Detection of human brain tumor infiltration with multimodal multiscale optical analysis

Fanny Poulon; Camille Metais; Frederic Jamme; Marc Zanello; Pascale Varlet; Bertrand Devaux; Matthieu Refregiers; Darine Abi Haidar

doi:10.1117/12.2249667

14 February 2017 Detection of human brain tumor infiltration with multimodal multiscale optical analysis

Fanny Poulon, Camille Metais, Frederic Jamme, Marc Zanello, Pascale Varlet, Bertrand Devaux, Matthieu Refregiers, Darine Abi Haidar

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Proceedings Volume 10054, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XV; 100540I (2017) https://doi.org/10.1117/12.2249667
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

Brain tumor surgeries are facing major challenges to improve patients’ quality of life. The extent of resection while preserving surrounding eloquent brain areas is necessary to equilibrate the onco-functional. A tool able to increase the accuracy of tissue analysis and to deliver an immediate diagnostic on tumor, could drastically improve actual surgeries and patient survival rates. To achieve such performances a complete optical study, ranging from ultraviolet to infrared, of biopsies has been started by our group. Four different contrasts were used: 1) spectral analysis covering the DUV to IR range, 2) two photon fluorescence lifetime imaging and one photon time domain measurement, 3) second harmonic generation imaging and 4) fluorescence imaging using DUV to IR, one and two photon excitation. All these measurements were done on the endogenous fluorescence of tissues to avoid any bias and further clinical complication due to the introduction of external markers. The different modalities are then crossed to build a matrix of criteria to discriminate tumorous tissues. The results of multimodal optical analysis on human biopsies were compared to the gold standard histopathology.

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Fanny Poulon, Camille Metais, Frederic Jamme, Marc Zanello, Pascale Varlet, Bertrand Devaux, Matthieu Refregiers, and Darine Abi Haidar "Detection of human brain tumor infiltration with multimodal multiscale optical analysis", Proc. SPIE 10054, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XV, 100540I (14 February 2017); https://doi.org/10.1117/12.2249667

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