons.
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Affiliation(s)
- Alistair Weld
- Hamlyn Centre, Imperial College London, Exhibition Rd, London, SW7 2AZ, UK.
| | - Luke Dixon
- Department of Imaging, Charing Cross Hospital, Fulham Palace Rd, London, W6 8RF, UK
| | - Giulio Anichini
- Department of Neurosurgery, Charing Cross Hospital, Fulham Palace Rd, W6 8RF, London, UK
| | - Neekhil Patel
- Department of Neurosurgery, Charing Cross Hospital, Fulham Palace Rd, W6 8RF, London, UK
| | - Amr Nimer
- Department of Neurosurgery, Charing Cross Hospital, Fulham Palace Rd, W6 8RF, London, UK
| | - Michael Dyck
- School of Computation, Information and Technology, Technical University of Munich, Boltzmannstr. 3, Garching, 85748, Germany
| | - Kevin O'Neill
- Department of Neurosurgery, Charing Cross Hospital, Fulham Palace Rd, W6 8RF, London, UK
| | - Adrian Lim
- Department of Imaging, Charing Cross Hospital, Fulham Palace Rd, London, W6 8RF, UK
| | - Stamatia Giannarou
- Hamlyn Centre, Imperial College London, Exhibition Rd, London, SW7 2AZ, UK
| | - Sophie Camp
- Department of Neurosurgery, Charing Cross Hospital, Fulham Palace Rd, W6 8RF, London, UK
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West TR, Mazurek MH, Perez NA, Razak SS, Gal ZT, McHugh JM, Choi BD, Nahed BV. Navigated Intraoperative Ultrasound Offers Effective and Efficient Real-Time Analysis of Intracranial Tumor Resection and Brain Shift. Oper Neurosurg (Hagerstown) 2024:01787389-990000000-01250. [PMID: 38995025 DOI: 10.1227/ons.0000000000001250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 05/01/2024] [Indexed: 07/13/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Neuronavigation is a fundamental tool in the resection of intracranial tumors. However, it is limited by its calibration to preoperative neuroimaging, which loses accuracy intraoperatively after brain shift. Therefore, surgeons rely on anatomic landmarks or tools like intraoperative MRI to assess the extent of tumor resection (EOR) and update neuronavigation. Recent studies demonstrate that intraoperative ultrasound (iUS) provides point-of-care imaging without the cost or resource utilization of an intraoperative MRI, and advances in neuronavigation-guided iUS provide an opportunity for real-time imaging overlaid with neuronavigation to account for brain shift. We assessed the feasibility, efficacy, and benefits of navigated iUS to assess the EOR and restore stereotactic accuracy in neuronavigation after brain shift. METHODS This prospective single-center study included patients presenting with intracranial tumors (gliomas, metastasis) to an academic medical center. Navigated iUS images were acquired preresection, midresection, and postresection. The EOR was determined by the surgeon intraoperatively and compared with the postoperative MRI report by an independent neuroradiologist. Outcome measures included time to perform the iUS sweep, time to process ultrasound images, and EOR predicted by the surgeon intraoperatively compared with the postoperative MRI. RESULTS This study included 40 patients consisting of gliomas (n = 18 high-grade gliomas, n = 4 low-grade gliomas, n = 4 recurrent) and metastasis (n = 18). Navigated ultrasound sweeps were performed in all patients (n = 83) with a median time to perform of 5.5 seconds and a median image processing time of 29.9 seconds. There was 95% concordance between the surgeon's and neuroradiologist's determination of EOR using navigated iUS and postoperative MRI, respectively. The sensitivity was 100%, and the specificity was 94%. CONCLUSION Navigated iUS was successfully used for EOR determination in glioma and metastasis resection. Incorporating navigated iUS into the surgical workflow is safe and efficient and provides a real-time assessment of EOR while accounting for brain shift in intracranial tumor surgeries.
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Affiliation(s)
- Timothy R West
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | | | | | | | - Jeffrey M McHugh
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Bryan D Choi
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Brian V Nahed
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
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Pesce A, Palmieri M, Pietrantonio A, Ciarlo S, Salvati M, Pompucci A. Resection of supratentorial high-grade gliomas availing of neuronavigation matched intraoperative ultrasound and Fluorescein: How far is it safe to push the resection? World Neurosurg X 2024; 23:100379. [PMID: 38645511 PMCID: PMC11027571 DOI: 10.1016/j.wnsx.2024.100379] [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: 05/02/2023] [Revised: 03/30/2024] [Accepted: 04/02/2024] [Indexed: 04/23/2024] Open
Abstract
Background High-Grade Gliomas are the most common primary brain malignancies and despite the multimodal treatment, and the increasing amount of adjuvant treatment options the overall prognosis remains dismal. The present investigation aims to analyze the safety profile of the use of intraoperative ultrasounds (Io-US) in a homogeneous and matched cohort of patients suffering from High-grade gliomas (HGG) operated on with or without the aid of Io-US and Fluorescein in specific relation to the incidence of neurological and functional status sequelae. Methods and materials A retrospective analysis was performed on 74 patients affected by HGG. 22 patients were treated with Io-US matched with neuronavigational system (Group A); 15 patients were treated both with the use of Io-US and Fluorescein matched with neuronavigational system (Group B); 37 patients were treated with the use of the neuronavigational system only (Group C). Primary endpoints were the extent of resection and functional outcome (measured with Karnofski Performance Status). Results Significative differences were observed in terms of a higher extent of resection in Group B. In a multivariate analysis, this data appears to be independent of the location (eloquent/non-eloquent) of the lesion and from its histology. Regarding functional outcomes, no differences were detected between the two groups. Conclusions The present study is the first that analyzes the simultaneous use of Io-US and Fluorescein, and the results demonstrate that these two instruments together could improve the extent of resection in HGG while ensuring good outcomes in terms of functional status.
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Affiliation(s)
- Alessandro Pesce
- A.O. “Santa Maria Goretti”, Neurosurgery Division - Latina, Via Lucia Scaravelli, 04100, Latina, LT, Italy
| | - Mauro Palmieri
- Università“La Sapienza” di Roma, Neurosurgery Division - Roma, Viale del Policlinico 155, 00161, Roma, RM, Italy
| | - Andrea Pietrantonio
- A.O. “Santa Maria Goretti”, Neurosurgery Division - Latina, Via Lucia Scaravelli, 04100, Latina, LT, Italy
| | - Silvia Ciarlo
- A.O. “Santa Maria Goretti”, Neurosurgery Division - Latina, Via Lucia Scaravelli, 04100, Latina, LT, Italy
| | - Maurizio Salvati
- Department of Neurosurgery, Policlinico “Tor Vergata”, University of Rome “Tor Vergata”, 00133, Rome, RM, Italy
| | - Angelo Pompucci
- A.O. “Santa Maria Goretti”, Neurosurgery Division - Latina, Via Lucia Scaravelli, 04100, Latina, LT, Italy
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Nguyen TTT, Greene LA, Mnatsakanyan H, Badr CE. Revolutionizing Brain Tumor Care: Emerging Technologies and Strategies. Biomedicines 2024; 12:1376. [PMID: 38927583 PMCID: PMC11202201 DOI: 10.3390/biomedicines12061376] [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: 05/09/2024] [Revised: 06/16/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
Glioblastoma multiforme (GBM) is one of the most aggressive forms of brain tumor, characterized by a daunting prognosis with a life expectancy hovering around 12-16 months. Despite a century of relentless research, only a select few drugs have received approval for brain tumor treatment, largely due to the formidable barrier posed by the blood-brain barrier. The current standard of care involves a multifaceted approach combining surgery, irradiation, and chemotherapy. However, recurrence often occurs within months despite these interventions. The formidable challenges of drug delivery to the brain and overcoming therapeutic resistance have become focal points in the treatment of brain tumors and are deemed essential to overcoming tumor recurrence. In recent years, a promising wave of advanced treatments has emerged, offering a glimpse of hope to overcome the limitations of existing therapies. This review aims to highlight cutting-edge technologies in the current and ongoing stages of development, providing patients with valuable insights to guide their choices in brain tumor treatment.
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Affiliation(s)
- Trang T. T. Nguyen
- Ronald O. Perelman Department of Dermatology, Perlmutter Cancer Center, NYU Grossman School of Medicine, NYU Langone Health, New York, NY 10016, USA
| | - Lloyd A. Greene
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032, USA;
| | - Hayk Mnatsakanyan
- Department of Neurology, Massachusetts General Hospital, Neuroscience Program, Harvard Medical School, Boston, MA 02129, USA; (H.M.); (C.E.B.)
| | - Christian E. Badr
- Department of Neurology, Massachusetts General Hospital, Neuroscience Program, Harvard Medical School, Boston, MA 02129, USA; (H.M.); (C.E.B.)
