Fluorescence-guided surgical techniques in adult diffuse low-grade gliomas: state-of-the-art and emerging techniques: a systematic review

T Picart, A Gautheron, C Caredda, C Ray… - …, 2024‏ - pmc.ncbi.nlm.nih.gov
Simple Summary In the era of targeted therapies, achieving a maximal safe resection still
remains a critical prognosis factor in diffuse low-grade gliomas and represents the goal to …

Towards machine learning-based quantitative hyperspectral image guidance for brain tumor resection

D Black, D Byrne, A Walke, S Liu, A Di Ieva… - Communications …, 2024‏ - nature.com
Background Complete resection of malignant gliomas is hampered by the difficulty in
distinguishing tumor cells at the infiltration zone. Fluorescence guidance with 5-ALA assists …

Spectral complexity of 5-ALA induced PpIX fluorescence in guided surgery: a clinical study towards the discrimination of healthy tissue and margin boundaries in high …

L Alston, L Mahieu-Williame, M Hebert… - Biomedical optics …, 2019‏ - opg.optica.org
Gliomas are diffuse and hard to cure brain tumors. A major reason for their aggressive
behavior is their property to infiltrate the brain. The gross appearance of the infiltrative …

Characterization of autofluorescence and quantitative protoporphyrin IX biomarkers for optical spectroscopy-guided glioma surgery

D Black, S Kaneko, A Walke, S König, W Stummer… - Scientific Reports, 2021‏ - nature.com
Aminolevulinic acid (5-ALA)-mediated fluorescence does not effectively depict low grade
gliomas (LGG) or the infiltrative tumor portion of high-grade gliomas (HGG). While …

Challenges in, and recommendations for, hyperspectral imaging in ex vivo malignant glioma biopsy measurements

A Walke, D Black, PA Valdes, W Stummer, S König… - Scientific reports, 2023‏ - nature.com
The visualization of protoporphyrin IX (PPIX) fluorescence with the help of surgical
microscopes during 5-aminolevulinic acid-mediated fluorescence-guided resection (FGR) of …

5-ALA induced PpIX fluorescence spectroscopy in neurosurgery: a review

A Gautheron, JD Bernstock, T Picart… - Frontiers in …, 2024‏ - frontiersin.org
The review begins with an overview of the fundamental principles/physics underlying light,
fluorescence, and other light-matter interactions in biological tissues. It then focuses on 5 …

5-Aminolevulinic acid-induced porphyrin contents in various brain tumors: implications regarding imaging device design and their validation

ES Molina, S Kaneko, D Black, W Stummer - Neurosurgery, 2021‏ - journals.lww.com
BACKGROUND Fluorescence-guided resections using 5-aminolevulinic acid (5-ALA)-
induced tumor porphyrins have been established as an adjunct for malignant glioma surgery …

Machine learning-based prediction of glioma margin from 5-ALA induced PpIX fluorescence spectroscopy

P Leclerc, C Ray, L Mahieu-Williame, L Alston… - Scientific reports, 2020‏ - nature.com
Gliomas are infiltrative brain tumors with a margin difficult to identify. 5-ALA induced PpIX
fluorescence measurements are a clinical standard, but expert-based classification models …

Unraveling the blue shift in porphyrin fluorescence in glioma: The 620 nm peak and its potential significance in tumor biology

E Suero Molina, D Black, A Walke, G Azemi… - Frontiers in …, 2023‏ - frontiersin.org
In glioma surgery, the low-density infiltration zone of tumors is difficult to detect by any
means. While, for instance, 5-aminolevulinic acid (5-ALA)-induced fluorescence is a well …

An explicit estimated baseline model for robust estimation of fluorophores using multiple-wavelength excitation fluorescence spectroscopy

A Gautheron, M Sdika, M Hébert… - IEEE Transactions on …, 2023‏ - ieeexplore.ieee.org
Spectroscopy is a popular technique for identifying and quantifying fluorophores in
fluorescent materials. However, quantifying the fluorophore of interest can be challenging …