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HyperSpectral Imaging in Low Grade Glioma
Sponsor: Universitaire Ziekenhuizen KU Leuven
Summary
Low grade glioma (LGG) is a slowly evolving, highly invasive intrinsic brain tumor displaying only subtle tissue differences with the normal surrounding brain, hampering the attempts to visually discriminate tumor from normal brain, especially at the border interface. This makes anatomical borders hard to define during early maximal resection, which is the initial treatment strategy. Therefore, innovative, robust and easy-to-use real-time strategies for intra-operative detection and discrimination of (residual) LGG tumor tissue would strongly influence on-site, surgical decision making, enabling a maximal extent of resection. To validate this approach hyperspectral imaging (HSI) - using a SnapScan HSI-Camera (IMEC), stably mounted on an OPMI Pentero 900 microscope (Zeiss) - will be used to generate spectral imaging data patterns that discriminate in vivo low grade glioma tissue from normal brain both on the cortical and subcortical level.
Official title: Validation of Label-free, Wide-field, Real-time Intra-operative Tissue Discrimination and Tumor Detection of Low Grade Glioma Using a Hyperspectral Imaging (HSI) Sensor/camera Integrated in the Operative Microscope
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
10
Start Date
2021-05-31
Completion Date
2025-06-30
Last Updated
2025-01-08
Healthy Volunteers
No
Conditions
Interventions
Hyperspectral Imaging with Snapscan camera
Before, during and after the resection, HSI data ('datacubes') will be acquired by the SnapScan camera of all relevant areas of the exposed cortical surface and subcortical cavity walls. The exact points of which the datacubes will be acquired are defined by unequivocal single points on the routinely used neuronavigational system. From the points from which the datacubes have been obtained a corresponding tissue sample will be obtained (labeled biopsy) if tumor tissue is to be expected in that particular point, based on the current standard of care assessments intraoperatively using white light illumination on the microscope, intraoperative navigation and intraoperative ultrasound. As such, normally looking brain in the resection cavity wall, will only be biopsied if tumor free margins should be proven as part of the standard-of-care operative procedure (non-critically eloquent brain regions).
Locations (1)
UZ Leuven
Leuven, Vlaams-Brabant, Belgium