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Palavani LB, Ferreira MY, Borges PGLB, Bandeira L, da Silva Semione G, Almeida MV, Verly G, Polverini AD, Andreão FF, Camerotte R, Ferreira CC, Paiva W, Bertani R, Boockvar J. Ultrasound-Guided Resection of High-Grade Gliomas: A Single-Arm Meta-Analysis. World Neurosurg 2024; 186:17-26. [PMID: 38490442 DOI: 10.1016/j.wneu.2024.03.033] [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: 03/01/2024] [Accepted: 03/07/2024] [Indexed: 03/17/2024]
Abstract
BACKGROUND High-grade gliomas (HGGs) present a challenge in neuro-oncology, often necessitating surgical resection for optimal management. Ultrasound holds promise in achieving better gross total resection (GTR) and improving outcomes. This meta-analysis systematically evaluates literature providing robust evidence on the use of intraoperative ultrasonography (iUSG) in HGG resection. METHODS Following Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines a comprehensive search was made across PubMed, Embase, Cochrane, and Web of Science utilized terms related to iUSG for HGG resection. The meta-analysis examined randomized trials and observational cohort studies on iUSG-guided HGG resection. GTR, subtotal resection, and postresection complications were assessed. Statistical analysis, employing R software for a single proportion analysis with confidence intervals of 95%, I2 statistics for heterogeneity, and the instrumental variables method with restricted maximum likelihood for a random effects model. RESULTS A total of 178 patients were included in our study. The GTR overall rate in patients with iUSG-guided resection was found to be 64% (95% confidence interval: 46%-81%). Two-dimensional ultrasound remains dominant at 80% against other options of ultrasound. Complications were reported at a 15% rate (95% confidence interval: 7%-23%). CONCLUSIONS Our study provided robust data on the utilization of iUSG-guided resection regarding the attainment of GTR and the complications related to resection. However, challenges such as outcome heterogeneity and limited complication reporting highlight the need for further research to optimize iUSG in HGG treatment. Long-term follow-up studies on patient survival and postsurgery quality of life will complement existing literature, guiding clinical practices in managing HGG.
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Affiliation(s)
- Lucca B Palavani
- Department of Neurosurgery, Max Planck University Center, São Paulo, Brazil.
| | | | - Pedro G L B Borges
- Department of Neurosurgery, Fundação Técnico-Educacional Souza Marques, Rio de Janeiro, Brazil
| | - Luis Bandeira
- Department of Neurosurgery, University of Pernambuco, Recife, Brazil
| | | | - Miguel V Almeida
- Department of Neurosurgery, State University of Ceará, Fortaleza, Brazil
| | - Gabriel Verly
- Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Filipi Fim Andreão
- Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Raphael Camerotte
- Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Wellingson Paiva
- Department of Neurosurgery, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Raphael Bertani
- Department of Neurosurgery, University of Sao Paulo Medical School, São Paulo, Brazil
| | - John Boockvar
- Department of Neurosurgery, Lenox Hill Hospital, New York, New York, USA
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Bopp MHA, Grote A, Gjorgjevski M, Pojskic M, Saß B, Nimsky C. Enabling Navigation and Augmented Reality in the Sitting Position in Posterior Fossa Surgery Using Intraoperative Ultrasound. Cancers (Basel) 2024; 16:1985. [PMID: 38893106 PMCID: PMC11171013 DOI: 10.3390/cancers16111985] [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: 04/03/2024] [Revised: 05/09/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024] Open
Abstract
Despite its broad use in cranial and spinal surgery, navigation support and microscope-based augmented reality (AR) have not yet found their way into posterior fossa surgery in the sitting position. While this position offers surgical benefits, navigation accuracy and thereof the use of navigation itself seems limited. Intraoperative ultrasound (iUS) can be applied at any time during surgery, delivering real-time images that can be used for accuracy verification and navigation updates. Within this study, its applicability in the sitting position was assessed. Data from 15 patients with lesions within the posterior fossa who underwent magnetic resonance imaging (MRI)-based navigation-supported surgery in the sitting position were retrospectively analyzed using the standard reference array and new rigid image-based MRI-iUS co-registration. The navigation accuracy was evaluated based on the spatial overlap of the outlined lesions and the distance between the corresponding landmarks in both data sets, respectively. Image-based co-registration significantly improved (p < 0.001) the spatial overlap of the outlined lesion (0.42 ± 0.30 vs. 0.65 ± 0.23) and significantly reduced (p < 0.001) the distance between the corresponding landmarks (8.69 ± 6.23 mm vs. 3.19 ± 2.73 mm), allowing for the sufficient use of navigation and AR support. Navigated iUS can therefore serve as an easy-to-use tool to enable navigation support for posterior fossa surgery in the sitting position.
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Affiliation(s)
- Miriam H. A. Bopp
- Department of Neurosurgery, University of Marburg, Baldingerstrasse, 35043 Marburg, Germany; (A.G.); (M.G.); (M.P.); (B.S.); (C.N.)
- Center for Mind, Brain and Behavior (CMBB), 35043 Marburg, Germany
| | - Alexander Grote
- Department of Neurosurgery, University of Marburg, Baldingerstrasse, 35043 Marburg, Germany; (A.G.); (M.G.); (M.P.); (B.S.); (C.N.)
| | - Marko Gjorgjevski
- Department of Neurosurgery, University of Marburg, Baldingerstrasse, 35043 Marburg, Germany; (A.G.); (M.G.); (M.P.); (B.S.); (C.N.)
| | - Mirza Pojskic
- Department of Neurosurgery, University of Marburg, Baldingerstrasse, 35043 Marburg, Germany; (A.G.); (M.G.); (M.P.); (B.S.); (C.N.)
| | - Benjamin Saß
- Department of Neurosurgery, University of Marburg, Baldingerstrasse, 35043 Marburg, Germany; (A.G.); (M.G.); (M.P.); (B.S.); (C.N.)
| | - Christopher Nimsky
- Department of Neurosurgery, University of Marburg, Baldingerstrasse, 35043 Marburg, Germany; (A.G.); (M.G.); (M.P.); (B.S.); (C.N.)
- Center for Mind, Brain and Behavior (CMBB), 35043 Marburg, Germany
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Burström G, Amini M, El-Hajj VG, Arfan A, Gharios M, Buwaider A, Losch MS, Manni F, Edström E, Elmi-Terander A. Optical Methods for Brain Tumor Detection: A Systematic Review. J Clin Med 2024; 13:2676. [PMID: 38731204 PMCID: PMC11084501 DOI: 10.3390/jcm13092676] [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: 04/11/2024] [Revised: 04/28/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024] Open
Abstract
Background: In brain tumor surgery, maximal tumor resection is typically desired. This is complicated by infiltrative tumor cells which cannot be visually distinguished from healthy brain tissue. Optical methods are an emerging field that can potentially revolutionize brain tumor surgery through intraoperative differentiation between healthy and tumor tissues. Methods: This study aimed to systematically explore and summarize the existing literature on the use of Raman Spectroscopy (RS), Hyperspectral Imaging (HSI), Optical Coherence Tomography (OCT), and Diffuse Reflectance Spectroscopy (DRS) for brain tumor detection. MEDLINE, Embase, and Web of Science were searched for studies evaluating the accuracy of these systems for brain tumor detection. Outcome measures included accuracy, sensitivity, and specificity. Results: In total, 44 studies were included, covering a range of tumor types and technologies. Accuracy metrics in the studies ranged between 54 and 100% for RS, 69 and 99% for HSI, 82 and 99% for OCT, and 42 and 100% for DRS. Conclusions: This review provides insightful evidence on the use of optical methods in distinguishing tumor from healthy brain tissue.
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Affiliation(s)
- Gustav Burström
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
| | - Misha Amini
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
| | - Victor Gabriel El-Hajj
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
| | - Arooj Arfan
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
| | - Maria Gharios
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
| | - Ali Buwaider
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
| | - Merle S. Losch
- Department of Biomechanical Engineering, Faculty of Mechanical Engineering, Delft University of Technology, 2627 Delft, The Netherlands
| | - Francesca Manni
- Department of Electrical Engineering, Eindhoven University of Technology (TU/e), 5612 Eindhoven, The Netherlands;
| | - Erik Edström
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
- Capio Spine Center Stockholm, Löwenströmska Hospital, 194 80 Upplands-Väsby, Sweden
- Department of Medical Sciences, Örebro University, 701 85 Örebro, Sweden
| | - Adrian Elmi-Terander
- Department of Clinical Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; (G.B.); (M.A.); (A.A.); (M.G.); (A.B.); (E.E.)
