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Zaed I, Della Pepa GM, Cannizzaro D, Menna G, Cardia A. Applicability and efficacy of ultrasound elastography in neurosurgery: a systematic review of the literature. J Neurosurg Sci 2023; 67:750-757. [PMID: 36239425 DOI: 10.23736/s0390-5616.22.05866-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
INTRODUCTION Neurosurgery is one of the fields in which intraoperative imaging is paramount. One of these main imaging tools that have been acquiring the interest of the neurosurgical community is Ultrasound elastography (USE), which is an imaging technology sensitive to tissue stiffness. Here we present a systematic review of the use of USE in neurosurgery. EVIDENCE ACQUISITION A systematic review of the literature has been performed, according to the PRISMA guideline, for the last 30 years on 3 different databases (MEDLINE, Scopus, and Cochrane), to gather all the studies on the use of ultrasound elastography for neurosurgical pathologies, including both clinical and laboratory studies. EVIDENCE SYNTHESIS A total of 15 articles met the inclusion criteria. USE has widely and safely been used especially for oncological lesions (meningiomas and gliomas) and focal cortical dysplasia. However, there are also encouraging laboratory studies about its application for the management of traumatic brain injury, and ischemic stroke. CONCLUSIONS This systematic review showed that, despite the lack of strong evidence, USE is a valid intraoperative tool, especially in oncological neurosurgery.
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Affiliation(s)
- Ismail Zaed
- Department of Neurosurgery, ASST Ovest Milanese, Legnano Hospital, Milan, Italy -
| | - Giuseppe M Della Pepa
- Institute of Neurosurgery, IRCCS A. Gemelli University Polyclinic Foundation, Rome, Italy
| | - Delia Cannizzaro
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
- Department of Neurosurgery, IRCCS Humanitas Clinic, Rozzano, Milan, Italy
| | - Grazia Menna
- Institute of Neurosurgery, IRCCS A. Gemelli University Polyclinic Foundation, Rome, Italy
| | - Andrea Cardia
- Department of Neurosurgery, Neurocenter of Southern Switzerland, EOC, Lugano, Switzerland
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Almotairi FS, Basalamah AA, Amir A, Al-Habib AF. Intraoperative demonstration of reduced distal spinal cord stiffness following untethering of the spinal cord using ultrasound shear wave elastography (SWE). World Neurosurg X 2023; 20:100225. [PMID: 37456688 PMCID: PMC10344799 DOI: 10.1016/j.wnsx.2023.100225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023] Open
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Albakr A, Ben-Israel D, Yang R, Kruger A, Alhothali W, Al Towim A, Lama S, Ajlan A, Riva-Cambrin J, Prada F, Al-Habib A, Sutherland GR. Ultrasound Elastography in Neurosurgery: Current Applications and Future Perspectives. World Neurosurg 2023; 170:195-205.e1. [PMID: 36336268 DOI: 10.1016/j.wneu.2022.10.108] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Similar to clinical palpation, Ultrasound elastography (USE) helps distinguish between tissues by providing information on their elasticity. While it has been widely explored and has been applied to many body organs, USE has not been studied as extensively for application in neurosurgery. The current systematic review was performed to identify articles related to the use of interoperative USE in neurosurgery. METHODS Search included MEDLINE(R) database. Only original peer-reviewed full-text articles were included. No language or publication year restrictions were imposed. Two independent reviewers assessed the search results for relevance. The identified articles were screened by title, abstract, and full-text review. RESULTS Seventeen articles were included in the qualitative analysis and 13 articles were related to oncology, epilepsy (n = 3), and spine (n = 1). In oncology, USE was found useful in defining tumor stiffness, aiding surgical planning, detecting residual tumors, discriminating between tumor and brain tissue, and differentiating between different tumors. In epilepsy, USE could improve the detection of epileptogenic foci, thereby enhancing the prospect of complete and safe resection. The application in spinal surgery was limited to demonstrating that a compressed spinal cord is stiffer than the decompressed one. CONCLUSIONS USE was found to be a safe, quick, portable, and economic tool that was a useful intraoperative adjunct to provide information corresponding to a variety of neurosurgical diseases, at different stages of surgery. This review describes the current intraoperative neurosurgical applications of USE, the concept of elasticity, and different USE modalities as well as the technical challenges, limitations, and possible future implications.
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Affiliation(s)
- Abdulrahman Albakr
- Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada; Division of Neurosurgery, Department of Surgery, King Saud University, Riyadh, Saudi Arabia; Project neuroArm, Department of Clinical Neurosciences, and Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - David Ben-Israel
- Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
| | - Runze Yang
- Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
| | - Alexander Kruger
- Project neuroArm, Department of Clinical Neurosciences, and Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Wajda Alhothali
- Division of Neurosurgery, Department of Surgery, King Saud University, Riyadh, Saudi Arabia
| | - Abdullah Al Towim
- Division of Neurosurgery, Department of Surgery, King Saud University, Riyadh, Saudi Arabia
| | - Sanju Lama
- Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada; Project neuroArm, Department of Clinical Neurosciences, and Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Abdulrazag Ajlan
- Division of Neurosurgery, Department of Surgery, King Saud University, Riyadh, Saudi Arabia
| | - Jay Riva-Cambrin
- Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada; Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
| | - Francesco Prada
- Department of Neurological Surgery, University of Virginia Health System, Charlottesville, Virginia, USA; Acoustic Neuroimaging and Therapy Laboratory, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy; Focused Ultrasound Foundation, Charlottesville, Virginia, USA
| | - Amro Al-Habib
- Division of Neurosurgery, Department of Surgery, King Saud University, Riyadh, Saudi Arabia
| | - Garnette R Sutherland
- Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada; Project neuroArm, Department of Clinical Neurosciences, and Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.
