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Neuroscience
扩散MRI造影术在内窥镜内窥镜颅骨基础外科中的作用
扩散MRI造影术在内窥镜内窥镜颅骨基础外科中的作用
JoVE Journal
Neuroscience
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JoVE Journal Neuroscience
Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

扩散MRI造影术在内窥镜内窥镜颅骨基础外科中的作用

Full Text
4,289 Views
09:53 min
July 5, 2021

DOI: 10.3791/61724-v

Matteo Zoli*1,2, Lia Talozzi*2, Micaela Mitolo3, Raffaele Lodi2,4, Diego Mazzatenta*1,2, Caterina Tonon*2,3

1IRCCS Istituto delle Scienze Neurologiche di Bologna,Center for the Diagnosis and Treatment of Hypothalamic-Pituitary Diseases - Pituitary Unit, 2Department of Biomedical and NeuroMotor Sciences,University of Bologna, 3IRCCS Istituto delle Scienze Neurologiche di Bologna, Functional and Molecular Neuroimaging Unit, 4IRCCS Istituto delle Scienze Neurologiche di Bologna

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Overview

This study presents a protocol for integrating diffusion MRI tractography in patient evaluations for endoscopic endonasal surgery aimed at skull base tumors. It outlines methods to utilize neuroimaging studies effectively during both pre- and intra-operative phases to enhance surgical safety and patient outcomes.

Key Study Components

Area of Science

  • Neurosurgery
  • Neuroimaging
  • Oncology

Background

  • Diffusion MRI tractography allows visualization of white matter tracts and tumor proximity.
  • This technique has shown versatility in glioma surgery and applications in drug-resistant focal epilepsy.
  • Integration improves surgical safety and quality of life for patients with pituitary and skull base tumors.
  • Collaboration between imaging and surgical specialists is vital for optimal outcomes.

Purpose of Study

  • To establish a framework for the safe resection of tumors using advanced neuroimaging techniques.
  • To correlate neuroimaging data with clinical outcomes in surgical contexts.
  • To provide training tips for integrating these techniques in surgical practice.

Methods Used

  • Utilized multi-modal MRI on high-field scanners to acquire various sequences for tumor localization and tractography.
  • Employed a detailed stepwise approach for segmentation and analysis using ITK-SNAP and FSL tools.
  • Detailed protocols outline MRI parameters, image acquisition specifics, and assessment techniques.
  • Included a comprehensive surgical protocol for endoscopic procedures based on imaging findings.

Main Results

  • Advanced imaging allowed for better visualization of critical structures, enhancing surgical navigation.
  • Successful demonstration of the method has the potential to standardize practices across surgical teams.
  • Encouragement of collaborative discussions among specialists contributes to improved surgical planning.

Conclusions

  • The integration of diffusion MRI tractography enhances the precision of endoscopic surgeries.
  • This study illustrates the importance of specialized training in both imaging and surgical techniques.
  • Findings promote a better understanding of tumor interactions with eloquent brain structures, paving the way for future advancements in surgical oncology.

Frequently Asked Questions

What are the main advantages of using diffusion MRI tractography?
Diffusion MRI tractography provides clear visualizations of white matter structures, improving surgical navigation and decreasing the risk of injury to critical neural pathways during tumor resection.
How is the biological model implemented in this study?
The biological model focuses on patients with skull base tumors, using imaging to tailor surgical approaches based on individual anatomical features and tumor location.
What types of data are obtained through these imaging methods?
Imaging methods yield detailed anatomical maps identifying tumor relationships with brain structures, contributing to safe surgical planning and execution.
How can the methods be adapted for different types of surgeries?
Methods outlined can be customized to fit various surgical approaches by modifying imaging parameters based on the specific tumor type and location.
Are there any key limitations associated with this approach?
While promising, the reliance on advanced imaging techniques necessitates significant training and familiarity with the technology, which may not be uniformly available across all surgical centers.

我们提出了一个协议,将扩散MRI切除术整合到患者工作,为头骨基础肿瘤进行内窥镜内膜手术。介绍了在术前和术中阶段采用这些神经成像研究的方法。

使用集成的神经成像和神经外科协议,可以将协同框架中的不同专业知识合并在一起,以定制患者特定的肿瘤切除手术。使用MRI切图,可以可视化白质道错位和肿瘤距离。其在胶质瘤手术中的多功能性已经确立,也可用于耐药焦点癫痫。

先进的神经成像技术在脑垂体、脑垂体和颅骨肿瘤内窥镜内窥镜手术中集成,可有效提高手术安全性,减少并发症,提高患者结果和生活质量。MRI造影与任务fMRI相结合,允许在手术后监测大脑结构和功能重组。此外,与临床结果的相关性对临床和研究建议也很有用。

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