- Capio Spine Center Stockholm, Löwenströmska Hospital, 194 80 Upplands-Väsby, Sweden
- Department of Medical Sciences, Örebro University, 701 85 Örebro, Sweden
- Department of Surgical Sciences, Uppsala University, 751 35 Uppsala, Sweden
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12
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Apra C, Bemora JS, Palfi S. Achieving Gross Total Resection in Neurosurgery: A Review of Intraoperative Techniques and Their Influence on Surgical Goals. World Neurosurg 2024; 185:246-253. [PMID: 38431211 DOI: 10.1016/j.wneu.2024.02.128] [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: 02/16/2024] [Accepted: 02/23/2024] [Indexed: 03/05/2024]
Abstract
The definition of complete resection in neurosurgery depends on tumor type, surgical aims, and postoperative investigations, directly guiding the choice of intraoperative tools. Most common tumor types present challenges in achieving complete resection due to their infiltrative nature and anatomical constraints. The development of adjuvant treatments has altered the balance between oncological aims and surgical risks. We review local recurrence associated with incomplete resection based on different definitions and emphasize the importance of achieving maximal safe resection in all tumor types. Intraoperative techniques that aid surgeons in identifying tumor boundaries are used in practice and in preclinical or clinical research settings. They encompass both conservative and invasive techniques. Among them, morphological tools include imaging modalities such as intraoperative magnetic resonance imaging, ultrasound, and optical coherence tomography. Fluorescence-guided surgery, mainly using 5-aminolevulinic acid, enhances gross total resection in glioblastomas. Nuclear methods, including positron emission tomography probes, provide tumor detection based on beta or gamma emission after a radiotracer injection. Mass spectrometry- and spectroscopy-based methods offer molecular insights. The adoption of these techniques depends on their relevance, effectiveness, and feasibility. With the emergence of positron emission tomography imaging for use in recurrence benchmarking, positron emission tomography probes raise particular interest among those tools. While all such tools provide valuable insights, their clinical benefits need further evaluation.
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Affiliation(s)
- Caroline Apra
- Department of Neurosurgery, Henri Mondor University Hospital, Créteil, France; Institut Mondor de Recherche Biomédicale, Biotherapies Department, INSERM U955, Créteil, France; Faculté de Santé, Université Paris-Est Créteil, Créteil, France.
| | - Joseph Synèse Bemora
- Department of Neurosurgery, Henri Mondor University Hospital, Créteil, France; Department of Neurosurgery, Joseph Ravoahangy Andrianavalona Hospital, Antananarivo University, Antananarivo, Madagascar
| | - Stéphane Palfi
- Department of Neurosurgery, Henri Mondor University Hospital, Créteil, France; Institut Mondor de Recherche Biomédicale, Biotherapies Department, INSERM U955, Créteil, France; Faculté de Santé, Université Paris-Est Créteil, Créteil, France
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13
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Fritch C, Church E, Wilkinson DA. Advances in Intraoperative Imaging for Vascular Neurosurgery. Neuroimaging Clin N Am 2024; 34:261-270. [PMID: 38604710 DOI: 10.1016/j.nic.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Cerebrovascular surgery has many intraoperative imaging modalities available. Modern technologies include intraoperative digital subtraction angiogram, indocyanine green (ICG) angiography, relative fluorescent measurement with ICG, and ultrasound. Each of these can be used effectively in the treatment of open aneurysm and arteriovenous malformation surgeries, in addition to arteriovenous fistula surgery, and cerebral bypass surgery.
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Affiliation(s)
- Chanju Fritch
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, 500 University Drive, Hershey, PA 17033, USA
| | - Ephraim Church
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, 500 University Drive, Hershey, PA 17033, USA
| | - David Andrew Wilkinson
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, 500 University Drive, Hershey, PA 17033, USA.
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14
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Honeyman SI, Owen WJ, Mier J, Marks K, Dassanyake SN, Wood MJ, Fairhead R, Martinez-Soler P, Jasem H, Yarlagadda A, Roach JR, Boukas A, Stacey R, Apostolopoulos V, Plaha P. Multiple surgical resections for progressive IDH wildtype glioblastoma-is it beneficial? Acta Neurochir (Wien) 2024; 166:138. [PMID: 38488994 PMCID: PMC10943163 DOI: 10.1007/s00701-024-06025-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: 10/23/2023] [Accepted: 02/26/2024] [Indexed: 03/17/2024]
Abstract
PURPOSE The role of repeat resection for recurrent glioblastoma (rGB) remains equivocal. This study aims to assess the overall survival and complications rates of single or repeat resection for rGB. METHODS A single-centre retrospective review of all patients with IDH-wildtype glioblastoma managed surgically, between January 2014 and January 2022, was carried out. Patient survival and factors influencing prognosis were analysed, using Kaplan-Meier and Cox regression methods. RESULTS Four hundred thirty-two patients were included, of whom 329 underwent single resection, 83 had two resections and 20 patients underwent three resections. Median OS (mOS) in the cohort who underwent a single operation was 13.7 months (95% CI: 12.7-14.7 months). The mOS was observed to be extended in patients who underwent second or third-time resection, at 22.9 months and 44.7 months respectively (p < 0.001). On second operation achieving > 95% resection or residual tumour volume of < 2.25 cc was significantly associated with prolonged survival. There was no significant difference in overall complication rates between primary versus second (p = 0.973) or third-time resections (p = 0.312). The use of diffusion tensor imaging (DTI) guided resection was associated with reduced post-operative neurological deficit (RR 0.37, p = 0.002), as was use of intraoperative ultrasound (iUSS) (RR 0.45, p = 0.04). CONCLUSIONS This study demonstrates potential prolongation of survival for rGB patients undergoing repeat resection, without significant increase in complication rates with repeat resections. Achieving a more complete repeat resection improved survival. Moreover, the use of intraoperative imaging adjuncts can maximise tumour resection, whilst minimising the risk of neurological deficit.
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Affiliation(s)
- Susan Isabel Honeyman
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.
| | - William J Owen
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Juan Mier
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Katya Marks
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Sohani N Dassanyake
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Matthew J Wood
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Rory Fairhead
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Pablo Martinez-Soler
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Hussain Jasem
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Ananya Yarlagadda
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Joy R Roach
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Alexandros Boukas
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Richard Stacey
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | | | - Puneet Plaha
- Department of Neurosurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
- Nuffield Department of Surgery, University of Oxford, Oxford, UK
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
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15
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Eleni Karakatsani M, Estrada H, Chen Z, Shoham S, Deán-Ben XL, Razansky D. Shedding light on ultrasound in action: Optical and optoacoustic monitoring of ultrasound brain interventions. Adv Drug Deliv Rev 2024; 205:115177. [PMID: 38184194 PMCID: PMC11298795 DOI: 10.1016/j.addr.2023.115177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/27/2023] [Accepted: 12/31/2023] [Indexed: 01/08/2024]
Abstract
Monitoring brain responses to ultrasonic interventions is becoming an important pillar of a growing number of applications employing acoustic waves to actuate and cure the brain. Optical interrogation of living tissues provides a unique means for retrieving functional and molecular information related to brain activity and disease-specific biomarkers. The hybrid optoacoustic imaging methods have further enabled deep-tissue imaging with optical contrast at high spatial and temporal resolution. The marriage between light and sound thus brings together the highly complementary advantages of both modalities toward high precision interrogation, stimulation, and therapy of the brain with strong impact in the fields of ultrasound neuromodulation, gene and drug delivery, or noninvasive treatments of neurological and neurodegenerative disorders. In this review, we elaborate on current advances in optical and optoacoustic monitoring of ultrasound interventions. We describe the main principles and mechanisms underlying each method before diving into the corresponding biomedical applications. We identify areas of improvement as well as promising approaches with clinical translation potential.
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Affiliation(s)
- Maria Eleni Karakatsani
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland
| | - Héctor Estrada
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland
| | - Zhenyue Chen
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland
| | - Shy Shoham
- Department of Ophthalmology and Tech4Health and Neuroscience Institutes, NYU Langone Health, NY, USA
| | - Xosé Luís Deán-Ben
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland.
| | - Daniel Razansky
- Institute for Biomedical Engineering and Institute of Pharmacology and Toxicology, Faculty of Medicine, University of Zurich, Switzerland; Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Switzerland.