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Hersh AM, Weber-Levine C, Jiang K, Young L, Kerensky M, Routkevitch D, Tsehay Y, Perdomo-Pantoja A, Judy BF, Lubelski D, Theodore N, Manbachi A. Applications of elastography in operative neurosurgery: A systematic review. J Clin Neurosci 2022; 104:18-28. [PMID: 35933785 PMCID: PMC11023619 DOI: 10.1016/j.jocn.2022.07.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 11/30/2022]
Abstract
Elastography is an imaging technology capable of measuring tissue stiffness and consistency. The technology has achieved widespread use in the workup and management of diseases of the liver, breast, thyroid, and prostate. Although elastography is increasingly being applied in neurosurgery, it has not yet achieved widespread adoption and many clinicians remain unfamiliar with the technology. Therefore, we sought to summarize the range of applications and elastography modalities available for neurosurgery, report its effectiveness in comparison with conventional imaging methods, and offer recommendations. All full-text English-language manuscripts on the use of elastography for neurosurgical procedures were screened using the PubMed/MEDLINE, Embase, Cochrane Library, Scopus, and Web of Science databases. Thirty-two studies were included with 990 patients, including 21 studies on intracranial tumors, 5 on hydrocephalus, 4 on epilepsy, 1 on spinal cord compression, and 1 on adolescent scoliosis. Twenty studies used ultrasound elastography (USE) whereas 12 used magnetic resonance elastography (MRE). MRE studies were mostly used in the preoperative setting for assessment of lesion stiffness, tumor-brain adherence, diagnostic workup, and operative planning. USE studies were performed intraoperatively to guide resection of lesions, determine residual microscopic abnormalities, assess the tumor-brain interface, and study mechanical properties of tumors. Elastography can assist with resection of brain tissue, detection of microscopic lesions, and workup of hydrocephalus, among other applications under investigation. Its sensitivity often exceeds that of conventional MRI and ultrasound for identifying abnormal tissue and lesion margins.
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Affiliation(s)
- Andrew M Hersh
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Carly Weber-Levine
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Kelly Jiang
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Lisa Young
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Max Kerensky
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Denis Routkevitch
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States; Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Yohannes Tsehay
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | | | - Brendan F Judy
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Daniel Lubelski
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Nicholas Theodore
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States; Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States.
| | - Amir Manbachi
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States; Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
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Tan YW, Shi YC. Early diagnostic value of liver stiffness measurement in hepatic sinusoidal obstruction syndrome induced by hematopoietic stem cell transplantation. World J Clin Cases 2022; 10:9241-9253. [PMID: 36159435 PMCID: PMC9477689 DOI: 10.12998/wjcc.v10.i26.9241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/27/2022] [Accepted: 08/05/2022] [Indexed: 02/05/2023] Open
Abstract
Hematopoietic stem cell transplantation (HSCT)-sinusoidal obstruction syndrome (SOS), also known as veno-occlusive disease, is a clinical syndrome characterized by symptoms, such as right upper quadrant pain, jaundice, fluid retention, and hepatomegaly, and is caused by pre-treatment-related hepatotoxicity during the early stages after HSCT. Clinical diagnosis of HSCT-SOS is based on the revised Seattle or Baltimore standards. The revised standard by the European Society for Bone Marrow Transplantation in 2016 has good practicability and can be used in combination with these two standards. Eight studies have shown the value of liver stiffness measurement (LSM) in the early diagnosis of HSCT-SOS. Four studies investigated LSM specificity and sensitivity for the early diagnosis of HSCT-SOS. LSM can distinguish SOS from other post-HSCT complications, enabling a clear differential diagnosis. It has been shown that median LSM of patients with SOS is significantly higher than that of patients with other treatment-related liver complications (e.g., acute cholecystitis, cholangitis, antifungal drug-related liver injury, liver graft-versus-host disease, isolated liver biochemical changes, and fulminant Epstein Barr virus related hepatitis reactivation). Therefore, the above data confirmed the utility of LSM and strongly suggested that LSM improves the positive predictive value of the SOS diagnostic clinical score after allogeneic HSCT. Early diagnosis of SOS is beneficial in preventing severe HSCT complications.
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Affiliation(s)
- You-Wen Tan
- Department of Hepatology, The Third Hospital of Zhenjiang Affiliated Jiangsu University, Zhenjiang 212003, Jiangsu Province, China
| | - Yi-Chun Shi
- Department of Hepatology, The Third Hospital of Zhenjiang Affiliated Jiangsu University, Zhenjiang 212003, Jiangsu Province, China
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Del Bene M, DiMeco F, Unsgård G. Editorial: Intraoperative Ultrasound in Brain Tumor Surgery: State-Of-The-Art and Future Perspectives. Front Oncol 2021; 11:780517. [PMID: 34796119 PMCID: PMC8593403 DOI: 10.3389/fonc.2021.780517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 10/13/2021] [Indexed: 01/18/2023] Open
Affiliation(s)
- Massimiliano Del Bene
- Department of Neurosurgery, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy.,Department of Experimental Oncology, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Francesco DiMeco
- Department of Neurosurgery, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy.,Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.,Department of Neurological Surgery, Johns Hopkins Medical School, Baltimore, MD, United States
| | - Geirmund Unsgård
- Norwegian University of Science and Technology, Trondheim, Norway
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