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16
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Sabeghi P, Zarand P, Zargham S, Golestany B, Shariat A, Chang M, Yang E, Rajagopalan P, Phung DC, Gholamrezanezhad A. Advances in Neuro-Oncological Imaging: An Update on Diagnostic Approach to Brain Tumors. Cancers (Basel) 2024; 16:576. [PMID: 38339327 PMCID: PMC10854543 DOI: 10.3390/cancers16030576] [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: 12/27/2023] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024] Open
Abstract
This study delineates the pivotal role of imaging within the field of neurology, emphasizing its significance in the diagnosis, prognostication, and evaluation of treatment responses for central nervous system (CNS) tumors. A comprehensive understanding of both the capabilities and limitations inherent in emerging imaging technologies is imperative for delivering a heightened level of personalized care to individuals with neuro-oncological conditions. Ongoing research in neuro-oncological imaging endeavors to rectify some limitations of radiological modalities, aiming to augment accuracy and efficacy in the management of brain tumors. This review is dedicated to the comparison and critical examination of the latest advancements in diverse imaging modalities employed in neuro-oncology. The objective is to investigate their respective impacts on diagnosis, cancer staging, prognosis, and post-treatment monitoring. By providing a comprehensive analysis of these modalities, this review aims to contribute to the collective knowledge in the field, fostering an informed approach to neuro-oncological care. In conclusion, the outlook for neuro-oncological imaging appears promising, and sustained exploration in this domain is anticipated to yield further breakthroughs, ultimately enhancing outcomes for individuals grappling with CNS tumors.
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Affiliation(s)
- Paniz Sabeghi
- Department of Radiology, Keck School of Medicine, University of Southern California, 1500 San Pablo St., Los Angeles, CA 90033, USA; (P.S.); (E.Y.); (P.R.); (D.C.P.)
| | - Paniz Zarand
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717411, Iran;
| | - Sina Zargham
- Department of Basic Science, California Northstate University College of Medicine, 9700 West Taron Drive, Elk Grove, CA 95757, USA;
| | - Batis Golestany
- Division of Biomedical Sciences, Riverside School of Medicine, University of California, 900 University Ave., Riverside, CA 92521, USA;
| | - Arya Shariat
- Kaiser Permanente Los Angeles Medical Center, 4867 W Sunset Blvd, Los Angeles, CA 90027, USA;
| | - Myles Chang
- Keck School of Medicine, University of Southern California, 1975 Zonal Avenue, Los Angeles, CA 90089, USA;
| | - Evan Yang
- Department of Radiology, Keck School of Medicine, University of Southern California, 1500 San Pablo St., Los Angeles, CA 90033, USA; (P.S.); (E.Y.); (P.R.); (D.C.P.)
| | - Priya Rajagopalan
- Department of Radiology, Keck School of Medicine, University of Southern California, 1500 San Pablo St., Los Angeles, CA 90033, USA; (P.S.); (E.Y.); (P.R.); (D.C.P.)
| | - Daniel Chang Phung
- Department of Radiology, Keck School of Medicine, University of Southern California, 1500 San Pablo St., Los Angeles, CA 90033, USA; (P.S.); (E.Y.); (P.R.); (D.C.P.)
| | - Ali Gholamrezanezhad
- Department of Radiology, Keck School of Medicine, University of Southern California, 1500 San Pablo St., Los Angeles, CA 90033, USA; (P.S.); (E.Y.); (P.R.); (D.C.P.)
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17
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El Beltagy MA, Elbaroody M. The Value of Intraoperative Ultrasound in Brain Surgery. Adv Tech Stand Neurosurg 2024; 50:185-199. [PMID: 38592531 DOI: 10.1007/978-3-031-53578-9_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Favorable clinical outcomes in adult and pediatric neurosurgical oncology generally depend on the extent of tumor resection (EOR). Maximum safe resection remains the main aim of surgery in most intracranial tumors. Despite the accuracy of intraoperative magnetic resonance imaging (iMRI) in the detection of residual intraoperatively, it is not widely implemented worldwide owing to enormous cost and technical difficulties. Over the past years, intraoperative ultrasound (IOUS) has imposed itself as a valuable and reliable intraoperative tool guiding neurosurgeons to achieve gross total resection (GTR) of intracranial tumors.Being less expensive, feasible, doesn't need a high level of training, doesn't need a special workspace, and being real time with outstanding temporal and spatial resolution; all the aforementioned advantages give a superiority for IOUS in comparison to iMRI during resection of brain tumors.In this chapter, we spot the light on the technical nuances, advanced techniques, outcomes of resection, pearls, and pitfalls of the use of IOUS during the resection of brain tumors.
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Affiliation(s)
- Mohamed A El Beltagy
- Neurosurgery Department, Kasr Alainy School of Medicine, Cairo University, Cairo, Egypt
- Neurosurgery Department, Children's Cancer Hospital Egypt (CCHE, 57357), Cairo, Egypt
| | - Mohammad Elbaroody
- Neurosurgery Department, Kasr Alainy School of Medicine, Cairo University, Cairo, Egypt
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18
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Young JS, Morshed RA, Hervey-Jumper SL, Berger MS. The surgical management of diffuse gliomas: Current state of neurosurgical management and future directions. Neuro Oncol 2023; 25:2117-2133. [PMID: 37499054 PMCID: PMC10708937 DOI: 10.1093/neuonc/noad133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Indexed: 07/29/2023] Open
Abstract
After recent updates to the World Health Organization pathological criteria for diagnosing and grading diffuse gliomas, all major North American and European neuro-oncology societies recommend a maximal safe resection as the initial management of a diffuse glioma. For neurosurgeons to achieve this goal, the surgical plan for both low- and high-grade gliomas should be to perform a supramaximal resection when feasible based on preoperative imaging and the patient's performance status, utilizing every intraoperative adjunct to minimize postoperative neurological deficits. While the surgical approach and technique can vary, every effort must be taken to identify and preserve functional cortical and subcortical regions. In this summary statement on the current state of the field, we describe the tools and technologies that facilitate the safe removal of diffuse gliomas and highlight intraoperative and postoperative management strategies to minimize complications for these patients. Moreover, we discuss how surgical resections can go beyond cytoreduction by facilitating biological discoveries and improving the local delivery of adjuvant chemo- and radiotherapies.
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Affiliation(s)
- Jacob S Young
- Department of Neurological Surgery, University of California, San Francisco, USA
| | - Ramin A Morshed
- Department of Neurological Surgery, University of California, San Francisco, USA
| | | | - Mitchel S Berger
- Department of Neurological Surgery, University of California, San Francisco, USA
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19
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Moiyadi A, Shetty P, Singh VK, Yeole U. Intraoperative Navigated Three-Dimensional Ultrasound Guidance Improves Resection in Gliomas Compared with Standard Two-Dimensional Ultrasound-Results from a Comparative Cohort Study. World Neurosurg 2023; 180:e233-e242. [PMID: 37739176 DOI: 10.1016/j.wneu.2023.09.041] [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: 09/09/2023] [Accepted: 09/11/2023] [Indexed: 09/24/2023]
Abstract
OBJECTIVE Intraoperative ultrasound is a promising tool for intraoperative tumor resection control. Navigated three-dimensional US (n3DUS) has many benefits over standard two-dimensional US (2DUS). METHODS Two cohorts (2DUS and n3DUS) of patients with histologically confirmed adult diffuse gliomas undergoing US-guided resection control were compared. The primary outcomes assessed were extent of resection and morbidity. Multivariate analysis was performed to account for tumor characteristics (delineation and eloquence) and surgeon experience, which could confound the results. RESULTS n3DUS was used more often (n = 252) than 2DUS (n = 86). Tumor delineation was similar in 2DUS and n3DUS cohorts, although the n3DUS cohort included more nonenhancing, histologically lower grade (2-3) gliomas and had more gliomas located in eloquent regions; also, n3DUS was more often used by senior surgeons. Gross total resection (GTR) rates were 47%, and major morbidity was 9.5%. On multivariate analysis, after controlling for all other variables between the 2 groups, patients with well-delineated tumors, patients with prior treatment, and patients who underwent n3DUS were more likely to have GTR (adjusted odds ratios 3.0, 1.8, and 2.2, respectively), whereas patients with tumors in eloquent locations were half as likely (adjusted odds ratio 0.5) to have GTR. Eloquent located tumors were likely to be associated with higher neurological morbidity, although major morbidity was not significantly different. CONCLUSIONS Good delineation, noneloquent location, and use of n3DUS was associated with a higher probability of GTR in glioma surgery. Surgeons' experience did not influence the extent of resection. Morbidity was predominantly associated with eloquent location, independent of all other factors.
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Affiliation(s)
- Aliasgar Moiyadi
- Department of Surgical Oncology, Neurosurgical Services, Tata Memorial Centre, Mumbai, India; Department of Health Sciences, Homi Bhabha National Institute, Mumbai, India.
| | - Prakash Shetty
- Department of Surgical Oncology, Neurosurgical Services, Tata Memorial Centre, Mumbai, India; Department of Health Sciences, Homi Bhabha National Institute, Mumbai, India
| | - Vikas Kumar Singh
- Department of Surgical Oncology, Neurosurgical Services, Tata Memorial Centre, Mumbai, India; Department of Health Sciences, Homi Bhabha National Institute, Mumbai, India
| | - Ujwal Yeole
- Department of Surgical Oncology, Neurosurgical Services, Tata Memorial Centre, Mumbai, India; Department of Health Sciences, Homi Bhabha National Institute, Mumbai, India
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20
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Wei R, Chen H, Cai Y, Chen J. Application of intraoperative ultrasound in the resection of high-grade gliomas. Front Neurol 2023; 14:1240150. [PMID: 37965171 PMCID: PMC10640994 DOI: 10.3389/fneur.2023.1240150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 09/19/2023] [Indexed: 11/16/2023] Open
Abstract
The incidence of gliomas is approximately 3-5/100,000, with high-grade gliomas accounting for approximately 30-40% of these tumors. Surgery is a confirmed positive factor in prolonging the survival of these patients, and a larger resection range means a longer survival time. Therefore, surgery for high-grade glioma patients should aim to maximize the extent of resection while preserving neurological function to achieve a better quality of life. There is consensus regarding the need to lengthen progression-free survival (PFS) and overall survival (OS) times. In glioma surgery, methods such as intraoperative computed tomography (ICT), intraoperative magnetic resonance imaging (IMRI), navigation, 5-aminolevulinic acid (5-ALA), and intraoperative ultrasound (IOUS) are used to achieve an expanded resection during the surgical procedure. IOUS has been increasingly used in the surgery of high-grade gliomas and various tumors due to its convenient intraoperative use, its flexible repeatability, and the relatively low cost of operating room construction. With the continuous upgrading of ultrasound equipment, IOUS has been able to better assist surgeons in achieving an increased extent of resection. This review aims to summarize the application of ultrasound in the surgery of high-grade gliomas in the past decade, its improvement in patient prognosis, and its prospects.
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Affiliation(s)
- RenJie Wei
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Hao Chen
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - YuXiang Cai
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - JingCao Chen
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China
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21
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Dorent R, Haouchine N, Kogl F, Joutard S, Juvekar P, Torio E, Golby A, Ourselin S, Frisken S, Vercauteren T, Kapur T, Wells WM. Unified Brain MR-Ultrasound Synthesis using Multi-Modal Hierarchical Representations. MEDICAL IMAGE COMPUTING AND COMPUTER-ASSISTED INTERVENTION : MICCAI ... INTERNATIONAL CONFERENCE ON MEDICAL IMAGE COMPUTING AND COMPUTER-ASSISTED INTERVENTION 2023; 2023:448-458. [PMID: 38655383 PMCID: PMC7615858 DOI: 10.1007/978-3-031-43999-5_43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
We introduce MHVAE, a deep hierarchical variational autoencoder (VAE) that synthesizes missing images from various modalities. Extending multi-modal VAEs with a hierarchical latent structure, we introduce a probabilistic formulation for fusing multi-modal images in a common latent representation while having the flexibility to handle incomplete image sets as input. Moreover, adversarial learning is employed to generate sharper images. Extensive experiments are performed on the challenging problem of joint intra-operative ultrasound (iUS) and Magnetic Resonance (MR) synthesis. Our model outperformed multi-modal VAEs, conditional GANs, and the current state-of-the-art unified method (ResViT) for synthesizing missing images, demonstrating the advantage of using a hierarchical latent representation and a principled probabilistic fusion operation. Our code is publicly available.
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Affiliation(s)
- Reuben Dorent
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Nazim Haouchine
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Fryderyk Kogl
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | | | - Parikshit Juvekar
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Erickson Torio
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Alexandra Golby
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | | | - Sarah Frisken
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | | | - Tina Kapur
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - William M Wells
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
- Massachusetts Institute of Technology, Cambridge, MA, USA
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Bin-Alamer O, Abou-Al-Shaar H, Gersey ZC, Huq S, Kallos JA, McCarthy DJ, Head JR, Andrews E, Zhang X, Hadjipanayis CG. Intraoperative Imaging and Optical Visualization Techniques for Brain Tumor Resection: A Narrative Review. Cancers (Basel) 2023; 15:4890. [PMID: 37835584 PMCID: PMC10571802 DOI: 10.3390/cancers15194890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/26/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
Advancements in intraoperative visualization and imaging techniques are increasingly central to the success and safety of brain tumor surgery, leading to transformative improvements in patient outcomes. This comprehensive review intricately describes the evolution of conventional and emerging technologies for intraoperative imaging, encompassing the surgical microscope, exoscope, Raman spectroscopy, confocal microscopy, fluorescence-guided surgery, intraoperative ultrasound, magnetic resonance imaging, and computed tomography. We detail how each of these imaging modalities contributes uniquely to the precision, safety, and efficacy of neurosurgical procedures. Despite their substantial benefits, these technologies share common challenges, including difficulties in image interpretation and steep learning curves. Looking forward, innovations in this field are poised to incorporate artificial intelligence, integrated multimodal imaging approaches, and augmented and virtual reality technologies. This rapidly evolving landscape represents fertile ground for future research and technological development, aiming to further elevate surgical precision, safety, and, most critically, patient outcomes in the management of brain tumors.
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Affiliation(s)
- Othman Bin-Alamer
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Hussam Abou-Al-Shaar
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Zachary C. Gersey
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Sakibul Huq
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Justiss A. Kallos
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - David J. McCarthy
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Jeffery R. Head
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Edward Andrews
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Xiaoran Zhang
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Constantinos G. Hadjipanayis
- Center for Image-Guided Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (O.B.-A.); (H.A.-A.-S.); (Z.C.G.); (S.H.); (J.A.K.); (D.J.M.); (J.R.H.); (E.A.); (X.Z.)
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
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MacCormac O, Noonan P, Janatka M, Horgan CC, Bahl A, Qiu J, Elliot M, Trotouin T, Jacobs J, Patel S, Bergholt MS, Ashkan K, Ourselin S, Ebner M, Vercauteren T, Shapey J. Lightfield hyperspectral imaging in neuro-oncology surgery: an IDEAL 0 and 1 study. Front Neurosci 2023; 17:1239764. [PMID: 37790587 PMCID: PMC10544348 DOI: 10.3389/fnins.2023.1239764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/31/2023] [Indexed: 10/05/2023] Open
Abstract
Introduction Hyperspectral imaging (HSI) has shown promise in the field of intra-operative imaging and tissue differentiation as it carries the capability to provide real-time information invisible to the naked eye whilst remaining label free. Previous iterations of intra-operative HSI systems have shown limitations, either due to carrying a large footprint limiting ease of use within the confines of a neurosurgical theater environment, having a slow image acquisition time, or by compromising spatial/spectral resolution in favor of improvements to the surgical workflow. Lightfield hyperspectral imaging is a novel technique that has the potential to facilitate video rate image acquisition whilst maintaining a high spectral resolution. Our pre-clinical and first-in-human studies (IDEAL 0 and 1, respectively) demonstrate the necessary steps leading to the first in-vivo use of a real-time lightfield hyperspectral system in neuro-oncology surgery. Methods A lightfield hyperspectral camera (Cubert Ultris ×50) was integrated in a bespoke imaging system setup so that it could be safely adopted into the open neurosurgical workflow whilst maintaining sterility. Our system allowed the surgeon to capture in-vivo hyperspectral data (155 bands, 350-1,000 nm) at 1.5 Hz. Following successful implementation in a pre-clinical setup (IDEAL 0), our system was evaluated during brain tumor surgery in a single patient to remove a posterior fossa meningioma (IDEAL 1). Feedback from the theater team was analyzed and incorporated in a follow-up design aimed at implementing an IDEAL 2a study. Results Focusing on our IDEAL 1 study results, hyperspectral information was acquired from the cerebellum and associated meningioma with minimal disruption to the neurosurgical workflow. To the best of our knowledge, this is the first demonstration of HSI acquisition with 100+ spectral bands at a frame rate over 1Hz in surgery. Discussion This work demonstrated that a lightfield hyperspectral imaging system not only meets the design criteria and specifications outlined in an IDEAL-0 (pre-clinical) study, but also that it can translate into clinical practice as illustrated by a successful first in human study (IDEAL 1). This opens doors for further development and optimisation, given the increasing evidence that hyperspectral imaging can provide live, wide-field, and label-free intra-operative imaging and tissue differentiation.
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Affiliation(s)
- Oscar MacCormac
- School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom
- Department of Neurosurgery, King's College Hospital, London, United Kingdom
| | - Philip Noonan
- Hypervision Surgical Limited, London, United Kingdom
| | - Mirek Janatka
- Hypervision Surgical Limited, London, United Kingdom
| | | | - Anisha Bahl
- School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom
| | - Jianrong Qiu
- School of Craniofacial and Regenerative Biology, King's College London, London, United Kingdom
| | - Matthew Elliot
- School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom
- Department of Neurosurgery, King's College Hospital, London, United Kingdom
| | - Théo Trotouin
- Hypervision Surgical Limited, London, United Kingdom
| | - Jaco Jacobs
- Hypervision Surgical Limited, London, United Kingdom
| | - Sabina Patel
- Department of Neurosurgery, King's College Hospital, London, United Kingdom
| | - Mads S. Bergholt
- School of Craniofacial and Regenerative Biology, King's College London, London, United Kingdom
| | - Keyoumars Ashkan
- School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom
- Department of Neurosurgery, King's College Hospital, London, United Kingdom
| | - Sebastien Ourselin
- School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom
- Hypervision Surgical Limited, London, United Kingdom
| | - Michael Ebner
- Hypervision Surgical Limited, London, United Kingdom
| | - Tom Vercauteren
- School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom
- Hypervision Surgical Limited, London, United Kingdom
| | - Jonathan Shapey
- School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom
- Department of Neurosurgery, King's College Hospital, London, United Kingdom
- Hypervision Surgical Limited, London, United Kingdom
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Masoumi N, Rivaz H, Hacihaliloglu I, Ahmad MO, Reinertsen I, Xiao Y. The Big Bang of Deep Learning in Ultrasound-Guided Surgery: A Review. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2023; 70:909-919. [PMID: 37028313 DOI: 10.1109/tuffc.2023.3255843] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Ultrasound (US) imaging is a paramount modality in many image-guided surgeries and percutaneous interventions, thanks to its high portability, temporal resolution, and cost-efficiency. However, due to its imaging principles, the US is often noisy and difficult to interpret. Appropriate image processing can greatly enhance the applicability of the imaging modality in clinical practice. Compared with the classic iterative optimization and machine learning (ML) approach, deep learning (DL) algorithms have shown great performance in terms of accuracy and efficiency for US processing. In this work, we conduct a comprehensive review on deep-learning algorithms in the applications of US-guided interventions, summarize the current trends, and suggest future directions on the topic.
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25
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Plut D, Prutki M, Slak P. The Use of Contrast-Enhanced Ultrasound (CEUS) in the Evaluation of the Neonatal Brain. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1303. [PMID: 37628302 PMCID: PMC10453292 DOI: 10.3390/children10081303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/18/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023]
Abstract
In recent years, advancements in technology have allowed the use of contrast-enhanced ultrasounds (CEUS) with high-frequency transducers, which in turn, led to new possibilities in diagnosing a variety of diseases and conditions in the field of radiology, including neonatal brain imaging. CEUSs overcome some of the limitations of conventional ultrasounds (US) and Doppler USs. It allows the visualization of dynamic perfusion even in the smallest vessels in the whole brain and allows the quantitative analysis of perfusion parameters. An increasing number of articles are published on the topic of the use of CEUSs on children each year. In the area of brain imaging, the CEUS has already proven to be useful in cases with clinical indications, such as hypoxic-ischemic injuries, stroke, intracranial hemorrhages, vascular anomalies, brain tumors, and infections. We present and discuss the basic principles of the CEUS and its safety considerations, the examination protocol for imaging the neonatal brain, and current and emerging clinical applications.
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Affiliation(s)
- Domen Plut
- Clinical Radiology Institute, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia
- Department of Radiology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Maja Prutki
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Center Zagreb, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Peter Slak
- Clinical Radiology Institute, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia
- Department of Radiology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
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26
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García-Milán V, Franco A, Zvezdanova ME, Marcos S, Martin-Laez R, Moreno F, Velasquez C, Fernandez-Luna JL. Discriminating Glioblastoma from Peritumoral Tissue by a Nanohole Array-Based Optical and Label-Free Biosensor. BIOSENSORS 2023; 13:591. [PMID: 37366956 DOI: 10.3390/bios13060591] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 05/16/2023] [Accepted: 05/26/2023] [Indexed: 06/28/2023]
Abstract
In glioblastoma (GBM) patients, maximal safe resection remains a challenge today due to its invasiveness and diffuse parenchymal infiltration. In this context, plasmonic biosensors could potentially help to discriminate tumor tissue from peritumoral parenchyma based on differences in their optical properties. A nanostructured gold biosensor was used ex vivo to identify tumor tissue in a prospective series of 35 GBM patients who underwent surgical treatment. For each patient, two paired samples, tumor and peritumoral tissue, were extracted. Then, the imprint left by each sample on the surface of the biosensor was individually analyzed, obtaining the difference between their refractive indices. The tumor and non-tumor origins of each tissue were assessed by histopathological analysis. The refractive index (RI) values obtained by analyzing the imprint of the tissue were significantly lower (p = 0.0047) in the peritumoral samples (1.341, Interquartile Range (IQR) 1.339-1.349) compared with the tumor samples (1.350, IQR 1.344-1.363). The ROC (receiver operating characteristic) curve showed the capacity of the biosensor to discriminate between both tissues (area under the curve, 0.8779, p < 0.0001). The Youden index provided an optimal RI cut-off point of 0.003. The sensitivity and specificity of the biosensor were 81% and 80%, respectively. Overall, the plasmonic-based nanostructured biosensor is a label-free system with the potential to be used for real-time intraoperative discrimination between tumor and peritumoral tissue in patients with GBM.
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Affiliation(s)
- Víctor García-Milán
- Department of Neurological Surgery and Spine Unit, Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain
| | - Alfredo Franco
- Department of Applied Physics, Faculty of Sciences, Universidad de Cantabria, 39005 Santander, Spain
- Instituto de Investigación Marqués de Valdecilla (IDIVAL), 39012 Santander, Spain
| | | | - Sara Marcos
- Servicio de Anatomía Patológica, Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain
| | - Rubén Martin-Laez
- Department of Neurological Surgery and Spine Unit, Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain
| | - Fernando Moreno
- Department of Applied Physics, Faculty of Sciences, Universidad de Cantabria, 39005 Santander, Spain
- Instituto de Investigación Marqués de Valdecilla (IDIVAL), 39012 Santander, Spain
| | - Carlos Velasquez
- Department of Neurological Surgery and Spine Unit, Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain
- Instituto de Investigación Marqués de Valdecilla (IDIVAL), 39012 Santander, Spain
- Department of Anatomy and Cell Biology, Universidad de Cantabria, 39005 Santander, Spain
| | - José L Fernandez-Luna
- Instituto de Investigación Marqués de Valdecilla (IDIVAL), 39012 Santander, Spain
- Genetics Unit, Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain
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Akeret K, Weller M, Krayenbühl N. The anatomy of neuroepithelial tumours. Brain 2023:7171408. [PMID: 37201913 PMCID: PMC10393414 DOI: 10.1093/brain/awad138] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 05/20/2023] Open
Abstract
Many neurological conditions conceal specific anatomical patterns. Their study contributes to the understanding of disease biology and to tailored diagnostics and therapy. Neuroepithelial tumours exhibit distinct anatomical phenotypes and spatiotemporal dynamics that differ from those of other brain tumours. Brain metastases display a preference for the cortico-subcortical boundaries of watershed areas and have a predominantly spherical growth. Primary CNS lymphomas localize to the white matter and generally invade along fibre tracts. In neuroepithelial tumours, topographic probability mapping and unsupervised topological clustering have identified an inherent radial anatomy and adherence to ventriculopial configurations of specific hierarchical orders. Spatiotemporal probability and multivariate survival analyses have identified a temporal and prognostic sequence underlying the anatomical phenotypes of neuroepithelial tumours. Gradual neuroepithelial de-differentiation and declining prognosis follow (i) an expansion into higher order radial units; (ii) a subventricular spread; and (iii) the presence of mesenchymal patterns (expansion along white matter tracts, leptomeningeal or perivascular invasion, CSF spread). While different pathophysiological hypotheses have been proposed, the cellular and molecular mechanisms dictating this anatomical behaviour remain largely unknown. Here we adopt an ontogenetic approach towards the understanding of neuroepithelial tumour anatomy. Contemporary perception of histo- and morphogenetic processes during neurodevelopment permit us to conceptualize the architecture of the brain into hierarchically organized radial units. The anatomical phenotypes in neuroepithelial tumours and their temporal and prognostic sequences share remarkable similarities with the ontogenetic organization of the brain and the anatomical specifications that occur during neurodevelopment. This macroscopic coherence is reinforced by cellular and molecular observations that the initiation of various neuroepithelial tumours, their intratumoural hierarchy and tumour progression are associated with the aberrant reactivation of surprisingly normal ontogenetic programs. Generalizable topological phenotypes could provide the basis for an anatomical refinement of the current classification of neuroepithelial tumours. In addition, we have proposed a staging system for adult-type diffuse gliomas that is based on the prognostically critical steps along the sequence of anatomical tumour progression. Considering the parallels in anatomical behaviour between different neuroepithelial tumours, analogous staging systems may be implemented for other neuroepithelial tumour types and subtypes. Both the anatomical stage of a neuroepithelial tumour and the spatial configuration of its hosting radial unit harbour the potential to stratify treatment decisions at diagnosis and during follow-up. More data on specific neuroepithelial tumour types and subtypes are needed to increase the anatomical granularity in their classification and to determine the clinical impact of stage-adapted and anatomically tailored therapy and surveillance.
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Affiliation(s)
- Kevin Akeret
- Department of Neurosurgery, Clinical Neuroscience Centre, University Hospital Zurich and University of Zurich, 8091 Zurich, Switzerland
| | - Michael Weller
- Department of Neurology, Clinical Neuroscience Centre, University Hospital Zurich and University of Zurich, 8091 Zurich, Switzerland
| | - Niklaus Krayenbühl
- Division of Paediatric Neurosurgery, University Children's Hospital, 8032 Zurich, Switzerland
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28
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Di Cristofori A, Carone G, Rocca A, Rui CB, Trezza A, Carrabba G, Giussani C. Fluorescence and Intraoperative Ultrasound as Surgical Adjuncts for Brain Metastases Resection: What Do We Know? A Systematic Review of the Literature. Cancers (Basel) 2023; 15:cancers15072047. [PMID: 37046709 PMCID: PMC10092992 DOI: 10.3390/cancers15072047] [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: 02/26/2023] [Revised: 03/25/2023] [Accepted: 03/27/2023] [Indexed: 04/14/2023] Open
Abstract
(1) Background: brain metastases (BMs) are the most common neoplasm of the central nervous system; despite the high incidence of this type of tumour, to date there is no universal consensus on the most effective treatment in patients with BMs, even if surgery still plays a primary role. Despite this, the adjunct systems that help to reach the GTR, which are well structured for other tumour forms such as ultrasound and fluorescence systems, are not yet well employed and standardised in surgical practice. The aim of this review is to provide a picture of the current state-of-art of the roles of iOUS and intraoperative fluorescence to better understand their potential roles as surgical tools. (2) Methods: to reach this goal, the PubMed database was searched using the following string as the keyword: (((Brain cerebral metastasis [MeSH Major Topic])OR (brain metastasis, [MeSH Major Topic])) AND ((5-ala, [MeSH Terms]) OR (Aminolevulinicacid [All fields]) OR (fluorescein, [MeSH Terms]) OR (contrast enhanced ultrasound [MeSH Terms])OR ((intraoperative ultrasound. [MeSH Terms]))) AND (english [Filter]) AND ((english [Filter]) AND (2010:2022 [pdat])) AND (english [Filter]). (3) Results: from our research, a total of 661 articles emerged; of these, 57 were selected. 21 of these included BMs generically as a secondary class for comparisons with gliomas, without going deeply into specific details. Therefore, for our purposes, 36 articles were considered. (4) Conclusions: with regard to BMs treatment and their surgical adjuncts, there is still much to be explored. This is mainly related to the heterogeneity of patients, the primary tumour histology and the extent of systemic disease; regardless, surgery plays a paramount role in obtaining a local disease control, and more standardised surgical protocols need to be made, with the aim of optimizing the use of the available surgical adjuncts and in order to increase the rate of GTR.
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Affiliation(s)
- Andrea Di Cristofori
- Division of Neurosurgery, Fondazione IRCCS San Gerardo dei Tintori, Via GB Pergolesi, 20900 Monza, Italy
- PhD Program in Neuroscience, University of Milano-Bicocca, Piazza Ateneo Nuovo 1, 20126 Milano, Italy
| | - Giovanni Carone
- Department of Neurosurgery, School of Medicine, Surgery Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo 1, 20126 Milano, Italy
| | - Alessandra Rocca
- Department of Neurosurgery, School of Medicine, Surgery Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo 1, 20126 Milano, Italy
| | - Chiara Benedetta Rui
- Department of Neurosurgery, School of Medicine, Surgery Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo 1, 20126 Milano, Italy
| | - Andrea Trezza
- Division of Neurosurgery, Fondazione IRCCS San Gerardo dei Tintori, Via GB Pergolesi, 20900 Monza, Italy
| | - Giorgio Carrabba
- Division of Neurosurgery, Fondazione IRCCS San Gerardo dei Tintori, Via GB Pergolesi, 20900 Monza, Italy
- Department of Neurosurgery, School of Medicine, Surgery Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo 1, 20126 Milano, Italy
| | - Carlo Giussani
- Division of Neurosurgery, Fondazione IRCCS San Gerardo dei Tintori, Via GB Pergolesi, 20900 Monza, Italy
- Department of Neurosurgery, School of Medicine, Surgery Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo 1, 20126 Milano, Italy
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Yang Z, Zhao C, Zong S, Piao J, Zhao Y, Chen X. A review on surgical treatment options in gliomas. Front Oncol 2023; 13:1088484. [PMID: 37007123 PMCID: PMC10061125 DOI: 10.3389/fonc.2023.1088484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 02/24/2023] [Indexed: 03/17/2023] Open
Abstract
Gliomas are one of the most common primary central nervous system tumors, and surgical treatment remains the principal role in the management of any grade of gliomas. In this study, based on the introduction of gliomas, we review the novel surgical techniques and technologies in support of the extent of resection to achieve long-term disease control and summarize the findings on how to keep the balance between cytoreduction and neurological morbidity from a list of literature searched. With modern neurosurgical techniques, gliomas resection can be safely performed with low morbidity and extraordinary long-term functional outcomes.
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Affiliation(s)
- Zhongxi Yang
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Chen Zhao
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Shan Zong
- Department of Gynecology Oncology, The First Hospital of Jilin University, Jilin, China
| | - Jianmin Piao
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Yuhao Zhao
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
| | - Xuan Chen
- Department of Neurosurgery, The First Hospital of Jilin University, Jilin, China
- *Correspondence: Xuan Chen,
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Frassanito P, Stifano V, Bianchi F, Tamburrini G, Massimi L. Enhancing the Reliability of Intraoperative Ultrasound in Pediatric Space-Occupying Brain Lesions. Diagnostics (Basel) 2023; 13:diagnostics13050971. [PMID: 36900115 PMCID: PMC10000977 DOI: 10.3390/diagnostics13050971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
INTRODUCTION Intraoperative ultrasound (IOUS) may aid the resection of space-occupying brain lesions, though technical limits may hinder its reliability. METHODS IOUS (MyLabTwice®, Esaote, Italy) with a microconvex probe was utilized in 45 consecutive cases of children with supratentorial space-occupying lesions aiming to localize the lesion (pre-IOUS) and evaluate the extent of resection (EOR, post-IOUS). Technical limits were carefully assessed, and strategies to enhance the reliability of real-time imaging were accordingly proposed. RESULTS Pre-IOUS allowed us to localize the lesion accurately in all of the cases (16 low-grade gliomas, 12 high-grade gliomas, eight gangliogliomas, seven dysembryoplastic neuroepithelial tumors, five cavernomas, and five other lesions, namely two focal cortical dysplasias, one meningioma, one subependymal giant cell astrocytoma, and one histiocytosis). In 10 deeply located lesions, IOUS with hyperechoic marker, eventually coupled with neuronavigation, was useful to plan the surgical route. In seven cases, the administration of contrast ensured a better definition of the vascular pattern of the tumor. Post-IOUS allowed the evaluation of EOR reliably in small lesions (<2 cm). In large lesions (>2 cm) assessing EOR is hindered by the collapsed surgical cavity, especially when the ventricular system is opened, and by artifacts that may simulate or hide residual tumors. The main strategies to overcome the former limit are inflation of the surgical cavity through pressure irrigation while insonating, and closure of the ventricular opening with Gelfoam before insonating. The strategies to overcome the latter are avoiding the use of hemostatic agents before IOUS and insonating through normal adjacent brain instead of corticotomy. These technical nuances enhanced the reliability of post-IOUS, with a total concordance to postoperative MRI. Indeed, the surgical plan was changed in about 30% of cases, as IOUS showed a residual tumor that was left behind. CONCLUSION IOUS ensures reliable real-time imaging in the surgery of space-occupying brain lesions. Limits may be overcome with technical nuances and proper training.
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Affiliation(s)
- Paolo Frassanito
- Pediatric Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Vito Stifano
- Pediatric Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Institute of Neurosurgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- Correspondence: ; Tel.: +39-0630154587
| | - Federico Bianchi
- Pediatric Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Institute of Neurosurgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Gianpiero Tamburrini
- Pediatric Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Institute of Neurosurgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Luca Massimi
- Pediatric Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Institute of Neurosurgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
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Yi G, Liu H, Sun F, Du R, Kong J, Wang H, Cheng H, Wang G, Gao F, Liang P. Intratumor Injection of Thermosensitive Polypeptide with Resveratrol Inhibits Glioblastoma Growth. Tissue Eng Part C Methods 2023; 29:103-109. [PMID: 36719787 DOI: 10.1089/ten.tec.2022.0207] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Local tumor treatment is a feasible measure for patients with glioblastoma (GBM) who are unsuitable for surgical resection. Interferon-elastin-like polypeptide [IFN-ELP(V)] is a slow-release, biodegradable, thermosensitive fusion protein with antitumor immunity, and resveratrol (Res) is a polyphenolic compound with an antitumor effect. In this study, we found that intratumor injection of IFN-ELP(V) combined with intraperitoneal injection of Res is more effective in delaying GBM growth in mice. Specifically, in an orthotopic GBM model, we found a significant improvement in the median survival with this strategy. Our results suggested that the combined use of IFN-ELP(V) and Res has a dramatic synergistic effect on GBM, thus providing a novel and effective therapeutic strategy for tumors. Impact statement We report a novel and effective strategy in which the combined use of interferon-elastin-like polypeptide [IFN-ELP(V)] and Res effectively inhibits glioblastoma growth. IFN-ELP(V) can create a reservoir in the tumor and continuously release IFN to produce a powerful in situ antitumor immune response; furthermore, the combination of IFN-ELP(V) and Res is more effective in inhibiting tumor growth.
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Affiliation(s)
- Guoqing Yi
- Department of Neurosurgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Huandong Liu
- Department of Neurosurgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Fenglei Sun
- Department of Neurosurgery, Weifang People's Hospital, Weifang, Shandong, China
| | - Rong Du
- Department of Neurosurgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Jun Kong
- Department of Neurosurgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Hong Wang
- Department of Neurosurgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Huilin Cheng
- Department of Neurosurgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Guihuai Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, P.R. China
| | - Feng Gao
- Department of Neurosurgery, Binhai People's Hospital, Binhai, China
| | - Ping Liang
- Department of Neurosurgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
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Bogusiewicz J, Bojko B. Insight into new opportunities in intra-surgical diagnostics of brain tumors. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Sweeney JF, Rosoklija G, Sheldon BL, Bondoc M, Bandlamuri S, Adamo MA. Comparison of sodium fluorescein and intraoperative ultrasonography in brain tumor resection. J Clin Neurosci 2022; 106:141-144. [DOI: 10.1016/j.jocn.2022.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/05/2022] [Accepted: 10/18/2022] [Indexed: 11/15/2022]
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Plaha P, Camp S, Cook J, McCulloch P, Voets N, Ma R, Taphoorn MJB, Dirven L, Grech-Sollars M, Watts C, Bulbeck H, Jenkinson MD, Williams M, Lim A, Dixon L, Price SJ, Ashkan K, Apostolopoulos V, Barber VS, Taylor A, Nandi D. FUTURE-GB: functional and ultrasound-guided resection of glioblastoma - a two-stage randomised control trial. BMJ Open 2022; 12:e064823. [PMID: 36379652 PMCID: PMC9668053 DOI: 10.1136/bmjopen-2022-064823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Surgery remains the mainstay for treatment of primary glioblastoma, followed by radiotherapy and chemotherapy. Current standard of care during surgery involves the intraoperative use of image-guidance and 5-aminolevulinic acid (5-ALA). There are multiple other surgical adjuncts available to the neuro-oncology surgeon. However, access to, and usage of these varies widely in UK practice, with limited evidence of their use. The aim of this trial is to investigate whether the addition of diffusion tensor imaging (DTI) and intraoperative ultrasound (iUS) to the standard of care surgery (intraoperative neuronavigation and 5-ALA) impacts on deterioration free survival (DFS). METHODS AND ANALYSIS This is a two-stage, randomised control trial (RCT) consisting of an initial non-randomised cohort study based on the principles of the IDEAL (Idea, Development, Exploration, Assessment and Long-term follow-up) stage-IIb format, followed by a statistically powered randomised trial comparing the addition of DTI and iUS to the standard of care surgery. A total of 357 patients will be recruited for the RCT. The primary outcome is DFS, defined as the time to either 10-point deterioration in health-related quality of life scores from baseline, without subsequent reversal, progressive disease or death. ETHICS AND DISSEMINATION The trial was registered in the Integrated Research Application System (Ref: 264482) and approved by a UK research and ethics committee (Ref: 20/LO/0840). Results will be published in a peer-reviewed journal. Further dissemination to participants, patient groups and the wider medical community will use a range of approaches to maximise impact. TRIAL REGISTRATION NUMBER ISRCTN38834571.
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Affiliation(s)
- Puneet Plaha
- Department of Neursurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Sophie Camp
- Neurosurgery, Imperial College Healthcare NHS Trust, London, UK
| | - Jonathan Cook
- Oxford Clinical Trials Research Unit & Surgical Intervention Trials Unit, University of Oxford Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, Oxford, Oxfordshire, UK
| | - Peter McCulloch
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Natalie Voets
- Nuffield Department of Clinical Neurosciences, Oxford University, Oxford, Oxfordshire, UK
| | - Ruichong Ma
- Department of Neursurgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Martin J B Taphoorn
- Department of Neurology, Leiden University Medical Center, Leiden, Zuid-Holland, The Netherlands
- Department of Neurology, Haaglanden Medical Center Bronovo, Den Haag, Zuid-Holland, The Netherlands
| | - Linda Dirven
- Department of Neurology, Leiden University Medical Center, Leiden, Zuid-Holland, The Netherlands
| | - Matthew Grech-Sollars
- Department of Computer Sciences, UCL, London, UK
- Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, London, UK
| | - Colin Watts
- Institute of Cancer and Genomic Studies, University of Birmingham, Birmingham, UK
- Department of Neurosurgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | | | - Michael D Jenkinson
- Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, Merseyside, UK
- Department of Neurosurgery, Walton Centre for Neurology and Neurosurgery, Liverpool, UK
| | - Matthew Williams
- Department of Clinical Oncology, Imperial College Healthcare NHS Trust, London, UK
| | - Adrian Lim
- Department of Surgery and Cancer, Imperial College London, London, UK
- Department of Imaging, Imperial College Healthcare NHS Trust, London, UK
| | - Luke Dixon
- Neuroradiology, Imperial College Healthcare NHS Trust, London, UK
| | - Stephen John Price
- Neurosurgery Division, Department of Clinical Neurosciences, Cambridge University, Cambridge, UK
| | | | | | - Vicki S Barber
- Oxford Clinical Trials Research Unit & Surgical Intervention Trials Unit, University of Oxford Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, Oxford, Oxfordshire, UK
| | - Amy Taylor
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Dipankar Nandi
- Neurosurgery, Imperial College Healthcare NHS Trust, London, UK
- Department of Surgery and Cancer, Imperial College London, London, UK
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Yu S, Guo J, Li Y, Zhang K, Li J, Liu P, Ming H, Guo Y. Advanced modalities and surgical theories in glioma resection: A narrative review. GLIOMA 2022. [DOI: 10.4103/glioma.glioma_14_22] [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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